Product Description
Heavy Insdustry Torsionally Rigid Coupling Hydraulic Transmission Laminated Membrane Steel Shaft Diaphragm Film Disc Coupling
Metal flex couplings are disc type couplings in which several flexible metallic elements are alternately attached with bolts to opposite flanges. As polymeric elastomer is replaced by metal disc, Metal Flex coupling provides excellent temperature capability without sacrificing angular and axial misalignment. The coupling provides low axial and bending stiffness while possessing high torsional rigidity. The stretched shim pack design of CHINAMFG Metal Flex couplings provides zero backlash. CHINAMFG Metal Flex couplings are available up to 13367 Nm torque with single shim pack (UMK) and double shim pack (UMS) series.
FEATURES
1.Power to weight ratio high
2.Accommodates angular and axial misalignments
3.High temperature application
4.Visual inspection is possible without dismantling equipments
5.Low axial stiffness with high torsional rigidity
6.High-speed capacity
7.Range up to 12000 Nm
8.Added advantage of stretch fitted shim pack
Material Available |
Stainless Steel:SS201,SS301, SS303, SS304, SS316, SS416 etc. |
CNC Turning |
φ0.5 – φ300 * 750 mm,+/-0.005 mm |
CNC Milling |
510 * 1571 * 500 mm(max),+/-0.001 mm-+/-0.005 mm |
Surface Finish |
Aluminum:Clear Anodized,Color Anodized,Sandblast Anodized,Chemical Film,Brushing,Polishing,Chroming. |
Drawing Format |
IGS,STP,X_T ,DXF,DWG , Pro/E, PDF |
Test Equipment |
Measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc. |
Production workshop:
Manufacturer of Couplings, Fluid Coupling, JAW Coupling, can interchange and replacement of lovejoy coupling and so on.
A coupling can interchange and replacement of lovejoy coupling is a device used to connect 2 shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join 2 pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects. Couplings do not normally allow disconnection of shafts during operation, however there are torque limiting couplings which can slip or disconnect when some torque limit is exceeded. Selection, installation and maintenance of couplings can lead to reduced maintenance time and maintenance cost.
Company information:
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can rigid shaft couplings operate in high-temperature or corrosive environments?
Rigid shaft couplings can be designed and manufactured using materials that are suitable for high-temperature or corrosive environments. Common materials used for such applications include stainless steel, nickel alloys, and other corrosion-resistant materials. These materials can withstand elevated temperatures and resist the effects of corrosive substances. When selecting a rigid shaft coupling for high-temperature or corrosive environments, it is essential to consider factors such as the operating temperature range, the specific corrosive substances present, and the overall environmental conditions. Additionally, proper lubrication and maintenance are crucial to ensuring the longevity and optimal performance of rigid couplings in these demanding environments. It is essential to consult with coupling manufacturers or suppliers who specialize in providing solutions for high-temperature or corrosive applications. They can help identify the appropriate materials and designs that will meet the specific requirements of the intended environment.
What are the maintenance requirements for rigid shaft couplings to extend their lifespan?
Rigid shaft couplings are mechanical components used to connect two shafts and transmit torque between them. While rigid couplings are known for their durability and minimal maintenance needs, proper care and maintenance can further extend their lifespan and ensure optimal performance. Here are key maintenance considerations:
- Lubrication: Some rigid couplings, especially those with moving parts like set screws, may require periodic lubrication to reduce friction and wear. Use appropriate lubricants as recommended by the manufacturer.
- Visual Inspection: Regularly inspect the coupling for signs of wear, corrosion, or damage. Look for cracks, dents, or any other abnormalities that could affect its performance. Address any issues promptly.
- Tightening Fasteners: If the rigid coupling is secured using fasteners such as set screws or bolts, ensure they are tightened to the manufacturer’s specifications. Loose fasteners can lead to misalignment and reduced coupling effectiveness.
- Alignment Check: Periodically check the alignment of the connected shafts. Misalignment can lead to increased stress on the coupling and premature wear. Realign the shafts if necessary.
- Coupling Integrity: Make sure the coupling is securely fastened and properly seated on both shafts. Any looseness or improper fitting can lead to vibrations and wear.
- Cleanliness: Keep the coupling and surrounding area clean from dirt, debris, and contaminants. Foreign particles can lead to increased wear and reduced performance.
- Environmental Factors: Consider the operating environment. If the coupling is exposed to harsh conditions, such as extreme temperatures or corrosive substances, take appropriate measures to protect the coupling’s surfaces and materials.
- Replacement of Worn Parts: If any components of the coupling show significant wear or damage, consider replacing them as per the manufacturer’s recommendations. This can prevent further issues and maintain coupling integrity.
- Manufacturer Guidelines: Always follow the maintenance recommendations provided by the coupling manufacturer. They can provide specific guidelines based on the coupling’s design and materials.
Proper maintenance practices not only extend the lifespan of rigid shaft couplings but also contribute to the overall reliability and efficiency of the connected machinery. Regular inspections and maintenance can help identify potential issues early, preventing costly downtime and repairs.
It’s important to note that maintenance requirements can vary based on the specific design and material of the rigid coupling. Consulting the manufacturer’s documentation and seeking professional advice can help establish a suitable maintenance schedule tailored to the coupling’s characteristics and the application’s demands.
What is a Rigid Shaft Coupling and How Does It Work in Mechanical Systems?
A rigid shaft coupling is a type of coupling used to connect two shafts together in a mechanical system. As the name suggests, it is designed to provide a rigid and solid connection between the shafts, without any flexibility or misalignment compensation.
The primary function of a rigid shaft coupling is to transmit torque from one shaft to another efficiently and with minimal backlash. It achieves this by directly connecting the two shafts using a rigid mechanical interface.
Rigid shaft couplings typically consist of two halves with flanges that are bolted or clamped together around the shaft ends. The flanges are precision machined to ensure accurate alignment of the shafts. Some common types of rigid shaft couplings include:
- Sleeve Couplings: These are the simplest type of rigid couplings and consist of a cylindrical sleeve with a bore that fits over the shaft ends. The two shafts are aligned and then secured together using screws or pins.
- Clamp or Split Couplings: These couplings have two halves that are split and bolted together around the shafts. The split design allows for easy installation and removal without the need to disassemble other components of the system.
- Flanged Couplings: Flanged couplings have two flanges with precision machined faces that are bolted together, providing a robust connection.
- Tapered Bushing Couplings: These couplings use a tapered bushing to lock the coupling onto the shafts, creating a secure and concentric connection.
Rigid shaft couplings are commonly used in applications where precise alignment is critical, such as in high-speed machinery, precision instruments, and power transmission systems. Since they do not have any flexibility, they are best suited for applications where shaft misalignment is minimal or can be controlled through accurate alignment during installation.
One of the main advantages of rigid shaft couplings is their ability to provide a direct and efficient transfer of torque, making them suitable for high-torque and high-speed applications. Additionally, their simple design and solid connection make them easy to install and maintain.
However, it’s essential to ensure proper alignment during installation to prevent premature wear and stress on the shafts and other components. In cases where misalignment is expected or unavoidable, flexible couplings like beam couplings, bellows couplings, or jaw couplings are more appropriate, as they can compensate for small misalignments and provide some degree of shock absorption.
editor by CX 2024-04-17
China high quality Nl Nylon Sleeve Internal Gear Coupling Nl8 Shaft Couplings Rigid Continous Sleeve and Double Engagement Gearing
Product Description
NL Nylon sleeve internal gear coupling NL8 shaft Couplings Rigid Continous sleeve and double engagement gearing
Product Description
1. Completely interchangeable with the original
2. Suitable for various mechanical engineering and hydraulic fields
3. Nylon and steel material match, maintenance-free
4. Can compensate axial, radial, and angular installation deviation
Product Parameters
SIZE | MOLD | TOOTH | TORQUE (H.) |
SPEED (r/min) |
MAIN SIZE | ||||||
SHAFT DIA (d1, d2) |
SHAFT LENGTH (L1,L2) |
L | D | H | D1 D2 | E | |||||
NL2 | 1.5/1 | 28/42 | 100 | 6000 | 9-22 | 20-45 | CUSTOMIZED | 55 | 40 | 36 | 4 |
NL3 | 1.5/1 | 34/25 | 160 | 6000 | 9-28 | 20-60 | 66 | 41 | 38-50 | 4 | |
NL4 | 1.5/2 | 45/32 | 250 | 6000 | 12-38 | 25-80 | 84 | 47 | 50-60 | 4 | |
NL5 | 2 | 38/36 | 315 | 5000 | 15-42 | 30-110 | 93 | 50 | 60-67 | 4 | |
NL6 | 2/2.5 | 40/32 | 400 | 5000 | 16-48 | 40-110 | 100 | 51 | 60-70 | 4 | |
NL7 | 2.5/2 | 36/45 | 630 | 3600 | 16-55 | 45-110 | 115 | 56 | 70-82 | 4 | |
NL8 | 2.5/3 | 36/45 | 1250 | 3600 | 20-65 | 50-140 | 140 | 70 | 85-95 | 4 | |
NL9 | 3 | 45/46 | 2000 | 2000 | 20-80 | 60-170 | 175 | 91 | 120 | 6 | |
NL10 | 4 | 44 | 3150 | 1800 | 38-100 | 70-210 | 220 | 105 | 157 | 8 |
Related Products
Company Profile
FAQ
Q: Can you make the coupling with customization?
A: Yes, we can customize per your request.
Q: Do you provide samples?
A: Yes. The sample is available for testing.
Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.
Q: What’s your lead time?
