Product Description
OEM High Precision Plastic Injection Moulding
Product Description
1. Precision CNC machining parts strictly follow customers’ drawing, packing, and quality requirements.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
Detailed Photos
Product Parameters
Our advantage of cnc machining:
| Business Type | Beyond the Manufacturer and strong Milling Machining Parts organized ability in the industrial |
| Benefits | 1. Deeper industrial experience at CNC machining parts service for more than 10-years,our customer’s requirement is our 1st priority. 2. 2D or 3D files is available; 3. We trust the quality priority and we insist the good quality should be based on the customers’ satisfied; 4. Without any MOQ requirement; 5.Faster delivery time; 6. Customized size and specification /OEM available 7. Near ZheJiang Port |
The material
| Materials Accept |
Stainless Steel | SS201, SS303, SS304, SS316 etc. |
| Steel | Q235, 20#, 45#, | |
| Brass | C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37) , C28000(CuZn40) | |
| Iron | 1213, 12L14,1215 etc. | |
| Bronze | C51000, C52100, C54400, etc. | |
| Aluminum | Al6061, Al6063,AL7075,AL5052 etc | |
| Plastic | ABS,POM,PC(Poly-Carbonate),PC+GF,PA(nylon),PA+GF, PMMA(acrylic)PEEK,PEI etc) |
Packaging & Shipping
- We prefer DHL or TNT express or other air freight between 1kg-100kg.
- we prefer sea freight more than 100kg or more than 1CBM
- As per customized specifications.
Company Profile
About us
HangZhou CHINAMFG Technology Co.,Ltd is located in HangZhou City, ZheJiang Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CHINAMFG to cooperating with you!
Our Advantages
1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
After Sales Service
Iso9001 certified CHINAMFG cnc parts
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.
Our Service
| Our Processing | CNC center, CNC milling, CNC turning, drilling, grinding, bending, stamping, tapping, |
| Surface finish | Polishing, sandblasting, Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, |
| Tolerance | 0.05mm~0.1mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD / PDF/ DWG/ IGS/ STEP |
| Packaging | Plastic bag/Standard package / Carton or Pallet / As per customized specifications |
| Payment Terms | 30 -50%T/T in advance, 70-50% balance before delivery; Pay Pal or Western Union is acceptable. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms |
1)We prefer DHL or TNT express or other air freight between 1kg-100kg. 2) we prefer sea freight more than 100kg or more than 1CBM |
| Note | The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment |
Common Industries and Use Cases for Rigid Shaft Couplings
Rigid shaft couplings find applications in various industries where precise and torque-resistant shaft connections are required. Some of the common industries that use rigid shaft couplings include:
- Manufacturing: Rigid shaft couplings are widely used in manufacturing machinery, such as lathes, milling machines, and CNC equipment, to provide rigid and accurate power transmission.
- Robotics: Robots and robotic arms often use rigid shaft couplings to ensure precise motion and synchronization between motors and actuators.
- Aerospace: In aerospace applications, rigid couplings are used in aircraft engines, landing gear systems, and control surfaces.
- Automotive: Rigid couplings are utilized in automotive powertrains and drivetrains to transmit torque efficiently and withstand high loads.
- Marine: Marine propulsion systems and shipboard equipment often employ rigid shaft couplings for reliable torque transmission in challenging environments.
- Packaging: Packaging machinery relies on rigid couplings to achieve accurate and synchronized movements in filling, sealing, and labeling operations.
- Steel and Metal Processing: Rigid shaft couplings are essential in steel mills and metal processing equipment to handle heavy loads and maintain precision.
- Printing and Paper: Printing presses and paper handling machinery use rigid couplings to ensure precise registration and consistent operation.
- Mining and Construction: Mining equipment and construction machinery utilize rigid couplings for robust power transmission in harsh environments.
- Energy and Utilities: In power generation plants and utilities, rigid couplings are employed in pumps, compressors, and turbines.
Rigid shaft couplings are versatile and can be found in numerous other industries where precise and efficient power transmission is critical for smooth operation and high-performance machinery.
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 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 2023-11-16
China Custom Wholesale Power Transmission Miniature Shaft Threaded Split Rigid Coupling with Set Screw Price
Product Description
OEM High Precision Plastic Injection Moulding
Product Description
1. Precision CNC machining parts strictly follow customers’ drawing, packing, and quality requirements.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
Detailed Photos
Product Parameters
Our advantage of cnc machining:
| Business Type | Beyond the Manufacturer and strong Milling Machining Parts organized ability in the industrial |
| Benefits | 1. Deeper industrial experience at CNC machining parts service for more than 10-years,our customer’s requirement is our 1st priority. 2. 2D or 3D files is available; 3. We trust the quality priority and we insist the good quality should be based on the customers’ satisfied; 4. Without any MOQ requirement; 5.Faster delivery time; 6. Customized size and specification /OEM available 7. Near ZheJiang Port |
The material
| Materials Accept |
Stainless Steel | SS201, SS303, SS304, SS316 etc. |
| Steel | Q235, 20#, 45#, | |
| Brass | C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37) , C28000(CuZn40) | |
| Iron | 1213, 12L14,1215 etc. | |
| Bronze | C51000, C52100, C54400, etc. | |
| Aluminum | Al6061, Al6063,AL7075,AL5052 etc | |
| Plastic | ABS,POM,PC(Poly-Carbonate),PC+GF,PA(nylon),PA+GF, PMMA(acrylic)PEEK,PEI etc) |
Packaging & Shipping
- We prefer DHL or TNT express or other air freight between 1kg-100kg.
- we prefer sea freight more than 100kg or more than 1CBM
- As per customized specifications.
Company Profile
About us
HangZhou CHINAMFG Technology Co.,Ltd is located in HangZhou City, ZheJiang Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CHINAMFG to cooperating with you!
Our Advantages
1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
After Sales Service
Iso9001 certified CHINAMFG cnc parts
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.
Our Service
| Our Processing | CNC center, CNC milling, CNC turning, drilling, grinding, bending, stamping, tapping, |
| Surface finish | Polishing, sandblasting, Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, |
| Tolerance | 0.05mm~0.1mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD / PDF/ DWG/ IGS/ STEP |
| Packaging | Plastic bag/Standard package / Carton or Pallet / As per customized specifications |
| Payment Terms | 30 -50%T/T in advance, 70-50% balance before delivery; Pay Pal or Western Union is acceptable. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms |
1)We prefer DHL or TNT express or other air freight between 1kg-100kg. 2) we prefer sea freight more than 100kg or more than 1CBM |
| Note | The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment |
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 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.