A: Standard products need 5-30 days, a bit longer for customized products.
Q: Do you provide technical support?
A: Yes. Our company has a design and development team, and we can provide technical support if you
need.
Q: How to ship to us?
A: It is available by air, sea, or by train.
Q: How to pay the money?
A: T/T and L/C are preferred, with different currencies, including USD, EUR, RMB, etc.
Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.
Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.
Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
What are the potential drawbacks or limitations of using rigid shaft couplings in certain applications?
Rigid shaft couplings, while offering benefits in certain scenarios, also have limitations that should be considered when selecting them for specific applications:
- Minimal Misalignment Compensation: Rigid couplings have limited ability to compensate for shaft misalignment, making them less suitable for applications with significant misalignment.
- Transmits Vibrations: Rigid couplings do not dampen vibrations, which can lead to increased wear and fatigue in connected components and decrease overall system lifespan.
- Higher Stress Concentration: Due to their rigid nature, these couplings can result in higher stress concentrations at the coupling ends, potentially leading to premature failure.
- Noisy Operation: Rigid couplings can amplify noise generated by connected equipment, contributing to a noisier operating environment.
- Requires Precise Alignment: Proper alignment during installation is crucial to prevent excessive loads on equipment and ensure reliable operation.
- Less Torsional Damping: Rigid couplings lack the torsional damping capabilities of some other coupling types, which may be necessary in systems with varying loads.
- Less Forgiving: Rigid couplings can transmit shocks and impacts directly to connected equipment, which may not be suitable for applications with frequent starts, stops, or heavy loads.
It’s important to carefully assess the specific requirements of an application and consider factors such as misalignment, vibration, torque transmission, and environmental conditions when deciding whether to use a rigid shaft coupling. In cases where the limitations of rigid couplings may pose challenges, other coupling types such as flexible, torsionally soft, or damping couplings could be more appropriate alternatives.
How do rigid shaft couplings compare to flexible couplings in terms of torque transmission and misalignment handling?
Rigid shaft couplings and flexible couplings differ in their ability to handle torque transmission and misalignment. Here’s a comparison of these aspects:
- Torque Transmission: Rigid shaft couplings offer excellent torque transmission due to their solid construction. They efficiently transmit high torque loads without significant power loss. Flexible couplings, on the other hand, may have some inherent power loss due to their flexibility.
- Misalignment Handling: Flexible couplings excel in compensating for misalignment between shafts. They can accommodate angular, parallel, and axial misalignments, reducing stress on connected equipment. Rigid couplings are limited in their misalignment compensation, primarily handling minimal misalignments. Significant misalignment can lead to increased wear and premature failure.
The choice between rigid and flexible couplings depends on the specific requirements of the application. If precise torque transmission and minimal misalignment are priorities, rigid couplings may be suitable. However, if misalignment compensation and vibration dampening are crucial, flexible couplings are a better option.
What is a Rigid Shaft Coupling and How Does It Work in Mechanical Systems?
A rigid shaft coupling is a type of coupling used to connect two shafts together in a mechanical system. As the name suggests, it is designed to provide a rigid and solid connection between the shafts, without any flexibility or misalignment compensation.
The primary function of a rigid shaft coupling is to transmit torque from one shaft to another efficiently and with minimal backlash. It achieves this by directly connecting the two shafts using a rigid mechanical interface.
Rigid shaft couplings typically consist of two halves with flanges that are bolted or clamped together around the shaft ends. The flanges are precision machined to ensure accurate alignment of the shafts. Some common types of rigid shaft couplings include:
- Sleeve Couplings: These are the simplest type of rigid couplings and consist of a cylindrical sleeve with a bore that fits over the shaft ends. The two shafts are aligned and then secured together using screws or pins.
- Clamp or Split Couplings: These couplings have two halves that are split and bolted together around the shafts. The split design allows for easy installation and removal without the need to disassemble other components of the system.
- Flanged Couplings: Flanged couplings have two flanges with precision machined faces that are bolted together, providing a robust connection.
- Tapered Bushing Couplings: These couplings use a tapered bushing to lock the coupling onto the shafts, creating a secure and concentric connection.
Rigid shaft couplings are commonly used in applications where precise alignment is critical, such as in high-speed machinery, precision instruments, and power transmission systems. Since they do not have any flexibility, they are best suited for applications where shaft misalignment is minimal or can be controlled through accurate alignment during installation.
One of the main advantages of rigid shaft couplings is their ability to provide a direct and efficient transfer of torque, making them suitable for high-torque and high-speed applications. Additionally, their simple design and solid connection make them easy to install and maintain.
However, it’s essential to ensure proper alignment during installation to prevent premature wear and stress on the shafts and other components. In cases where misalignment is expected or unavoidable, flexible couplings like beam couplings, bellows couplings, or jaw couplings are more appropriate, as they can compensate for small misalignments and provide some degree of shock absorption.
editor by CX 2024-04-16
China Hot selling Grooved Rigid Coupling Used in Fire Protection FM / UL Listed Epoxy Painting
Product Description
Features:
Code:XGQT01
Size: 1”-12”(DN25-DN300)
Material: Ductile iron ASTM A536, 65-45-12
Dimension: ISO6182,AWWA C606,GB 5135.11
Connection:ASME B36.10,ASTM A53-A53M,ISO 4200
Thread: If have ISO 7-1,BS 21,BSPT, NPT,ASME B1.20.1
Pressure Rating: 175PSI-500PSI
Surface Treatment: Red Painting,Epoxy Coating ,Hot-Dip Galvanized,Electroplated
Bolt & nut: ASTM A449/ CLASS 8.8/ ISO 898
Gasket: EPDM, Nitrile, Silicone rubber, etc.
Certificate: UL Listed / FM Approved
Application: Fire Protection,Waterworks,HVAC,Plumbing,GAS,Irrigation,or other piping systems
Nominal Size mm/in |
Pipe O.D mm/in |
Working Pressure PSI/MPa |
Bolt Size | Dimensions mm/in | ||
No.-Size mm | 0 | L | H | |||
25 1” |
33.7 1.327 |
500 3.45 |
2-M10x45 | 60 2.362 |
102 4.016 |
45 1.772 |
32 1 1/4” |
42.4 1.669 |
500 3.45 |
2-M10x45 | 70 2.756 |
106 4.173 |
44 1.732 |
40
1 1/2” |
48.3 1.900 |
500 3.45 |
2-M10x45 | 73 2.874 |
108 4.252 |
44 1.732 |
50 2” |
60.3 2.375 |
500 3.45 |
2-M10x55 | 87 3.425 |
123 4.843 |
44 1.732 |
65
2 1/2” |
73.0 2.875 |
500 3.45 |
2-M10x55 | 100 3.937 |
138 5.433 |
44 1.732 |
65 2 1/2” |
76.1 3.000 |
500 3.45 |
2-M10x55 | 103 4.055 |
142 5.591 |
45 1.772 |
80 3” |
88.9 3.500 |
500 3.45 |
2-M12x60 | 117 4.606 |
166 6.535 |
45 1.772 |
100 4” |
114.3 4.500 |
500 3.45 |
2-M12x65 | 139 5.472 |
190 7.480 |
49 1.929 |
125 5” |
139.7 5.500 |
400 2.75 |
2-M12x75 | 168 6.614 |
218 8.583 |
49 1.929 |
150 6” |
165.1 6.500 |
400 2.75 |
2-M12x75 | 193 7.598 |
241 9.488 |
49 1.929 |
150 6” |
168.3 6.625 |
400 2.75 |
2-M12x75 | 198.5 7.815 |
249 9.803 |
50 1.969 |
200 8” |
219.1 8.625 |
300 2.07 |
2-M16x85 | 253 9.961 |
320 12.598 |
59 2.323 |
250 10” |
273 10.748 |
300 2.07 |
2-M22x130 | 335 13.189 |
426 16.772 |
68 2.677 |
300 12” |
323.9 12.752 |
300 2.07 |
2-M22x130 | 380 14.96 |
470 18.504 |
65 2.559 |
Grooved fittings are a new type of steel pipe connection fittings, also called clamp connections, which have many advantages. The design specification for automatic sprinkler system proposes that the connection of system pipes should adopt grooved connectors or threaded, flanged connections; pipes with a diameter equal to or greater than 100mm in the system should use flanges or grooved connectors in sections connect.
Grooved fittings include 2 broad categories of products:The pipe fittings that play the role of connection and sealing include rigid joints, flexible joints, mechanical tees and grooved flanges; The pipe fittings that play the role of connection transition include elbows, tees, crosses, reducers, blind plates, etc.
The grooved connection pipe fittings used for connection and sealing are mainly composed of 3 parts: sealing rubber ring, clamp and locking bolt. The rubber sealing ring on the inner layer is placed on the outside of the pipe to be connected, and matches the pre-rolled groove, then buckle the clamp on the outside of the rubber ring, and then fasten it with 2 bolts. Due to the unique sealable structural design of the rubber sealing ring and the hoop, the grooved joint has good sealing performance, and the sealing performance is enhanced correspondingly with the increase of the fluid pressure in the pipe.
Quality Control:
Advanced equipment guarantee the production of high quality products.
Advantages of DISA moulding line:1. High quality precise casting less scrap and lower finishing costs. 2.High Production Efficiency(1)Fast production: 350 moulds per hour, pattern changing time cut down to 2-3 minutes
(2).higher profitability over a longer service life. 3. Safety and Environmental Friendly safe, easy and clean operation (CE and ISO 14001 compliant)
High-precision, hydraulicly driven mould transport,no shifting, distortion, ordisplacement of moulds.
The advantage of the sand supply system:The sand supply system is from the best class sand processing equipment manufacturers of China, with straight structure, easier maintenance, environmently friendly, high degree of automation, high safety factor, good parameters of sand stability.
Fluid Tech is honored as the National enterprise technical center and is capable and qualified to conduct full series of tests and inspections including chemical checking, etc. Inspection facilities include:spectrometer, carbon sulfur analyzer, metallurgical microscope, tensile strength testing equipment, pressure testing equipment, adhesive force testing equipment, CMM, hardness tester, etc.From incoming inspection to finished product, quality is checked a
nd monitored in the whole process. Each step of the manufacturing process is carefully documented, regularly reviewed for revision control and updatin
g standard. Quality procedures are constantly monitored and updated to assure that only the highestand most consistent quality products are supplied to our valued customers.
FAQ
1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons
2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.
3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.
4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally ZheJiang Port or HangZhou Port. We can transport the goods to designated warehouses, such as HangZhou, HangZhou, etc.
5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV
6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.
7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.
8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.
9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Couplings Handle Misalignment Between Shafts?
Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.
It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.
If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.
In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.
Factors to Consider When Choosing a Rigid Coupling for a Specific System
Choosing the right rigid coupling for a specific system is crucial to ensure proper functionality and reliable performance. Several factors should be considered when making this decision:
1. Shaft Size and Compatibility: The most fundamental factor is ensuring that the rigid coupling is compatible with the shaft sizes of the connected components. The coupling should have the appropriate bore size and keyway dimensions to fit securely onto the shafts.
2. Operating Torque: Consider the torque requirements of the application. The rigid coupling should have a torque rating that exceeds the maximum torque expected during operation to prevent failures and ensure safety.
3. Speed: Determine the rotational speed (RPM) of the connected shafts. Rigid couplings have maximum RPM limits, and the selected coupling should be capable of handling the system’s operating speed.
4. Misalignment Tolerance: Assess the potential misalignment between the shafts. Rigid couplings provide no flexibility, so the system must have minimal misalignment to prevent excessive forces on the components.
5. Temperature and Environment: Consider the operating temperature range and the environment where the coupling will be used. Ensure the chosen material can withstand the temperature and any corrosive or harsh conditions present.
6. Space Limitations: Evaluate the available space for the coupling. Rigid couplings have a compact design, but ensure that there is enough clearance for installation and maintenance.
7. Backlash and Torsional Stiffness: In some precision systems, backlash must be minimized to maintain accurate positioning. Additionally, the torsional stiffness of the coupling can impact system response and stability.
8. Keyway or Keyless Design: Decide between a coupling with a keyway or a keyless design based on the specific application requirements and ease of installation.
9. Material Selection: Consider the material properties of the rigid coupling. Common materials include steel, stainless steel, and aluminum, each with its own advantages and limitations.
10. Maintenance: Determine the maintenance requirements of the coupling. Some couplings may need periodic lubrication or inspections, while others may be maintenance-free.
11. Cost: While cost should not be the sole consideration, it is essential to evaluate the cost-effectiveness of the coupling, taking into account its performance and longevity.
By carefully considering these factors, you can select the most suitable rigid coupling for your specific system, ensuring optimal performance, and longevity of your mechanical setup.
Types of Rigid Coupling Designs:
There are several types of rigid coupling designs available, each designed to meet specific application requirements. Here are some common types of rigid couplings:
- 1. Sleeve Couplings: Sleeve couplings are the simplest type of rigid couplings. They consist of a cylindrical sleeve with a bore in the center that fits over the shaft ends. The coupling is secured in place using setscrews or keyways. Sleeve couplings provide a solid and rigid connection between shafts and are easy to install and remove.
- 2. Clamp or Split Couplings: Clamp couplings, also known as split couplings, are designed with two halves that fit around the shafts and are fastened together with bolts or screws. The split design allows for easy installation and removal without the need to disassemble other components in the system. These couplings are ideal for applications where the shafts cannot be easily moved.
- 3. Flanged Couplings: Flanged couplings have flanges on each end that are bolted together to form a rigid connection. The flanges add stability and strength to the coupling, making them suitable for heavy-duty applications. They are commonly used in industrial machinery and equipment.
- 4. Tapered Couplings: Tapered couplings have a tapered inner diameter that matches the taper of the shaft ends. When the coupling is tightened, it creates a frictional fit between the coupling and the shafts, providing a rigid connection. These couplings are often used in applications where high torque transmission is required.
- 5. Marine or Clampshell Couplings: Marine couplings, also known as clampshell couplings, consist of two halves that encase the shaft ends and are bolted together. These couplings are commonly used in marine applications, such as propeller shafts in boats and ships.
- 6. Diaphragm Couplings: Diaphragm couplings are a type of rigid coupling that provides some flexibility to accommodate misalignment while maintaining a nearly torsionally rigid connection. They consist of thin metal diaphragms that transmit torque while compensating for minor shaft misalignments.
The choice of rigid coupling design depends on factors such as shaft size, torque requirements, ease of installation, and the level of misalignment that needs to be accommodated. It is essential to select the appropriate coupling design based on the specific needs of the application to ensure optimal performance and reliability.
editor by CX 2024-04-16
China Best Sales CHINAMFG Gy Type Flange Rigid Coupling Transmission Connection Shaft Couplings
Product Description
GY Type Flange Coupling(GB/T5843-2003)
Product Description
♦Description
Flange Type Couplings are multi-piece mechanical couplings used to transmit torque and rotation between shafts in mechanical power transmission assemblies. Their design allows them to accommodate slight alignment changes that occur between connecting shafts, while also absorbing shock loads. Huading is a leading grid coupling manufacturer in China, a grid coupling supplier in China offering the latest and modern Grid Type Couplings.
Grid Coupling is widely used in metallurgy, mining, lifting, transportation, petroleum, chemical, ships, textile, light industry, agricultural machinery, printing machines and pumps, fans, compressors, machine tools and other mechanical equipment and industry shaft transmission.
♦Feature
1.The serpentine spring as the elastic element, the elastic strong at the same time, greatly improves the grid coupling torque, widely used in heavy machinery and general machinery.The serpentine spring special technology department, has long service life, allowing higher speed, has good ability to compensate in the axial, radial and angle
2.High transmission efficiency, start safety. Transmission efficiency of up to 99.47%, short-time overload capacity is 2 times the rated torque, operation safety.
3.Simple structure, convenient assembly and disassembly, long service life
4.Damping effect is good to avoid the resonance.
♦Basic Parameter and Main Dimension
Note:
N.m=Norminal Torque; r/min= Allowable speed of rotation;d=Diameter of shaft hole ;
Y L=Length of shaft hole; kg.m²=Rotational inertia; kg= Mass
The weight and rotation are calculated according to the combination type and minimum diameter of the Y/J shaft hole of GY type coupling.
Other products
Transmission Machinery Parts Name |
Model |
Universal Coupling | WS,WSD,WSP |
Cardan Shaft | SWC,SWP,SWZ |
Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
High Flexible Coupling | LM |
Chain Coupling | GL |
Jaw Coupling | LT |
Grid Coupling | JS |
Company Profile
Our company supplies different kinds of transmission products, such as cardan shaft, gear coupling, grid coupling and so on. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.
Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.
Our service
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Shaft Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?
Yes, rigid shaft couplings are designed to accommodate different shaft sizes and are capable of handling high torque loads. One of the key advantages of rigid couplings is their ability to provide a solid and strong connection between two shafts.
Rigid shaft couplings come in various designs, such as one-piece and two-piece configurations. The one-piece couplings have a solid construction with no moving parts and are ideal for applications where precise alignment and torque transmission are essential.
The two-piece rigid couplings consist of two halves that are bolted together around the shafts, creating a tight and secure connection. These couplings allow for easier installation and removal without the need to move the connected shafts. They are commonly used in applications where frequent maintenance is required.
The design of rigid shaft couplings enables them to handle high torque loads efficiently. The solid and rigid construction allows for the direct transfer of torque from one shaft to another, minimizing power loss and ensuring precise torque transmission.
Moreover, rigid couplings can accommodate different shaft sizes by offering various bore diameters and keyway options. This adaptability allows users to connect shafts of different diameters without the need for additional modifications or couplings.
However, it is crucial to select the appropriate size and type of rigid coupling based on the specific application’s torque requirements and shaft sizes. Properly sized rigid couplings will ensure reliable and efficient power transmission while preventing issues such as misalignment, vibration, and premature wear.
How do rigid shaft couplings compare to flexible couplings in terms of torque transmission and misalignment handling?
Rigid shaft couplings and flexible couplings differ in their ability to handle torque transmission and misalignment. Here’s a comparison of these aspects:
- Torque Transmission: Rigid shaft couplings offer excellent torque transmission due to their solid construction. They efficiently transmit high torque loads without significant power loss. Flexible couplings, on the other hand, may have some inherent power loss due to their flexibility.
- Misalignment Handling: Flexible couplings excel in compensating for misalignment between shafts. They can accommodate angular, parallel, and axial misalignments, reducing stress on connected equipment. Rigid couplings are limited in their misalignment compensation, primarily handling minimal misalignments. Significant misalignment can lead to increased wear and premature failure.
The choice between rigid and flexible couplings depends on the specific requirements of the application. If precise torque transmission and minimal misalignment are priorities, rigid couplings may be suitable. However, if misalignment compensation and vibration dampening are crucial, flexible couplings are a better option.
Are There Different Types of Rigid Shaft Couplings Available, and What Are Their Specific Applications?