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 2023-11-16
China Standard New Design Stainless Steel High Rigid Disc Coupling Rubber Jaw Coupler for Shaft Motors
Product Description
New design Stainless Steel High Rigid Disc Coupling Rubber Jaw Coupler For Shaft Motors
Product Description
|
Product Name |
Coupling |
|
Material |
Aluminum alloy |
|
Precision |
C7,C5 |
|
Inner Hole |
8mm-40mm |
|
Length |
20mm-100mm |
|
Advantage |
High precision, high speed, long life, high reliability, low noise |
|
Packing |
wooden box or according to customers’ demands |
Product Parameters
Packaging & Shipping
Company Profile
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is located at Xihu (West Lake) Dis. industrial zone Xihu (West Lake) Dis. County which is the beautiful Xihu (West Lake) Dis.
Water City and the famous painting and calligraphy village.The south is national road 308, the west is the national highway 105,
the north is HangZhou-HangZhou highway, so the position is very superior. It is 1 of the biggest linear manufacturers in China.
Certifications
Our Advantages
1. Our Team:
We have experienced and qualified team of marketing and sales representatives to serve our valued customers with the finest products and unsurpassed service.And have professional engineers team to assessment and development the new precision products,and make the OEM customized more easily,experienced QC team to test the products quaity ensure the goods quality before delivery out.
2. Our products:
Quality is the life .We use only the best quality material to ensure the precision of our
Product.All products we sold out are strictly selected and tested by our QC department.
3. Payment:
We accept payment via T/T (Bank transfer), Western Union.
4. Shipping method:
Including DHL, UPS, TNT, FEDEX,EMS, Airfreight and by Sea,as customer required.
FAQ
1. Q: How about the quality of your product?
A: 100% inspection during production.
Our products are certified to ISO9001-2008 international quality standards.
2. Q: What’s the delivery time?
A: For custom order, within 2000 meters,
Production time is 15days after confirmed every details.
3. Q: What’s your packing?
A: Our Normal packing is bulking in PE bag, and then into plywood Cartons.
We also can pack products according to your requirement.
4. Q: What about the warranty?
A: We are very confident in our products,
and we pack them very well to make sure the goods in well protection.
5.Q: Could you send me your catalogue and price list?
A: As we have more than hundreds of products,
it is really too hard to send all of catalogue and price list for you.
Please inform us the style you interested, we can offer the pricelist for your reference.
6.Q:There are a lot of companies which export bearings, why do you choose us?
A: As we are a genuine linear guide supplier since 2011.and we are really factory, you need not pay the profit for middlemen.
so we can offer you the lowest and competitive price .
Industry Standards and Certifications for Rigid Shaft Couplings
Yes, there are industry standards and certifications that apply to rigid shaft couplings to ensure their quality, performance, and safety. Some of the common standards and certifications include:
- ISO 14691: This International Organization for Standardization (ISO) standard specifies the requirements and dimensions for metallic straight-toothed rigid couplings with external clamping for shaft connections.
- ANSI/AGMA 9002-C16: The American Gear Manufacturers Association (AGMA) standard covers measurement methods for evaluating the torsional stiffness of rigid couplings.
- API 671: This American Petroleum Institute (API) standard applies to special-purpose couplings used in petroleum, chemical, and gas industry services, ensuring reliable operation and safety.
- DNV GL: Rigid couplings used in marine and offshore applications may require certification from DNV GL, an international accredited registrar and classification society.
- ATEX: For couplings used in explosive atmospheres, compliance with the ATEX directive is crucial to ensure that the coupling does not become a source of ignition.
When selecting a rigid shaft coupling, it is essential to look for products that comply with these relevant industry standards and certifications. Meeting these standards guarantees that the couplings have undergone rigorous testing and adhere to recognized quality and safety guidelines.
What design considerations are crucial when selecting a rigid shaft coupling for a specific application?
Selecting the right rigid shaft coupling for a specific application involves careful consideration of several design factors to ensure optimal performance and reliability. Here are crucial design considerations to keep in mind:
- Torque Transmission: Determine the maximum torque that the coupling needs to transmit. The coupling’s torque rating should match or exceed the application’s requirements to prevent overloading.
- Shaft Size and Type: Choose a coupling that accommodates the shaft sizes and types of the connected equipment. The coupling’s bore sizes should match the shaft diameters for a secure fit.
- Alignment Capability: Consider the alignment accuracy needed for your application. Rigid couplings offer excellent alignment, but some applications might require higher precision than others.
- Space Constraints: Evaluate the available space around the coupling area. Some couplings might have a compact design suitable for tight spaces, while others might require more clearance.
- Environmental Conditions: Assess the operating environment for factors such as temperature, humidity, and presence of corrosive substances. Choose a coupling with appropriate materials and coatings for durability in the given conditions.
- Shaft Misalignment: Determine the potential misalignments the coupling will need to accommodate. While rigid couplings have limited flexibility, they can handle small misalignments. Consider whether angular or axial misalignments are more significant in your application.
- Operating Speed: Evaluate the rotational speed of the machinery. Some couplings have speed limits, and exceeding these limits can lead to vibrations and premature wear.
- Dynamic Loads: Consider any dynamic loads, shocks, or impacts that the coupling might experience during operation. Choose a coupling that can handle these loads without failure.
- Torsional Rigidity: High torsional rigidity ensures efficient torque transmission and minimizes torsional vibrations. Evaluate whether the coupling’s stiffness aligns with your application’s requirements.
- Attachment Method: Determine how the coupling will be attached to the shafts. Different couplings use set screws, clamps, keyways, or other attachment methods. Select a method that suits your application’s needs.
- Cost Considerations: Balance the desired features with your budget. While more advanced couplings might offer additional benefits, they could also be more expensive.
It’s important to collaborate with coupling manufacturers, engineers, or experts to ensure the selected coupling aligns with the specific demands of your application. Coupling suppliers can provide valuable guidance based on their product knowledge and experience with various applications.
By carefully evaluating these design considerations, you can select a rigid shaft coupling that delivers reliable performance, reduces maintenance needs, and contributes to the overall efficiency 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 2023-11-07
China Standard RGB 80 Nylon Sleeve Coupling for Shaft Connection
Product Description
Product Description
Nylon Sleeve Gear Coupling
KASIN Nylon Sleeve Couplings flexible shaft connections for a positive torque transmission and specifically suitable to compensate for axial, radial and angular shaft misalignment.
KASIN Nylon Sleeve Couplings are compact and require no lubrication. They are adapted to many applications including vertical and blind installations. They operate over a wide range of temperature at speed up to 5,/8822 0571 -57152031 Fax: 86~/8822 0571 -57152030
Http://kasinchain
Specific Safety Precautions When Working with Shaft Couplings
Working with shaft couplings involves handling rotating machinery and mechanical components. To ensure the safety of personnel and prevent accidents, specific safety precautions should be followed during installation, maintenance, and operation:
1. Lockout-Tagout (LOTO):
Prior to any work on machinery involving couplings, implement a lockout-tagout procedure to isolate the equipment from its power source. This ensures that the machinery cannot be accidentally energized during maintenance or repair, protecting workers from potential hazards.
2. Personal Protective Equipment (PPE):
Always wear appropriate personal protective equipment (PPE), including safety goggles, gloves, and appropriate clothing, when working with shaft couplings. PPE helps protect against potential hazards such as flying debris, sharp edges, or contact with moving parts.
3. Proper Training and Supervision:
Only trained and authorized personnel should work with shaft couplings. Ensure that workers have the necessary knowledge and experience to handle the equipment safely. Adequate supervision may be required, especially for less-experienced personnel.
4. Inspection and Maintenance:
Regularly inspect shaft couplings and associated components for signs of wear, damage, or misalignment. Address any issues promptly to prevent equipment failure and potential accidents.
5. Follow Manufacturer’s Guidelines:
Adhere to the manufacturer’s instructions and guidelines for installation, operation, and maintenance of the specific coupling model. Improper use or deviation from recommended procedures may compromise safety and void warranties.
6. Avoid Overloading:
Do not exceed the torque and speed limits specified by the coupling manufacturer. Overloading a coupling can lead to premature failure and pose safety risks to operators and nearby equipment.
7. Shaft Guards and Enclosures:
Install appropriate guards and enclosures to prevent accidental contact with rotating shafts and couplings. These safety measures help reduce the risk of entanglement and injuries.
8. Zero Energy State:
Ensure that all stored energy in the equipment, such as compressed air or hydraulic pressure, is released and the equipment is in a zero energy state before starting work.
9. Avoid Loose Clothing and Jewelry:
Remove or secure loose clothing, jewelry, and other items that could get caught in moving parts.
10. Maintain a Clean Work Area:
Keep the work area clean and free from clutter to avoid tripping hazards and facilitate safe movement around the machinery.
By following these safety precautions, personnel can minimize the risks associated with working with shaft couplings and create a safer working environment for everyone involved.
“`
Comparing Shaft Couplings with Other Types of Couplings in Performance
Shaft couplings are essential components in mechanical power transmission systems, and their performance characteristics vary depending on the coupling type. Let’s compare shaft couplings with other common types of couplings:
1. Shaft Couplings:
Shaft couplings come in various designs, including flexible and rigid couplings. They are widely used in a broad range of applications due to their ability to transmit torque and accommodate misalignments between rotating shafts. Flexible shaft couplings, with elastomeric or metallic elements, offer good misalignment compensation and damping characteristics. Rigid couplings, on the other hand, provide precise torque transmission and are ideal for applications where shafts are well-aligned.
2. Gear Couplings:
Gear couplings are robust and designed for heavy-duty applications. They consist of two external gear hubs with internal gear teeth that mesh together. Gear couplings can handle high torque, high-speed, and angular misalignment. They are often used in demanding industries such as steel, mining, and paper manufacturing.
3. Grid Couplings:
Grid couplings feature a flexible grid element between the two halves of the coupling. They provide excellent shock absorption and misalignment compensation. Grid couplings are commonly used in pumps, compressors, and other industrial machinery.
4. Disc Couplings:
Disc couplings utilize flexible metallic discs to transmit torque and compensate for misalignment. They offer high torsional stiffness, making them suitable for applications requiring precise motion control, such as robotics and CNC machines.
5. Jaw Couplings:
Jaw couplings consist of two hubs with elastomeric spider inserts. They are easy to install, have good misalignment capabilities, and offer electrical isolation between shafts. Jaw couplings are widely used in light to medium-duty applications.
6. Oldham Couplings:
Oldham couplings have three discs—two outer discs with slots and a central disc with a tongue that fits into the slots. They provide excellent angular misalignment compensation while maintaining constant velocity between shafts. Oldham couplings are commonly used in printing machines and conveyors.
7. Beam Couplings:
Beam couplings are made from a single piece of flexible material with spiral cuts. They offer good misalignment compensation and torsional flexibility, making them suitable for precision equipment like encoders and servo motors.
The choice of coupling depends on the specific requirements of the application, including torque, speed, misalignment compensation, environmental conditions, and space limitations. Each coupling type has its strengths and limitations, and selecting the right coupling is crucial to ensure optimal performance and reliability in the mechanical system.
“`
Diagnosing and Fixing Common Issues with Shaft Couplings
Regular inspection and maintenance of shaft couplings are essential to detect and address common issues that may arise during operation. Here are steps to diagnose and fix some common coupling problems:
1. Abnormal Noise or Vibration:
If you notice unusual noise or excessive vibration during equipment operation, it may indicate misalignment, wear, or damage in the coupling. Check for any visible signs of damage, such as cracks or deformations, and inspect the coupling for proper alignment.
Diagnosis:
Use a vibration analysis tool to measure the vibration levels and identify the frequency of the abnormal vibrations. This can help pinpoint the source of the problem.
Fix:
If misalignment is the cause, adjust the coupling to achieve proper alignment between the shafts. Replace any damaged or worn coupling components, such as spiders or elastomeric inserts, as needed.
2. Excessive Heat:
Feeling excessive heat on the coupling during operation can indicate friction, improper lubrication, or overload conditions.
Diagnosis:
Inspect the coupling and surrounding components for signs of rubbing, lack of lubrication, or overloading.