Yes, there are different types of rigid shaft couplings available, each with its own specific applications. Some common types of rigid shaft couplings include:
- Sleeve Couplings: Sleeve couplings are simple and cost-effective couplings that connect two shafts together using a solid sleeve or tube. They are commonly used in applications with moderate torque requirements and where shaft alignment can be maintained with high precision.
- Clamp or Split Couplings: Clamp or split couplings consist of two halves that are clamped together around the shafts using screws or bolts. They are easy to install and suitable for applications where frequent maintenance or disassembly is required.
- Flanged Couplings: Flanged couplings have flanges on both ends that are bolted together. They are used in applications where shafts need to be rigidly connected and where some degree of axial movement is expected.
- Tapered Shaft Couplings: Tapered shaft couplings have tapered bores that fit tightly onto tapered shafts, creating a friction-based connection. They are often used in applications where precise alignment and torque transmission are essential.
- Keyed Shaft Couplings: Keyed shaft couplings use a key and keyway arrangement to connect the shafts securely. They are commonly used in heavy-duty applications where high torque transmission is required.
The choice of rigid shaft coupling depends on the specific requirements of the application. Factors such as torque transmission, shaft size, alignment precision, ease of installation, and maintenance needs play a crucial role in selecting the appropriate coupling type.
Rigid shaft couplings are widely used in various industries, including manufacturing, power generation, robotics, aerospace, and automotive. They are often employed in applications such as pumps, compressors, conveyors, and high-precision machinery.
It is essential to consider the specific demands of the application and consult with coupling manufacturers or experts to determine the most suitable rigid coupling type for optimal performance and reliability.
editor by CX 2024-04-16
China manufacturer Rigid Shaft Coupling Magnetic Couple Motor Couplings
Product Description
Hot sale: low noise,no leakage, no additional cost for rigid shaft coupling magnetic couple motor couplings
Introduction of rigid shaft coupling magnetic couple motor couplings
Magnetic shaft coupling is a new kind of coupling, which connects motor and machine by permanent magnetic force.
They are consisted of external rotor, internal rotor and isolating covers.
They work in the sealed magnetic drive pumps, which transporting volatile, flammable, explosive and toxic solutions with no leakage.
These magnetic shaft couplings can be used to connect gear pumps , screw pumps, centrifugal pumps, etc. with all types of electric motor or gear box.
Magnetic shaft coupling are widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on.
Advantages of rigid shaft coupling magnetic couple motor couplings
» Elimination of fluid leakage from the pump shaft.
» Vibrations are not transmitted to the pump.
» No maintenance required for magnetic couplings.
» Using magnetic couplings allows use of standard pumps without expensive mechanical seals.
» No additional cost for purchasing mechanical seal spare parts and maintenance.
Technical drawing of rigid shaft coupling magnetic couple motor couplings
Specification of rigid shaft coupling magnetic couple motor couplings
Item | Internal Rotor(mm) | External Rotor(mm) | Isolating Covering(mm) | |||||||||||||||||
A | B | C | D | E | F | G | Shaft Pin | H | I | J | L | N | M | P | Q | R | S | T | U | |
GME03-3LM00 | Φ35 | – | Φ10 | 26 | – | 18 | – | M6X12 | Φ42 | Φ60 | Φ50 | 46 | 6-M4 | Φ40 | Φ50 | 4-Φ5.4 | Φ38 | Φ60 | 6 | 6 |
GME03-5MM00 | Φ42 | – | Φ12 | 27 | 4 | 18 | 13.8 | M6X16 | Φ49 | Φ72 | Φ60 | 46 | 4-Φ6.7 | Φ52 | Φ60 | 4-Φ6.7 | Φ44 | Φ74 | 8 | 8 |
GME03-16LM00 | Φ56 | – | Φ12 | 45 | 4 | 25 | 13.8 | M6X16 | Φ63 | Φ89 | Φ80 | 75 | 6-M5 | Φ70 | Φ75 | 4-Φ6.7 | Φ58 | Φ89 | 8 | 8 |
GME03-16LM01 | Φ56 | – | Φ12 | 45 | 4 | 25 | 13.8 | M6X16 | Φ63 | Φ89 | Φ80 | 75 | 4-M5 | Φ70 | Φ75 | 4-Φ6.7 | Φ58 | Φ89 | 6 | 10 |
GME03-16MM00 | Φ56 | – | Φ12 | 45 | 4 | 25 | 13.8 | M6X16 | Φ63 | Φ89 | Φ80 | 75 | 6-M5 | Φ70 | Φ75 | 4-Φ6.7 | Φ58 | Φ89 | 8 | 8 |
GME03-22LM00 | Φ88 | – | Φ20 | 29 | 6 | 25 | 22.8 | M8X20 | Φ97 | Φ122 | Φ110 | 70 | 8-M6 | Φ98 | Φ108 | 6-Φ6.7 | Φ91 | Φ122 | 8 | 8 |
GME03-30LM00 | Φ88 | – | Φ20 | 48 | 6 | 30 | 22.8 | M8X20 | Φ97 | Φ122 | Φ110 | 81 | 8-M6 | Φ98 | Φ108 | 6-Φ6.7 | Φ91 | Φ122 | 8 | 8 |
GME03-40LM00 | Φ101 | – | Φ25 | 49 | 8 | 28 | 28.3 | M10X20 | Φ109 | Φ140 | Φ124 | 83 | 8-M8 | Φ110 | Φ126 | 8-Φ6.7 | Φ103 | Φ140 | 12 | 6 |
GME03-50LM00 | Φ107 | – | Φ20 | 70 | 6 | 30 | 22.8 | M6X16 | Φ113.4 | Φ145 | Φ135 | 80 | 4-M6 | Φ126 | Φ133 | 12-Φ8.7 | Φ109 | Φ153 | 12 | 15 |
GME03-65LM00 | Φ101 | – | Φ25 | 77 | 8 | 45 | 28.3 | M10X20 | Φ109 | Φ140 | Φ124 | 111 | 8-M8 | Φ110 | Φ126 | 8-Φ6.7 | Φ103 | Φ140 | 12 | 6 |
GME03-80LM00 | Φ106 | – | Φ32 | 65 | 10 | 21 | 36.5 | M6X25 | Φ115 | Φ145 | Φ135 | 82 | 4-M6 | Φ127 | Φ135 | 6-Φ8.7 | Φ110 | Φ153 | 13 | 18 |
GME03-80LM00 | Φ141 | Φ92 | Φ40 | 65 | 12 | 45 | 43.3 | M12X25 | Φ152 | Φ180 | Φ168 | 100 | 8-M8 | Φ154 | Φ164 | 8-Φ6.7 | Φ145 | Φ180 | 12 | 8 |
GME03-100LM00 | Φ131 | Φ82 | Φ32 | 80 | 10 | 24.5 | 35.3 | M8X35 | Φ139 | Φ170 | Φ160 | 100 | 4-M6 | Φ152 | Φ158 | 8-Φ8.7 | Φ133 | Φ178 | 14 | 21 |
GME03-110LH00 | Φ141 | Φ92 | Φ40 | 85 | 10 | 50 | 43.3 | M12X25 | Φ152 | Φ184 | Φ168 | 115 | 12-M8 | Φ156 | Φ164 | 12-Φ6.7 | Φ145 | Φ180 | 12 | 3 |
GME03-110LM00 | Φ141 | Φ92 | Φ35 | 80 | 10 | 55 | 38.3 | M12X25 | Φ152 | Φ180 | Φ168 | 115 | 12-M8 | Φ154 | Φ164 | 12-Φ6.7 | Φ145 | Φ180 | 12 | 3 |
GME03-140LM00 | Φ141 | Φ92 | Φ40 | 110 | 12 | 80 | 43.3 | M12X25 | Φ152 | Φ190 | Φ170 | 145 | 12-M10 | Φ154 | Φ164 | 12-Φ6.7 | Φ145 | Φ180 | 12 | 3 |
GME03-180LM00 | Φ141 | Φ92 | Φ40 | 140 | 12 | 95 | 43.3 | M12X25 | Φ152 | Φ190 | Φ170 | 175 | 12-M10 | Φ154 | Φ164 | 12-Φ6.7 | Φ145 | Φ180 | 12 | 3 |
GME03-220LM00 | Φ141 | Φ92 | Φ48 | 160 | 14 | 110 | 51.8 | M12X25 | Φ152 | Φ190 | Φ170 | 195 | 12-M10 | Φ154 | Φ164 | 12-Φ6.7 | Φ145 | Φ180 | 12 | 3 |
GME03-300LM00 | Φ162 | – | Φ65 | 100 | 18 | 60 | 69.4 | Φ170 | Φ198 | Φ188 | 123 | 12-M6 | Φ180 | Φ192 | 12-Φ11 | Φ163.5 | Φ218 | 16 | 10 | |
GME03-400LH00 | Φ195 | – | Φ70 | 127 | 20 | 107 | 79.9 | M12X25 | Φ203 | Φ234 | Φ222 | 152 | 6-M6 | Φ212 | Φ164 | 12-Φ11 | Φ198 | Φ278 | 16 | 22 |
Application of rigid shaft coupling magnetic couple motor couplings
The ability to hermetically separate 2 areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross contamination is essential. For instance: hydraulic sectors, dosing systems, compressors, sterilizers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators and mixers.
Operation principles of rigid shaft coupling magnetic couple motor couplings
The magnetic coupling works by using the power generated by permanent magnets. No external power supply is needed. These are permanent magnets not electro magnets.