Fix:
Ensure proper lubrication of the coupling, and check for any interference between the coupling and adjacent parts. Address any overloading issues by adjusting the equipment load or using a coupling with a higher torque capacity.
3. Shaft Movement:
If you observe axial or radial movement in the connected shafts, it may indicate wear or improper installation of the coupling.
Diagnosis:
Check the coupling’s set screws, keyways, or other fastening methods to ensure they are secure and not causing the shaft movement.
Fix:
If the coupling is worn or damaged, replace it with a new one. Ensure proper installation and use appropriate fastening methods to secure the coupling to the shafts.
4. Sheared Shear Pin:
In shear pin couplings, a sheared shear pin indicates overloading or shock loads that exceeded the coupling’s torque capacity.
Diagnosis:
Inspect the shear pin for damage or breakage.
Fix:
Replace the sheared shear pin with a new one of the correct specifications. Address any overloading issues or adjust the equipment to prevent future shearing.
5. Coupling Wear:
Regular wear is normal for couplings, but excessive wear may lead to decreased performance and increased misalignment.
Diagnosis:
Inspect the coupling components for signs of wear, such as worn elastomeric elements or damaged teeth.
Fix:
Replace the worn or damaged components with new ones of the appropriate specifications.
Remember, regular maintenance and periodic inspection are key to diagnosing issues early and preventing severe problems. Always follow the manufacturer’s recommendations for maintenance and replacement schedules to ensure the proper functioning and longevity of the shaft coupling.
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editor by CX 2023-11-07
China factory Star Elastic with Enlarged Shaft Hole Flexible Coupling for Machine Tools
Product Description
Product Description
Product Parameters
| product | Star Elastic with Enlarged Shaft Hole Flexible Coupling for Machine tools |
| material | stainless steel , iron , aluminum ,bronze ,carbon steel ,brass etc . |
| size | ISO standard ,customer requirements |
| BORE | Finished bore, Pilot Bore, Special request |
| surface treatment | Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering |
| Processing Method | Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Package | Wooden Case/Container and pallet, or made-to-order |
| Certificate | ISO9001 ,SGS |
| Machining Process | Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping |
| Applications | Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc. |
| Testing Equipment | Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments |
workshop & equipment
Production process
Certifications
Our Advantages
1 . Prioritized Quality
2 .Integrity-based Management
3 .Service Orientation
4 .150+ advanced equipment
5 .10000+ square meter factory area
6 .200+ outstanding employees
7 .90% employees have more than 10 year- working experience in our factory
8 .36 technical staff
9 .certificate ISO 9001 , SGS
10 . Customization support
11 .Excellent after-sales service
shipping
sample orders delivery time:
10-15 working days as usual
15-20 working days in busy season
large order leading time :
20-30 working days as usual
30-40 working days in busy season
FAQ
1. why should you buy products from us not from other suppliers?
We are a 32 year-experience manufacturer on making the gear, specializing in manufacturing varieties of gears, such as helical gear ,bevel gear ,spur gear and grinding gear, gear shaft, timing pulley, rack, , timing pulley and other transmission parts . There are 150+ advanced equipment ,200+ excellent employees ,and 36 technical staff . what’s more ,we have got ISO9001 and SGS certificate .
2 .Do you accept small order?
If your order bearings are our standard size, we accept even 1pcs.
3 .How long is the delivery?
A: Small orders usually takes 10-15 working days,big order usually 20-35 days, depending on orders quantity and whether are standard size.
Understanding the Torque and Misalignment Capabilities of Shaft Couplings
Shaft couplings play a critical role in transmitting torque and accommodating misalignment between rotating shafts in mechanical power transmission systems. Understanding their torque and misalignment capabilities is essential for selecting the right coupling for a specific application. Here’s an overview:
Torque Transmission:
The torque capacity of a shaft coupling refers to its ability to transmit rotational force from one shaft to another. It is typically specified in torque units, such as Nm (Newton-meters) or lb-ft (pound-feet). The coupling’s torque capacity depends on its design, size, and material.
When selecting a coupling, it’s crucial to ensure that its torque capacity meets or exceeds the torque requirements of the application. Overloading a coupling beyond its torque capacity can lead to premature failure or damage to the coupling and connected equipment.
Misalignment Compensation:
Shaft misalignment can occur due to various factors, including thermal expansion, manufacturing tolerances, or foundation settling. Misalignment puts additional stress on the coupling and connected components, potentially leading to increased wear and reduced efficiency.
Shaft couplings are designed to compensate for different types of misalignment:
- Angular Misalignment: Occurs when the shafts are not parallel and have an angle between them.
- Parallel Misalignment: Occurs when the shafts are not collinear, resulting in axial displacement.
- Radial Misalignment: Occurs when the shafts have lateral displacement but remain parallel.
The coupling’s misalignment capabilities are specified in terms of angular and axial misalignment values, usually in degrees or millimeters. Different coupling designs can accommodate varying degrees of misalignment, and the choice depends on the specific application and operating conditions.
Flexible Couplings:
Flexible couplings, such as elastomeric or jaw couplings, offer good misalignment compensation. They can handle a combination of angular, parallel, and axial misalignments. However, their torque capacity may be limited compared to rigid couplings.
Rigid Couplings:
Rigid couplings, such as clamp or sleeve couplings, have high torque transmission capabilities but offer minimal misalignment compensation. They are best suited for applications where shafts are well-aligned and precise torque transmission is critical.
Torsional Stiffness:
Another factor to consider is the coupling’s torsional stiffness, which determines how much torsional deflection or twist occurs under load. Some applications, like precision systems, may require couplings with high torsional stiffness to maintain accurate positioning and avoid torsional backlash.
By understanding the torque and misalignment capabilities of shaft couplings, engineers can make informed decisions when selecting a coupling to ensure efficient power transmission and reliable performance in their mechanical systems.
“`
Real-World Examples of Shaft Coupling Applications in Different Industries
Shaft couplings play a crucial role in various industries by connecting rotating shafts and transmitting torque between them. Here are some real-world examples of shaft coupling applications in different industries:
1. Manufacturing Industry:
In manufacturing plants, shaft couplings are used in various equipment such as conveyor systems, pumps, compressors, and mixers. For example, in a conveyor system, shaft couplings connect the motor shaft to the conveyor belt, allowing efficient material handling and transportation.
2. Oil and Gas Industry:
The oil and gas industry utilizes shaft couplings in applications like drilling rigs, pumps, and generators. In drilling rigs, couplings connect the motor to the drill shaft, enabling the drilling process.
3. Marine Industry:
In the marine industry, shaft couplings are found in propulsion systems, water pumps, and winches. They connect the ship’s engine to the propeller shaft, providing the necessary torque for propulsion.
4. Power Generation:
Power plants use shaft couplings in turbines, generators, and cooling systems. For instance, in a steam turbine, couplings connect the turbine to the electrical generator, allowing the conversion of steam energy into electrical power.
5. Aerospace Industry:
Aerospace applications use shaft couplings in aircraft engines, landing gear systems, and auxiliary power units. Couplings enable power transmission between different components of the aircraft systems.
6. Automotive Industry:
In vehicles, shaft couplings are present in the drivetrain, steering systems, and transmission. For example, in a car’s transmission system, couplings connect the engine to the gearbox, enabling smooth gear changes and power transmission to the wheels.
7. Mining Industry:
The mining industry relies on shaft couplings in heavy-duty machinery such as crushers, conveyor belts, and pumps. Couplings connect motors to various mining equipment, facilitating material extraction and transportation.
8. Agriculture:
Agricultural machinery like tractors and harvesters use shaft couplings to connect the engine to implements such as plows, harvesters, and irrigation pumps.
These examples demonstrate the wide-ranging applications of shaft couplings across industries. In each case, the specific coupling type is chosen based on factors such as torque requirements, misalignment compensation, environmental conditions, and load characteristics to ensure reliable and efficient operation.
“`
Best Practices for Installing a Shaft Coupling for Optimal Performance
Proper installation of a shaft coupling is crucial for ensuring optimal performance and preventing premature wear or failure. Follow these best practices to install a shaft coupling correctly:
1. Shaft Alignment:
Ensure that both the driving and driven shafts are properly aligned before installing the coupling. Misalignment can lead to increased stress on the coupling and other connected components, reducing efficiency and causing premature wear. Use alignment tools, such as dial indicators or laser alignment systems, to achieve accurate shaft alignment.
2. Cleanliness:
Before installation, clean the shaft ends and the coupling bore thoroughly. Remove any dirt, debris, or residue that could interfere with the coupling’s fit or cause misalignment.
3. Lubrication:
Apply the recommended lubricant to the coupling’s contact surfaces, such as the bore and shaft ends. Proper lubrication ensures smooth installation and reduces friction during operation.
4. Correct Fit:
Ensure that the coupling is the correct size and type for the application. Use couplings with the appropriate torque and speed ratings to match the equipment’s requirements.
5. Fastening:
Use the recommended fastening methods, such as set screws or keyways, to securely attach the coupling to the shafts. Make sure the fasteners are tightened to the manufacturer’s specifications to prevent loosening during operation.
6. Spacer or Adapter:
If required, use a spacer or adapter to properly position the coupling on the shafts and maintain the desired distance between the driving and driven components.
7. Avoid Shaft Damage:
Be careful during installation to avoid damaging the shaft ends, especially when using set screws or other fastening methods. Shaft damage can lead to stress concentrations and eventual failure.
8. Check Runout:
After installation, check the coupling’s runout using a dial indicator to ensure that it rotates smoothly and without wobbling. Excessive runout can indicate misalignment or improper fit.
9. Periodic Inspection:
Regularly inspect the coupling and its components for signs of wear, misalignment, or damage. Perform routine maintenance as recommended by the manufacturer to prevent issues from worsening over time.
10. Follow Manufacturer’s Guidelines:
Always follow the manufacturer’s installation instructions and guidelines. Different types of couplings may have specific installation requirements that need to be adhered to for optimal performance and safety.
By following these best practices, you can ensure that your shaft coupling is installed correctly, maximizing its efficiency and reliability in your mechanical power transmission system.
“`
editor by CX 2023-10-19
China best CZPT Flexible Jaw Couplings Standard Taper Clamping Sleeve Ring Hubs Afn Bfn Ah Sh CF Cfn Df Dfn Zs-Dkm-Sh Zrs Zr Btan Sban Afn-Sb Special SD Shaft Coupling
Product Description
ROTEX Flexible Jaw Couplings Standard Taper Clamping Sleeve Ring Hubs AFN BFN AH SH CF CFN DF DFN ZS-DKM-SH ZRS ZR BTAN SBAN AFN-SB Special SD Shaft Coupling
ROTEX torsionally flexible jaw couplings
ROTEX torsionally flexible jaw couplings are elastomer couplings characterized by a compact design.
In spite of low weights and mass moments of inertia of the elastomer couplings they are able to transmit high torques. The compact shaft couplings are characterized by a long service life and sound operating characteristics generated by allover machining.
Overview: ROTEX torsionally flexible jaw couplings
ROTEX torsionally flexible jaw couplings are elastomer couplings characterized by a compact design.
ROTEX Standard
0 – 35,000 Nm / torsionally flexible jaw coupling
The original – renowned industrial standard
The torsionally flexible jaw coupling CHINAMFG Standard is an elastomer coupling with feather keyway and particularly low-priced due to its simple structure.
For mounting the hubs of the elastomer coupling are simply pushed on the shafts and axially fastened via setscrews.
Our flexible elastomer coupling CHINAMFG Standard is provided with splines acc. to DIN and SAE as a standard.
The torsionally flexible CHINAMFG couplings are suitable for universal use and applied as a flexible shaft connection in almost all ranges of general mechanical and plant engineering.
Features
torsionally flexible coupling for torsional vibration-damping power transmission
low-cost standard type
standard spiders made of high temperature-resistant T-PUR
splines acc. to DIN and SAE
complying with ATEX (acc. to EU directive 2014/34/EU)
Product Details
The coupling hubs of the flexible shaft coupling are available in the following materials:
– steel
– sintered steel
– stainless steel
– aluminium wrought products
– aluminium diecast
– cast iron
– nodular iron
ROTEX taper clamping sleeve
0 – 12,500 Nm / torsionally flexible jaw coupling
Jaw coupling can be combined with taper clamping sleeves
The torsionally flexible jaw coupling CHINAMFG for taper clamping sleeve is an elastomer coupling that can be combined with various types of taper clamping sleeves.