Packing Method of rigid shaft coupling magnetic couple motor couplings
Double strength corrugated Carton and Wood case Sea Packing.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can rigid shaft couplings operate in high-temperature or corrosive environments?
Rigid shaft couplings can be designed and manufactured using materials that are suitable for high-temperature or corrosive environments. Common materials used for such applications include stainless steel, nickel alloys, and other corrosion-resistant materials. These materials can withstand elevated temperatures and resist the effects of corrosive substances. When selecting a rigid shaft coupling for high-temperature or corrosive environments, it is essential to consider factors such as the operating temperature range, the specific corrosive substances present, and the overall environmental conditions. Additionally, proper lubrication and maintenance are crucial to ensuring the longevity and optimal performance of rigid couplings in these demanding environments. It is essential to consult with coupling manufacturers or suppliers who specialize in providing solutions for high-temperature or corrosive applications. They can help identify the appropriate materials and designs that will meet the specific requirements of the intended environment.
What are the maintenance requirements for rigid shaft couplings to extend their lifespan?
Rigid shaft couplings are mechanical components used to connect two shafts and transmit torque between them. While rigid couplings are known for their durability and minimal maintenance needs, proper care and maintenance can further extend their lifespan and ensure optimal performance. Here are key maintenance considerations:
- Lubrication: Some rigid couplings, especially those with moving parts like set screws, may require periodic lubrication to reduce friction and wear. Use appropriate lubricants as recommended by the manufacturer.
- Visual Inspection: Regularly inspect the coupling for signs of wear, corrosion, or damage. Look for cracks, dents, or any other abnormalities that could affect its performance. Address any issues promptly.
- Tightening Fasteners: If the rigid coupling is secured using fasteners such as set screws or bolts, ensure they are tightened to the manufacturer’s specifications. Loose fasteners can lead to misalignment and reduced coupling effectiveness.
- Alignment Check: Periodically check the alignment of the connected shafts. Misalignment can lead to increased stress on the coupling and premature wear. Realign the shafts if necessary.
- Coupling Integrity: Make sure the coupling is securely fastened and properly seated on both shafts. Any looseness or improper fitting can lead to vibrations and wear.
- Cleanliness: Keep the coupling and surrounding area clean from dirt, debris, and contaminants. Foreign particles can lead to increased wear and reduced performance.
- Environmental Factors: Consider the operating environment. If the coupling is exposed to harsh conditions, such as extreme temperatures or corrosive substances, take appropriate measures to protect the coupling’s surfaces and materials.
- Replacement of Worn Parts: If any components of the coupling show significant wear or damage, consider replacing them as per the manufacturer’s recommendations. This can prevent further issues and maintain coupling integrity.
- Manufacturer Guidelines: Always follow the maintenance recommendations provided by the coupling manufacturer. They can provide specific guidelines based on the coupling’s design and materials.
Proper maintenance practices not only extend the lifespan of rigid shaft couplings but also contribute to the overall reliability and efficiency of the connected machinery. Regular inspections and maintenance can help identify potential issues early, preventing costly downtime and repairs.
It’s important to note that maintenance requirements can vary based on the specific design and material of the rigid coupling. Consulting the manufacturer’s documentation and seeking professional advice can help establish a suitable maintenance schedule tailored to the coupling’s characteristics and the application’s demands.
How Rigid Shaft Couplings Ensure Precise and Torque-Resistant Shaft Connections
Rigid shaft couplings are designed to provide a solid and inflexible connection between two shafts, ensuring precise alignment and efficient torque transmission. The key features that enable rigid couplings to achieve this include:
- One-Piece Construction: Rigid shaft couplings are typically made from a single piece of material, often metal, without any moving parts or flexible elements. This one-piece construction eliminates the risk of component failure and ensures a stable connection between the shafts.
- Accurate Machining: Rigid couplings undergo precise machining processes to achieve tight tolerances and accurate dimensions. This precision machining ensures that the coupling fits perfectly onto the shafts without any gaps or misalignments.
- High-Quality Materials: Rigid couplings are commonly manufactured from materials such as steel or aluminum, which offer excellent strength and durability. These high-quality materials contribute to the coupling’s ability to handle high torque loads without deformation or wear.
- Keyways and Set Screws: Many rigid shaft couplings feature keyways and set screws for additional security. Keyways are slots on the coupling and shafts that allow the transmission of torque without slippage. Set screws, when tightened against the shafts, create a firm grip, preventing axial movement and enhancing torque resistance.
- Clamping Force: Rigid couplings rely on a clamping force to hold the shafts firmly together. When the coupling is fastened around the shafts, the clamping force creates a strong bond between the coupling and shafts, minimizing any relative movement.
By combining these design elements, rigid shaft couplings ensure that the connected shafts remain in perfect alignment during operation. This precise alignment reduces the risk of misalignment-related issues such as vibrations, premature wear, and decreased efficiency. Additionally, the rigid nature of these couplings allows them to transmit torque without any backlash, providing immediate and accurate responsiveness to changes in torque and rotational direction.
Overall, rigid shaft couplings are an excellent choice for applications that demand precise shaft connections and reliable torque transmission. However, it’s essential to consider factors such as shaft alignment, load capacity, and environmental conditions when selecting the appropriate coupling for a specific application.
“`
editor by CX 2024-04-15
China high quality Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.
Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc
Coupling performance
1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.
How to select the appropriate coupling type
The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.
If you cannot determine the type, you can contact our professional engineer
Related products
Company Profile
Our Equipments
Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.
Machining equipments
Heat equipment
Our Factory
Application – Photos from our partner customers
Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Shaft Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?
Yes, rigid shaft couplings are designed to accommodate different shaft sizes and are capable of handling high torque loads. One of the key advantages of rigid couplings is their ability to provide a solid and strong connection between two shafts.
Rigid shaft couplings come in various designs, such as one-piece and two-piece configurations. The one-piece couplings have a solid construction with no moving parts and are ideal for applications where precise alignment and torque transmission are essential.
The two-piece rigid couplings consist of two halves that are bolted together around the shafts, creating a tight and secure connection. These couplings allow for easier installation and removal without the need to move the connected shafts. They are commonly used in applications where frequent maintenance is required.
The design of rigid shaft couplings enables them to handle high torque loads efficiently. The solid and rigid construction allows for the direct transfer of torque from one shaft to another, minimizing power loss and ensuring precise torque transmission.
Moreover, rigid couplings can accommodate different shaft sizes by offering various bore diameters and keyway options. This adaptability allows users to connect shafts of different diameters without the need for additional modifications or couplings.
However, it is crucial to select the appropriate size and type of rigid coupling based on the specific application’s torque requirements and shaft sizes. Properly sized rigid couplings will ensure reliable and efficient power transmission while preventing issues such as misalignment, vibration, and premature wear.
Can rigid shaft couplings be used for shafts with different rotational speeds and directions?
Rigid shaft couplings are typically designed for applications where the connected shafts have the same rotational speed and direction. They are not well-suited for scenarios involving significant speed differences or reverse rotation between shafts. The limitations arise from the coupling’s rigid construction, which does not allow for the compensation of speed differentials or changes in direction.
When shafts have different rotational speeds or need to rotate in opposite directions, it can result in uneven loading, increased wear, vibrations, and even coupling failure. Rigid couplings lack the flexibility required to accommodate the variations in speed and direction, which can lead to undesirable consequences in the system.
If your application involves shafts with varying speeds or reverse rotation, it’s recommended to explore flexible coupling options. Flexible couplings, such as gear couplings, elastomeric couplings, or universal joints, are designed to handle these situations by providing a degree of angular and radial flexibility. These couplings can help distribute the loads more evenly, reduce vibrations, and compensate for speed differences, ultimately contributing to smoother and more reliable operation.
It’s essential to accurately assess the requirements of your application and choose the appropriate coupling type based on the specific operational conditions. If there are varying speeds or reverse rotation involved, opting for flexible couplings designed for such scenarios will help ensure the longevity, efficiency, and performance of your machinery.
How Rigid Shaft Couplings Ensure Precise and Torque-Resistant Shaft Connections
Rigid shaft couplings are designed to provide a solid and inflexible connection between two shafts, ensuring precise alignment and efficient torque transmission. The key features that enable rigid couplings to achieve this include:
- One-Piece Construction: Rigid shaft couplings are typically made from a single piece of material, often metal, without any moving parts or flexible elements. This one-piece construction eliminates the risk of component failure and ensures a stable connection between the shafts.
- Accurate Machining: Rigid couplings undergo precise machining processes to achieve tight tolerances and accurate dimensions. This precision machining ensures that the coupling fits perfectly onto the shafts without any gaps or misalignments.
- High-Quality Materials: Rigid couplings are commonly manufactured from materials such as steel or aluminum, which offer excellent strength and durability. These high-quality materials contribute to the coupling’s ability to handle high torque loads without deformation or wear.
- Keyways and Set Screws: Many rigid shaft couplings feature keyways and set screws for additional security. Keyways are slots on the coupling and shafts that allow the transmission of torque without slippage. Set screws, when tightened against the shafts, create a firm grip, preventing axial movement and enhancing torque resistance.
- Clamping Force: Rigid couplings rely on a clamping force to hold the shafts firmly together. When the coupling is fastened around the shafts, the clamping force creates a strong bond between the coupling and shafts, minimizing any relative movement.
By combining these design elements, rigid shaft couplings ensure that the connected shafts remain in perfect alignment during operation. This precise alignment reduces the risk of misalignment-related issues such as vibrations, premature wear, and decreased efficiency. Additionally, the rigid nature of these couplings allows them to transmit torque without any backlash, providing immediate and accurate responsiveness to changes in torque and rotational direction.