The compact design of this elastomer coupling in combination with the slide fit facilitates the assembly and axial alignment of the flexible shaft coupling.
The clamping screws to be used additionally secure the friction connection by a positive-locking fit.The torsionally flexible jaw coupling CHINAMFG for taper clamping sleeve is an elastomer coupling that can be combined with various types of taper clamping sleeves.
The compact design of this elastomer coupling in combination with the slide fit facilitates the assembly and axial alignment of the flexible shaft coupling.
The clamping screws to be used additionally secure the friction connection by a positive-locking fit.
Features
flexible jaw coupling for combining with taper clamping sleeves / taperlock clamping sleeves
slide fit facilitates axial alignment of the coupling
compact design
Additional protection by positive-locking fit, each half of the clamping screws being in the coupling hub and taper clamping sleeve
complying with ATEX (acc. to EU directive 2014/34/EU)
ROTEX clamping ring hubs
0 – 4,500 Nm / torsionally flexible jaw coupling
Jaw coupling with clamping ring hubs for fricitionally engaged shaft-hub-connections
ROTEX clamping ring hubs are torsionally flexible elastomer couplings with an integrated clamping system for frictionally engaged shaft-hub-connections.
Thanks to the integrated clamping system the CHINAMFG clamping ring hubs are able to transmit high friction torques. The internal clamping screws allow for easy assembly of the coupling.
Due to the rotation symmetry this type is additionally characterized by particularly smooth running
Features
torsionally flexible jaw couplings with integrated clamping system
friction connection for cylindrical shafts
application up to a circumferential speed of 40 m/s
particularly smooth running
high friction torques
ROTEX clamping hubs
0 – 4,500 Nm / torsionally flexible jaw coupling with clamping hubs
Jaw coupling with clamping hubs for spline bores acc. to DIN and SAE
ROTEX clamping hubs are torsionally flexible elastomer couplings with clamping hubs and particularly suitable for applications with reversing operation.
Our clamping couplings are provided with spline bores acc. to DIN and SAE as a standard (for standard splines see catalogue). Clamping, i. e. axial fastening of the hub, is realised via cap screws.
Easy assembly and disassembly of the hubs of this clamping coupling.
Features
fail-safe clamping coupling (clamping hubs)
standard hub material steel
suitable in combination with spline bores acc. to DIN 5480, DIN 5482, SAE J498 as well as DIN 9611 / ISO 500 (p. t. o. shaft), DIN 5463 (ISO 14), DIN 5481 and DIN 5472
balanced based on 3D-CAD data
particularly suitable for applications with reversing operation
ROTEX AFN
0 – 35,000 Nm / coupling as a flange type
Jaw coupling as a double flange type
ROTEX AFN is a torsionally flexible elastomer coupling as a double-flange type and particularly suitable for applications in heavy engineering.
Type AFN of the CHINAMFG elastomer coupling is characterized by the double flange type allowing for radial assembly and disassembly of the shaft coupling or elastomer without displacing the driving or driven side.
The flange hub 4N of the torsionally flexible jaw coupling as a flange type CHINAMFG AFN is made of steel and the driving flange 3Na is made of GJS.
Features
fail-safe jaw coupling
complying with UKEX (acc. to UKEX directive SI 2016:1107)
complying with ATEX (acc. to EU directive 2014/34/EU)
application up to a circumferential speed of 40 m/s
compensating for displacements (axial, radial, angular)
ROTEX BFN
0 – 35,000 Nm / coupling as a flange type
ROTEX BFN is a torsionally flexible elastomer coupling as a flange type (flange coupling) and particularly suitable for applications in heavy engineering.
Type BFN of the CHINAMFG elastomer coupling is characterized by the flange type allowing for radial assembly and disassembly of the shaft coupling or the elastomer without displacing the driving or driven side.
The flange hub 4N of the torsionally jaw coupling as a flange type CHINAMFG BFN is made of steel and the driving flange 3Na is made of GJS.
Features
fail-safe jaw coupling
low inertia
complying with ATEX (acc. to EU directive 2014/34/EU)
complying with UKEX (acc. to UKEX directive SI 2016:1107)
damping vibrations
ROTEX AH
0 – 12,500 Nm / torsionally flexible coupling with split hubs
Radial assembly/disassembly of the jaw coupling via 4 screws only
The torsionally flexible jaw coupling CHINAMFG AH is an elastomer coupling with split hubs (half shell coupling). This design is also referred to as drop-our center design coupling, half shell coupling, clamping coupling, coupling with split hubs or elastomer coupling with split clamping hub.
The hubs of the CHINAMFG elastomer coupling type A-H are split. Easy radial asssembly/disassembly of the half shell coupling made by tightening and unscrewing 4 screws only. The version is available both with and without feather keyway.
Features
assembly/disassembly via 4 screws
compensating for displacements (axial, radial, angular)
maintenance-free
complying with ATEX (acc. to EU directive 2014/34/EU)
complying with UKEX (acc. to UKEX directive SI 2016:1107)
ROTEX SH
0 – 4,500 Nm / torsionally flexible coupling with split hubs
Coupling with split hubs / SPLIT hubs
The torsionally flexible jaw coupling CHINAMFG SH is an elastomer coupling with split hubs / SPLIT hubs (half shell coupling) easy to service and is characterized by easy assembly and disassembly.
This design is also referred to as drop-our center design coupling, half shell coupling, clamping coupling, coupling with split hubs or elastomer coupling with split clamping hub.
Elastomer coupling with split hubs / SPLIT hubs:
The hubs of the half shell coupling CHINAMFG SH have been split into 2 halves precisely, mechanically and reliably by “cracking”. A rough surface with positive-locking connection ensuring an accurate fit of the 2 halves is generated. The contoured, rough cracked surfaces ensure ideal centering of the hub halves. The split hubs allow to assemble and disassemble the elastomer coupling radially via 4 screws without displacing the adjacent power packs. This makes the elastomer coupling with split clamping hub particularly easy to assemble and service.
Features
material cast iron
complying with ATEX (acc. to EU directive 2014/34/EU)
easy assembly/disassembly via 4 screws
centering of both hub halves through the cracked surface
displacing the power packs is not necessary for assembly
ROTEX CF
0 – 35,000 Nm / jaw coupling with flange connection on 1 side
The torsionally flexible jaw coupling CHINAMFG CF is an elastomer coupling with a flange connection on 1 side (flange coupling) and particularly suitable for applications in heavy engineering.