Overall, rigid shaft couplings are an excellent choice for applications that demand precise shaft connections and reliable torque transmission. However, it’s essential to consider factors such as shaft alignment, load capacity, and environmental conditions when selecting the appropriate coupling for a specific application.
“`
editor by CX 2024-04-15
China OEM Union Rigida IMC Rmc PARA Tuberia IMC De 20mm IMC Rigid Galvanized Coupling
Product Description
Union rigida imc rmc para tuberia imc de 20mm imc rigid galvanized coupling
Description:
Union rigida imc rmc para tuberia imc de 20mm imc rigid galvanized coupling
Standards: IEC61386
Finish: Galvanized/HDG
Material: Galvanized Steel
Usage: for imc /rigid conduit(RMC) connection
Package: carton
Delivery time: 20 to 30 days
Place of CHINAMFG : China
Size: 1/2″-4″20MM-50MM
Brand : RIFI
Field Names: Rigid couplings, threaded rigid couplings, heavy wall couplings, threaded heavy wall couplings, rigid couplers, heavy wall couplers, threaded couplers , union imc.
Specifications:
Union rigida imc rmc para tuberia imc de 20mm imc rigid galvanized coupling
IIC20 |
1/2″ |
IIC25 |
3/4″ |
IIC32 |
1″ |
IIC40 |
1-1/4″ |
IIC50 |
1-1/2″ |
Application
Union rigida imc rmc para tuberia imc de 20mm imc rigid galvanized coupling
These Union rigida imc rmc para tuberia imc de 20mm imc rigid galvanized coupling are used to join 2 ends of threaded rigid conduits or IMC conduits together. They can also be used with CHINAMFG nipples and connectors to CHINAMFG threaded conduits to electrical junction boxes or enclosures.
Our service
1) Excellent Quality: The stable supply of materials we used is good quality, and we pay more attention and strictly treat the quality from production and package.
2) Customized Service: We can customize the size and engraving service of the product according to the customer’s needs.
3) Offering Best Price: We have professional factory, so our cost is low than others and you can get a favorable price from us.
4) Convenience For Purchasing: Customers can find conduit and all the related fittings here, and can get all the goods you need in a short time. Like set screw coupling/compression connectors/ strut clamps and so on.
FAQ
Q1: Are you a trading company or manufacturing company?
A: Both we are, we have 2 production bases and about 10 sourcing factory to meet customer whole line items demand .
Q2:When can I get the quotation?
A1:For regular items within 24 hours; For sprcial items or customize items need a little more time .
Q3: How can I request product samples?
A: The samples are free but courier charge will be collected. Please send us samples list and courier account number.
Q4: How can I request a product catalog?
A: Pls send us your email and we will send you our e catalog ( pdf file ).
The PDF catalog we can send to you by email or WeTransfer.
Q5: What is your payment terms?
A:Normally 30% T/T deposit,balance against B/L copy;
the other is irrevocable L/C 100% at sight.
Q6: How about the delivery time?
A: Accord to your order list and quantity,mostly delivery in 30days.
Q7: How do we control the products’ quality?
A: 1. high quality mold
2. raw materials control
3. production process quality control
4. final inspection
5. water testing (no leaking)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Couplings Handle Misalignment Between Shafts?
Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.
It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.
If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.
In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.
Factors to Consider When Choosing a Rigid Coupling for a Specific System
Choosing the right rigid coupling for a specific system is crucial to ensure proper functionality and reliable performance. Several factors should be considered when making this decision:
1. Shaft Size and Compatibility: The most fundamental factor is ensuring that the rigid coupling is compatible with the shaft sizes of the connected components. The coupling should have the appropriate bore size and keyway dimensions to fit securely onto the shafts.
2. Operating Torque: Consider the torque requirements of the application. The rigid coupling should have a torque rating that exceeds the maximum torque expected during operation to prevent failures and ensure safety.
3. Speed: Determine the rotational speed (RPM) of the connected shafts. Rigid couplings have maximum RPM limits, and the selected coupling should be capable of handling the system’s operating speed.
4. Misalignment Tolerance: Assess the potential misalignment between the shafts. Rigid couplings provide no flexibility, so the system must have minimal misalignment to prevent excessive forces on the components.
5. Temperature and Environment: Consider the operating temperature range and the environment where the coupling will be used. Ensure the chosen material can withstand the temperature and any corrosive or harsh conditions present.
6. Space Limitations: Evaluate the available space for the coupling. Rigid couplings have a compact design, but ensure that there is enough clearance for installation and maintenance.
7. Backlash and Torsional Stiffness: In some precision systems, backlash must be minimized to maintain accurate positioning. Additionally, the torsional stiffness of the coupling can impact system response and stability.
8. Keyway or Keyless Design: Decide between a coupling with a keyway or a keyless design based on the specific application requirements and ease of installation.
9. Material Selection: Consider the material properties of the rigid coupling. Common materials include steel, stainless steel, and aluminum, each with its own advantages and limitations.
10. Maintenance: Determine the maintenance requirements of the coupling. Some couplings may need periodic lubrication or inspections, while others may be maintenance-free.
11. Cost: While cost should not be the sole consideration, it is essential to evaluate the cost-effectiveness of the coupling, taking into account its performance and longevity.
By carefully considering these factors, you can select the most suitable rigid coupling for your specific system, ensuring optimal performance, and longevity of your mechanical setup.
What is a Rigid Coupling and How Does it Work?
A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.
Structure and Design:
Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.
Working Principle:
The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.
Applications:
Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:
- High-precision machinery and equipment
- Robotics and automation systems
- Precision motion control systems
- Machine tools
- Shaft-driven pumps and compressors
Advantages:
The key advantages of using rigid couplings include:
- High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
- Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
- Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
- Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.
Limitations:
Despite their advantages, rigid couplings have certain limitations:
- No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
- Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
- Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.
In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.
editor by CX 2024-04-15
China wholesaler High Rigid Shaft Stainless Steel Bellow Flexible Coupling for Motors Spring
Product Description
Item No. | φD | L | L1 | L2 | M | Tighten the strength(N.m) |
SG7-6-40- | 40 | 55 | 19 | 24 | M3 | 3 |
SG7-6-55- | 55 | 65 | 22 | 31 | M4 | 6 |
SG7-6-65- | 65 | 76 | 27 | 37 | M5 | 8 |
SG7-6-82- | 82 | 88 | 32 | 41 | M6 | 10 |
SG7-6-90- | 90 | 88 | 32 | 41 | M6 | 12 |
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Item No. | Rated torque | Maximum Torque | Max Speed | Inertia Moment | N.m rad | RRO | Tilting Tolerance | End-play | Weight:(g) |
SG7-6-40- | 13N.m | 26N.m | 8000prm | 9×10-5kg.m² | 15×103N.m/rad | 0.15mm | 2c | 1mm | 231 |
SG7-6-55- | 28N.m | 56N.m | 6000prm | 2.9×10-4kg.m² | 28×103N.m/rad | 0.2mm | 2c | 1.5mm | 485 |
SG7-6-65- | 60N.m | 120N.m | 5000prm | 4.6×10-4kg.m² | 55×103N.m/rad | 0.25mm | 2c | 1.5mm | 787 |
SG7-6-82- | 150N.m | 300N.m | 4500prm | 1.1×10-3kg.m² | 110×103N.m/rad | 0.28mm | 2c | 1.5mm | 1512 |
SG7-6-90- | 200N.m | 400N.m | 4000prm | 2×10-3kg.m² | 140×103N.m/rad | 0.3mm | 2c | 1.5mm | 1800 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Shaft Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?
Yes, rigid shaft couplings are designed to accommodate different shaft sizes and are capable of handling high torque loads. One of the key advantages of rigid couplings is their ability to provide a solid and strong connection between two shafts.
Rigid shaft couplings come in various designs, such as one-piece and two-piece configurations. The one-piece couplings have a solid construction with no moving parts and are ideal for applications where precise alignment and torque transmission are essential.
The two-piece rigid couplings consist of two halves that are bolted together around the shafts, creating a tight and secure connection. These couplings allow for easier installation and removal without the need to move the connected shafts. They are commonly used in applications where frequent maintenance is required.
The design of rigid shaft couplings enables them to handle high torque loads efficiently. The solid and rigid construction allows for the direct transfer of torque from one shaft to another, minimizing power loss and ensuring precise torque transmission.
Moreover, rigid couplings can accommodate different shaft sizes by offering various bore diameters and keyway options. This adaptability allows users to connect shafts of different diameters without the need for additional modifications or couplings.
However, it is crucial to select the appropriate size and type of rigid coupling based on the specific application’s torque requirements and shaft sizes. Properly sized rigid couplings will ensure reliable and efficient power transmission while preventing issues such as misalignment, vibration, and premature wear.
How do rigid shaft couplings contribute to the overall efficiency of rotating machinery?
Rigid shaft couplings play a crucial role in enhancing the overall efficiency and performance of rotating machinery by ensuring precise torque transmission, accurate shaft alignment, and reduced power losses. Their contribution to efficiency can be understood through the following points:
- Accurate Torque Transmission: Rigid couplings provide a direct and efficient connection between two shafts, allowing torque to be transmitted without significant losses. Unlike flexible couplings that can absorb some energy through flexibility, rigid couplings minimize energy dissipation, leading to efficient power transfer.
- Minimized Misalignment: Proper alignment of shafts is essential for efficient operation. Rigid couplings maintain accurate shaft alignment, reducing friction, wear, and energy losses that can occur due to misaligned shafts.
- Reduced Vibrations: By preventing misalignment and maintaining shaft stability, rigid couplings help minimize vibrations. Reduced vibrations lead to smoother operation, less wear and tear, and a decrease in energy losses associated with friction and oscillations.
- Consistent Performance: Rigid couplings ensure consistent and reliable torque transmission throughout the machinery’s operation. This stability helps maintain optimal operating conditions and prevents sudden disruptions or fluctuations in performance.
- Enhanced System Integrity: A stable and secure connection between shafts provided by rigid couplings reduces the risk of equipment failures and breakdowns. This enhances the machinery’s overall reliability and uptime, contributing to improved efficiency.
- Minimized Power Losses: With their rigid construction, these couplings have minimal flexibility, reducing power losses associated with elastic deformation. As a result, more of the input power is effectively utilized for productive work.
- Reduced Maintenance Needs: Rigid couplings, when properly installed and maintained, experience fewer wear-related issues compared to flexible couplings. This translates to reduced downtime and maintenance requirements, further enhancing machinery efficiency.
Efficient rotating machinery is critical for various industries, as it leads to cost savings, improved productivity, and extended equipment lifespan. Rigid shaft couplings contribute significantly to achieving these goals by ensuring reliable torque transmission, stable operation, and minimized energy losses.
It’s important to note that while rigid couplings offer advantages in terms of efficiency, they might not be suitable for applications requiring flexibility to accommodate misalignment or shock absorption. Engineers should carefully consider the specific requirements of their machinery and select couplings that best align with the desired balance of efficiency, flexibility, and other operational needs.
What are the Materials Commonly Used to Manufacture Rigid Shaft Couplings, and How Do They Impact Performance?
Rigid shaft couplings are typically made from a variety of materials, and the choice of material can significantly impact the performance of the coupling in specific applications. Some common materials used in manufacturing rigid shaft couplings include:
- Steel: Steel is one of the most commonly used materials for rigid shaft couplings. It offers excellent strength and durability, making it suitable for high-torque and heavy-duty applications. Steel couplings can withstand significant stresses and provide reliable torque transmission.
- Stainless Steel: Stainless steel couplings offer the same benefits as regular steel couplings but with the added advantage of corrosion resistance. They are commonly used in applications where the coupling may be exposed to harsh environments or moisture.
- Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is essential, such as in aerospace and automotive industries.
- Brass: Brass couplings are known for their excellent machinability and corrosion resistance. They are commonly used in applications where electrical conductivity is required.
- Cast Iron: Cast iron couplings are robust and offer good resistance to wear and tear. They are commonly used in industrial machinery and equipment.
The choice of material depends on various factors, including the application’s operating conditions, such as torque requirements, temperature, and environmental conditions. For example, in high-torque applications, steel or stainless steel couplings are often preferred due to their high strength. On the other hand, aluminum couplings are favored in applications where weight reduction is critical.
It is essential to consider the specific needs of the application and the coupling’s material properties to ensure optimal performance, longevity, and reliability of the rigid shaft coupling.
editor by CX 2024-04-13
China Good quality 2 1/2 Inch Pipe Rigid Ductile Iron Grooved Coupling for Fire Fighting
Product Description
Product Description
Steel flexible joint is also called clamp, open expansion joint, steel flexible pipe joint. Steel flexible joint is a kind of pipe connection, reliable performance, easy to install products. At low pressure, by the elastic deformation of the sealing ring, to achieve the purpose of sealing; When the pressure increases, the medium acts on the sealing ring to play the role of self-sealing, and there is a gap between the pipe ends to compensate for the displacement and deflection of the pipe caused by thermal expansion and cold contraction.
The working temperature of the clamp joint is generally -30ºC-+130ºC. The medium property is weak acid, weak alkali and lubricating oil range can be applied. If beyond the above range can also provide our company with the nature of the medium parameters or optional parameters or optional specified rubber ring material. In addition to the connection function, the joint can also provide compensation, withstand axial force, provide Angle, reduce vibration wave, adapt to the change of foundation.
The advantages of clamp joint:
1 Clamp joint has good continuity, will not produce distortion, easy to achieve the ideal laying state.
2 Clamp pipe joint in a free state, do not bear the weight of the pipe, not subjected to external shear, especially DN200 pipe diameter, more must consider the weight of the pipe.
3. It is easy to keep the coaxial position when installing the clamp joint to ensure the uneven distribution of the radial clearance between the inner diameter of the pipe clamp and the outer diameter of the pipe. The rubber ring will be deformed under high pressure due to the large local clearance, which will affect the sealing effect and even destroy the rubber ring.
4. It is suitable for the application in the subsidence zone, which can reduce the Angle between the pipe segments caused by the subsidence of the support pier.
5 is conducive to pipeline maintenance. Turn the pipe, save labor and effort when changing the pipe.
Product Parameters
PN1.6/2.5/4.0/6.4MPa KRHD
DN(mm) | Dw(mm) | Allowable Angle Φ |
Installation length L (mm) |
Maximal length (mm) |
Fitting bolt d×L (mm) |
80 | 89 | 17.90 | 100 | 110 | M12*60 |
100 | 108 | 15.06 | 100 | 110 | M14*60 |
125 | 133 | 13.05 | 105 | 115 | M14*60 |
150 | 159 | 12.09 | 110 | 120 | M14*60 |
175 | 194 | 10.51 | 110 | 120 | M16*60 |
200 | 219 | 9.33 | 116 | 126 | M16*75 |
225 | 245 | 8.36 | 122 | 132 | M16*80 |
250 | 273 | 7.51 | 127 | 137 | M18*90 |
300 | 325 | 6.32 | 130 | 140 | M18*100 |
350 | 377 | 5.45 | 135 | 145 | M18*100 |
400 | 426 | 4.80 | 140 | 150 | M18*110 |
450 | 480 | 4.28 | 145 | 155 | M18*110 |
500 | 530 | 3.88 | 150 | 160 | M18*120 |
600 | 630 | 3.27 | 155 | 165 | M18*120 |
700 | 720 | 2.86 | 160 | 170 | M20*120 |
800 | 820 | 2.51 | 165 | 175 | M20*130 |
900 | 920 | 2.24 | 170 | 180 | M20*130 |
1000 | 1571 | 2.02 | 175 | 185 | M20*130 |
1200 | 1220 | 1.69 | 180 | 190 | M22*140 |
1400 | 1420 | 1.45 | 185 | 195 | M22*140 |
1600 | 1620 | 1.27 | 190 | 200 | M22*140 |
1800 | 1820 | 1.13 | 195 | 205 | M22*150 |
2000 | 2571 | 1.01 | 200 | 210 | M24*150 |
2200 | 2571 | 1.01 | 205 | 215 | M24*150 |
2400 | 2420 | 1.01 | 210 | 220 | M24*150 |
2600 | 2620 | 1.01 | 215 | 225 | M24*160 |
2800 | 2830 | 1.01 | 220 | 230 | M27*160 |
3000 | 3571 | 1.01 | 225 | 230 | M27*160 |
3200 | 3220 | 1.01 | 230 | 240 | M27*180 |
Datas above are only for reference,if you want to know more details, please click here to contact us.
Installation Instructions
1. Prepare groove pipe sections, fittings and accessories that meet the requirements.
2. Check whether the rubber sealing ring is damaged and put it on the end of a steel pipe.
3. There should be a certain gap between the end and both ends of the steel pipe close to the end and both ends of the pipe which has been covered with rubber sealing ring. The clearance shall meet the standard requirements.
4. Put the rubber seal ring on the end of another steel pipe, make the rubber seal ring in the middle of the interface, and apply lubricant on the same side.
5. Check the axis of the pipe.
6. Install upper and lower clamps on the outer side of rubber seal-ing ring at the interface position, and clip the collar convex edge into the groove.
7. Press the upper and lower clamp ears with hand force, tighten the collar of the clamp with a wooden hammer, and tighten the upper and lower clamps tightly.
8. At the clamp screw hole position, put on the studs and tighten the nuts evenly to prevent the rubber sealing ring from wrin-kling.
9. check and comfirm that the collar convex edge is clamped into the groove.
products application
Company Profile
HangZhou Ruixuan pipeline equipment factory was founded in 1996.It is an excellent enterprise specializing in manufacturing and selling pipe fittings.It’s located in Xicun village ,HangZhou city,ZheJiang province ,the concentrated area of pipeline equipment industry in China.The company factory is located in Xicun town pipeline equipment industrial park.It covered an area of20000 square meters.
At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.
The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.
The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.
Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
Certifications
exhibition
FAQ
Q:Can you make the product as per client’s requirement?
A:Yes, we can make it with your exact requirement.
Q:What are your payment terms?
A:T/T (30% as deposit, the rest 70% will be paid before delivery), L/C at sight.
Q:Where is your nearest loading port?
A:ZheJiang , HangZhou or ZheJiang , China.
Q:How can you guarantee the quality or any warranty?
A:If any quality problems during use, all the products can be returned or according to consumer’s requests.
Q:Do you accept small quantity order?
A:Of course we do.
Q:And what is your shipment and delivery time?
A:By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Couplings Accommodate High Torque and High-Speed Applications?
Yes, rigid couplings are well-suited for high torque and high-speed applications. Their design and construction allow them to efficiently transmit large amounts of torque and handle high rotational speeds without compromising performance or introducing backlash.
Rigid couplings are typically made from robust materials, such as steel or aluminum, which provide high strength and stiffness. This allows them to withstand substantial torque loads without deformation or failure. Additionally, rigid couplings do not have flexible elements, such as elastomers or springs, which can be a limiting factor in high-torque applications.