Type CF of the CHINAMFG elastomer coupling is characterized by a short mounting length of the flange connection on 1 side.
The driving flanges and hubs are available from stock. The flange is available from stock both with tapped holes and without hole/without centering.
Features
torsionally flexible jaw coupling as a flange type for heavy engineering
driving flanges and hubs available from stock
flange with tapped holes available from stock
flange without bore and without centering available from stock
material: driving flange 3b made of GGG40 (nodular iron)
ROTEX CFN
0 – 35,000 Nm / jaw coupling with flange connection on 1 side
The torsionally flexible jaw coupling CHINAMFG CFN is an elastomer coupling with a flange connection on 1 side (flange coupling) and particularly suitable for applications in heavy engineering.
Type CFN of the CHINAMFG elastomer coupling is characterized by the double flange design allowing for radial assembly and disassembly of the shaft coupling or elastomer without displacing the driving or driven side.
The driving flange and the hubs are available from stock.
Features
torsionally flexible jaw coupling as a flange type for heavy engineering
radially mountable without displacing the driving components
particularly short mounting length
flange material: 3b made of GGG40 (nodular iron)
customized mounting flanges on request
ROTEX DF
0 – 35,000 Nm / jaw coupling with flange connection on both sides
The torsionally flexible jaw coupling CHINAMFG DF is an elastomer coupling with flange connection on both sides (flange coupling) and particularly suitable for applications in heavy engineering.
The driving flanges and hubs are available from stock. The flanges are available from stock both with tapped holes and without hole/without centering.
Features
torsionally flexible jaw coupling (flange coupling) with flange connection on both sides for heavy engineering
damping vibrations
axial plug-in
fail-safe
maintenance-free
ROTEX DFN
0 – 35,000 Nm / jaw coupling with flange connection on both sides
The torsionally flexible jaw coupling CHINAMFG DFN is an elastomer coupling with flange connection on both sides (flange coupling) for screwing of driving and driven machine.
This torsionally flexible coupling is particularly suitable for applications in heavy engineering.
The CHINAMFG DFN elastomer coupling with flange connection on both sides can be radially assembled and disassembled without displacing the adjacent power packs. This allows for quick replacement of spiders, too.
The driving flanges and hubs are available from stock.
Features
torsionally flexible jaw coupling (flange coupling) with flange connection on both sides for heavy engineering
for screwing of driving and driven machine
radially mountable without displacing the driving components
quick replacement of spider possible
flange material: 3b made of GGG40 (nodular iron)
ROTEX ZS-DKM-SH
0 – 2,400 Nm / double-cardanic coupling with split hubs
The torsionally flexible jaw coupling ZS-DKM-SH is a double-cardanic elastomer coupling with split hubs (SH SPLIT).
The CHINAMFG ZS-DKM-SH with SPLIT hub provides the advantage that the coupling can be radially assembled and disassembled without displacing the adjacent power packs. The hub resp. connection of the 2 hub halves is not weakened by cracking.
This design is also referred to as drop-our center design coupling, half shell coupling, clamping coupling, coupling with split hubs or elastomer coupling with split clamping hub.
The hubs of the double-cardanic jaw coupling CHINAMFG ZS-DKM-SH are mechanically split by cracking and screwed back together with the assembly. This elastomer coupling is ideally suitable to offset larger radial displacements. Due to the split hubs the coupling can be radially assembled and disassembled without displacing the adjacent power packs.
Features
double-cardanic jaw coupling for large shaft displacements
good damping properties due to double arrangement of spiders
spacers adapted to drop-out center length of standard pumps
for bigger radial displacements generated by thermal expansion
assembly/disassembly via 4 screws
ROTEX ZRS
0 – 520 Nm / torsionally flexible intermediate shaft coupling with SPLIT hubs or half shell hubs
ROTEX ZRS jaw coupling for bridging smaller and bigger shaft distances
The lightweight ZRS made of high-strength aluminium captivates by a very high overall stiffness.
The high stiffness of the aluminium pipe arises from the structure consisting of 2 pipes that are connected via webs – the CHINAMFG cams.
The critical bending speed of the coupling is positively affected; shaft distances up to 4,000 mm can be bridged subject to the very low bending.
In addition the speed referring to the shaft distance dimension can be significantly higher than with the renowned intermediate pipe coupling with steel pipe.
The high stiffness of the pipe allows for torque transmission from the soft 92 ShA spider to the torsionally stiff 64 ShD spider.
Fields of application of the torsionally flexible ROTEX ZR-S intermediate pipe coupling:
The ZRS intermediate pipe coupling is used wherever large shaft distances must be bridged, e. g. on scissors lifts and conveyor systems in the lower torque range.
The wide range of CHINAMFG hubs can be combined with the ZRS pipe. For example in combination with the split ROTEX-SH-SPLIT hubs they allow for radial assemby and disassembly without displacing driving and driven side.
Please note: This type is not permissible for crane and hoist drives.
Features
double-cardanic jaw coupling with half shells (half shell coupling) and intermediate shaft (cardan shaft)
lightweight made of high-strength aluminium convinces by a very high overall stiffness.
for bridging large shaft distances
good damping properties due to double arrangement of spiders
intermediate pipe radially dismountable with flexible bearing in the GS spider
ROTEX ZR
0 – 1,920 Nm / torsionally flexible half shell coupling with intermediate shaft
Jaw coupling for bridging large shaft distances
The torsionally flexible jaw coupling CHINAMFG ZR is a half shell coupling (coupling with split hub) with intermediate shaft for bridging large shaft distances.
Couplings with split hubs are also referred to as drop-out center design couplings, half-shell couplings, clamping coupling or elastomer couplings with split clamping hubs.
The intermediate shaft coupling CHINAMFG ZR allows for bridging large shaft distances. Its half shell clamping hubs allow for radial assembly/disassembly (drop-out center design coupling). Due to its double-cardanic arrangement the intermediate shaft coupling is able to offset large displacements.
Fields of application of the torsionally flexible half shell coupling CHINAMFG ZR with intermediate shaft:
This intermediate shaft coupling with half shell clamping hubs is used wherever large shaft distances must be bridged, e. g. on scissors lifts and conveyor systems in the lower torque range.