The absence of flexible elements also means that rigid couplings have minimal backlash. Backlash is the clearance between mating teeth in a coupling and can cause position inaccuracies, especially in high-precision systems. Since rigid couplings have a solid, one-piece design, they offer precise and immediate torque transmission, making them suitable for applications requiring high accuracy and repeatability.
Furthermore, the solid construction of rigid couplings allows them to handle high rotational speeds. They do not exhibit the bending or torsional flexibility seen in some other coupling types, which can be limiting factors in high-speed applications. As a result, rigid couplings are commonly used in various high-speed machinery, such as power transmission systems, motors, pumps, and industrial equipment.
However, it is essential to ensure proper alignment and installation when using rigid couplings in high-torque and high-speed applications. Any misalignment between the shafts can lead to increased stresses and premature failure. Regular maintenance, including shaft alignment checks, can help ensure optimal performance and longevity in such demanding applications.
In summary, rigid couplings are an excellent choice for high torque and high-speed applications due to their robust design, minimal backlash, and ability to provide precise torque transmission. When correctly installed and maintained, rigid couplings can reliably handle the demands of various industrial and mechanical systems.
What Industries Commonly Use Rigid Couplings for Power Transmission?
Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:
- Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
- Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
- Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
- Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
- Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
- Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
- Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.
Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.
What is a Rigid Coupling and How Does it Work?
A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.
Structure and Design:
Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.
Working Principle:
The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.
Applications:
Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:
- High-precision machinery and equipment
- Robotics and automation systems
- Precision motion control systems
- Machine tools
- Shaft-driven pumps and compressors
Advantages:
The key advantages of using rigid couplings include:
- High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
- Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
- Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
- Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.
Limitations:
Despite their advantages, rigid couplings have certain limitations:
- No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
- Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
- Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.
In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.
editor by CX 2024-04-13
China Custom Gr Clamp Rigid Coupling Motor Coupler Servo Shaft Coupling
Product Description
GR Clamp Rigid Coupling Motor Coupler Servo Shaft Coupling
Description of GR Clamp Rigid Coupling Motor Coupler Servo Shaft Coupling
>The material is aluminum alloy, and the middle bellows is made of stainless steel with excellent corrosion resistance
>Laser welding is used between bellows and shaft sleeve, with zero rotation clearance, suitable for CHINAMFG and reverse rotation
>Bellows structure can effectively compensate radial, angular and axial deviation
>Designed for servo motor stepper motor
>Fastening method of setscrew
Catalogue of GR Clamp Rigid Coupling Motor Coupler Servo Shaft Coupling
model parameter |
common bore diameter d1,d2 |
ΦD |
L |
LI |
L2 |
L3 |
N |
F |
tightening screw torque |
GR-16×27 |
4,5,6,6.35,7,8 |
16 |
27 |
7.5 |
2 |
8 |
13.5 |
3 |
0.7 |
GR-20×32 |
5,6,6.35,7,8,9,9.525,10,11,12 |
20 |
32 |
7.2 |
2.8 |
12 |
18 |
3.5 |
0.7 |
GR-22.5×34 |
5,6,6.35,7,8,9,9.525,10,11,12 |
22.5 |
34 |
8.05 |
2.8 |
12.3 |
20.2 |
4.5 |
1.7 |
GR-25×37 |
6,6.35,7,8,9,9.525,10,11,12 |
25 |
37 |
9.5 |
3 |
12 |
20.2 |
4.5 |
1.7 |
GR-32×42 |
8,9,10,11,12,12.7,14,15 |
32 |
42 |
8 |
4 |
18 |
27.2 |
5.5 |
4 |
GR-40×51 |
8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20 |
40 |
51 |
9.5 |
6 |
20 |
34.5 |
5.5 |
4 |
GR-55×57 |
10,11,12,12.7,14,15,16,17,18,19,20,22,24,25 |
55 |
57 |
9 |
6 |
27 |
51.9 |
6.25 |
7 |
GR-65×81 |
10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38 |
65 |
81 |
19.5 |
7 |
28 |
60.5 |
8.9 |
7 |
model parameter |
Rated torque(N.m) |
allowable eccentricity (mm) |
allowable deflection angle (°) |
allowable axial deviation (mm) |
maximum speed (rpm) |
static torsional stiffness (N.M/rad) |
weight (g) |
GR-16×27 |
0.8 |
0.1 |
2 |
-0.8 |
20000 |
150 |
8 |
GR-20×32 |
1.5 |
0.1 |
2 |
-1.2 |
18000 |
220 |
13 |
GR-22.5×34 |
1.8 |
0.15 |
2 |
-1.2 |
16000 |
300 |
22 |
GR-25×37 |
2 |
0.15 |
2 |
-1.2 |
15000 |
330 |
30 |
GR-32×42 |
2.5 |
0.2 |
2 |
-1.7 |
11000 |
490 |
53 |
GR-40×51 |
6.4 |
0.3 |
2 |
-1.7 |
10000 |
530 |
85 |
GR-55×57 |
12 |
0.3 |
2 |
-1.7 |
9000 |
860 |
170 |
GR-65×81 |
18 |
0.2 |
2 |
-1.8 |
4500 |
900 |
280 |
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How to Properly Install a Rigid Shaft Coupling for Optimal Performance and Reliability
Proper installation of a rigid shaft coupling is essential to ensure optimal performance and reliability in mechanical systems. Here are the steps to follow for a successful installation:
- Shaft Preparation: Ensure that the shafts to be connected are clean, smooth, and free from any burrs or contaminants that could affect the coupling’s performance.
- Alignment: Align the two shafts accurately to minimize misalignment during installation. The alignment process is critical as any misalignment can lead to premature wear and reduced coupling efficiency.
- Fitment: Choose the appropriate size of the rigid shaft coupling that matches the shaft diameters. Carefully slide the coupling onto one shaft at a time.
- Fastening: For one-piece rigid couplings, ensure that the coupling is fitted snugly onto both shafts. For two-piece couplings, bolt the two halves together securely around the shafts.
- Tightening: Use the recommended torque value and follow the manufacturer’s guidelines to tighten the coupling bolts properly. Over-tightening can cause distortion, while under-tightening can lead to slippage and reduced torque transmission.
- Inspection: After installation, inspect the coupling to ensure that it is centered and aligned correctly. Check for any signs of misalignment or interference during rotation.
- Lubrication: Some rigid couplings may require lubrication at the friction points to reduce wear and friction. Follow the manufacturer’s recommendations for lubrication intervals and types.
- Load Testing: Perform load testing on the system to verify the coupling’s performance and check for any unusual vibrations or noises during operation.
- Regular Maintenance: Include the rigid coupling in your regular maintenance schedule. Periodically check for signs of wear, misalignment, or damage, and replace the coupling if necessary.
By following these installation steps and best practices, you can ensure that the rigid shaft coupling operates optimally, providing reliable torque transmission and contributing to the overall efficiency and longevity of the mechanical system.
How do rigid shaft couplings compare to flexible couplings in terms of torque transmission and misalignment handling?
Rigid shaft couplings and flexible couplings differ in their ability to handle torque transmission and misalignment. Here’s a comparison of these aspects:
- Torque Transmission: Rigid shaft couplings offer excellent torque transmission due to their solid construction. They efficiently transmit high torque loads without significant power loss. Flexible couplings, on the other hand, may have some inherent power loss due to their flexibility.
- Misalignment Handling: Flexible couplings excel in compensating for misalignment between shafts. They can accommodate angular, parallel, and axial misalignments, reducing stress on connected equipment. Rigid couplings are limited in their misalignment compensation, primarily handling minimal misalignments. Significant misalignment can lead to increased wear and premature failure.
The choice between rigid and flexible couplings depends on the specific requirements of the application. If precise torque transmission and minimal misalignment are priorities, rigid couplings may be suitable. However, if misalignment compensation and vibration dampening are crucial, flexible couplings are a better option.
Advantages of Rigid Shaft Couplings Compared to Other Coupling Types
Rigid shaft couplings offer several advantages over other types of couplings, making them suitable for specific applications where these characteristics are essential:
- Efficient Torque Transmission: Rigid couplings provide a direct and efficient transfer of torque from one shaft to another, minimizing power loss and maximizing the system’s overall efficiency.
- Precision and Accuracy: Due to their solid and inflexible design, rigid shaft couplings maintain precise shaft alignment, ensuring accurate and consistent performance in precision machinery and instruments.
- High Torque and Speed Capacity: Rigid couplings can handle high torque loads and high-speed applications without significant wear or fatigue, making them suitable for heavy-duty industrial systems.
- Simple Design: Rigid couplings have a straightforward design, consisting of few components, which makes them easy to install, inspect, and maintain.
- No Backlash: Since rigid couplings do not have any flexibility or play, they do not introduce backlash into the system, providing precise and immediate responsiveness to changes in torque and speed.
- Cost-Effectiveness: Rigid shaft couplings are generally more affordable than some of the more complex flexible coupling types, making them a cost-effective solution for applications with minimal shaft misalignments.
- High Temperature and Corrosion Resistance: Depending on the material used, rigid couplings can offer high-temperature resistance and corrosion resistance, making them suitable for harsh environments.
- Stability and Reliability: Rigid couplings provide a stable and reliable connection between shafts, reducing the risk of failure or breakdown in critical systems.
Despite their advantages, rigid couplings are not suitable for applications where shaft misalignment or shock absorption is a concern. In cases where misalignment is expected or where some degree of flexibility is required to protect the system from shocks and vibrations, flexible coupling types such as beam couplings, bellows couplings, or jaw couplings are more appropriate choices.
editor by CX 2024-04-13