Please note: This type is not permissible for crane and hoist drives!
Features
double-cardanic jaw coupling with half shells (half shell coupling) and intermediate shaft (cardan shaft)
for bridging large shaft distances
good damping properties due to double arrangement of spiders
intermediate pipe radially dismountable with flexible bearing in the GS spider
compensating for large displacements due to double-cardanic design
ROTEX BTAN
0 – 12,500 Nm / torsionally flexible jaw coupling with brake drum
The torsionally flexible jaw coupling CHINAMFG BTAN is an elastomer coupling combined with a brake drum. CHINAMFG type BTAN is used as a holding brake, but also a a service brake.
The CHINAMFG jaw coupling with brake drum (drum brake) to be mounted to external drum brakes with double shoes. The brake drum is positioned on the driven side. For combinations with a brake drum please note the potentially resulting high circumferential speed – KTR recommends dynamic balancing with high-speed drives from 30 m/s.
Fields of application of our torsionally flexible jaw coupling CHINAMFG BTAN with brake drum (drum brake):
This combination of coupling and brake is used wherever holding brakes or service brakes are required, e. g. on conveyor belts, generators, turbine drives, industrial fans, cranes, hoists, etc.
Safety-relevant drives are preferably combined with CHINAMFG hubs made of steel/GJS. Applications with moderate demands can be combined with GJL hubs.
Couplings and brakes by KTR:
The customer benefits from being supplied by 1 single source with the option to develop the brakes (KTR-STOP or EMB-STOP) as well. The KTR-STOP brake is hydraulically actuated and EMB-STOP is electromechanically actuated.
Features
each coupling type can be combined with various sizes of brake drums
following DIN 15431/15435
axial plug-in
damping vibrations
compensating for displacements (axial, radial, angular)
ROTEX SBAN
0 – 12,500 Nm / jaw coupling with brake disk
The CHINAMFG jaw coupling with brake disk for disk for brake calipers. Usually the brake disk is positioned on the driven side having the highest mass moment of inertia. For combinations with brake disks please note the potentially resulting high circumferential speed – KTR recommends dynamic balancing with high-speed drives from 30 m/s.
Fields of application of our torsionally flexible jaw coupling CHINAMFG SBAN with brake disk (disk for brake caliper):
This combination of coupling and brake disk is used wherever holding brakes or service brakes are required, e. g. on conveyor belts, generators, turbine drives, industrial fans, cranes, hoists, etc.
Safety-relevant drives are preferably combined with CHINAMFG hubs made of steel/GJS. Applications with moderate demands can be combined with GJL hubs.
Couplings and brakes by KTR:
The customer benefits from being supplied by 1 single source with the option to develop the brakes (KTR-STOP or EMB-STOP) as well. The KTR-STOP brake is hydraulically actuated and EMB-STOP is electromechanically actuated.
Features
torsionally flexible jaw coupling with disk for brake calipers
Every coupling type can be combined with various sizes of brake disks
The brake disk must be fastened on the shoulder of hub 1Nd
The max. braking torque must not exceed the maximum torque of the coupling
Coupling can be combined with our brake systems
ROTEX AFN-SB special
0 – 35,000 Nm / jaw coupling with brake disk
Jaw coupling with brake disk – radially mountable/dismountable
The torsionally flexible jaw coupling CHINAMFG AFN-SB special is an elastomer coupling with brake disk (brake disk coupling).
Brake disk and spider of the elastomer coupling can be replaced when mounted without displacing driving and driven side.
Features
torsionally flexible coupling with brake disk (brake disk coupling / drop-out center design coupling)
damping vibrations
axial plug-in
compensating for displacements (axial, radial, angular)
maintenance-free
ROTEX SD
0 – 12,500 Nm / shiftable jaw coupling
Coupling shiftable at standstill
The torsionally flexible jaw coupling CHINAMFG SD is an elastomer coupling shiftable at standstill (shiftable coupling).
The shiftable CHINAMFG coupling type SD enables easy disconnection and connection of the driving and driven side with standstill of the plant.
Please note with shiftable coupling CHINAMFG SD:
Shiftable linkage also available with locking pins, lock device and retrieval of shifting position via sensors.
Features
jaw coupling shiftable at standstill / shiftable coupling
easy disconnection resp. connection of driving and driven machines with standstill of the plant
existing shiftable hub can be combined with slip ring and shiftable linkage
pilot bored shifting hubs must be set to the necessary shifting force after final machining
complete shifting device consists of split slip ring made of red brass, shifting fork, shifting shaft, shifting lever, eye-type bearing
Why an elastic coupling of Bestseal?
An elastic coupling from Bestseal is the result of decades of product development and innovation. With this, we assure you of a high-quality component with the highest possible reliability. We see ourselves as the reliable partner of anyone who wants to set things in motion.
More than 2,000 employees work passionately every day to provide you, the customer, with the best conceivable products. DIN ISO certifications are the best proof of this. A transparent and honest way of working lies at the basis of every customer relationship with us.
Would you like to learn more about our elastic couplings or answer an important product question?
Please contact our technical support department or sales department and let us inform you in detail about the various possibilities.
We will be happy to think along with you based on your wishes and make you a custom offer without any obligation.
we specialized in the development and production of sealing systems which were used in the Metallurgical,Electrical,Auto, Engineering machinery, Light industrial machinery and Electrical appliance manufacturing industries. BESEALS focus on customers’ needs,as a dependable partner and reliable supplier to help you resolve supply or technical problems ,and improve the performance of your equipments or your business. When you are facing emergency repairs situation or urgent orders,the highly responsive team of DLseals will offer you very short lead time. Beseals has a global sales network,and our seals have been sold to more than 100 countries or areas ,Such as America, England, Canada, Australia, Russian Federation ect .
FAQ
1. who are we? Are you trading company or manufacturer ?
We are manufacturer.We are based in HangZhou, China, start from 2571,sell to Domestic Market(33.00%),North America(15.00%),South America(10.00%),Western Europe(8.00%),Eastern Europe(6.00%),Souther Europe(6.00%),Southeast Asia(5.00%),Mid East(5.00%),Northern Europe(5.00%),Oceania(2.00%),South Asia(2.00%),Africa(00.00%),Eastern Asia(00.00%),Central America(00.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us?
PTFE Seals/Oil Seals/O Rings/Rubber Seals/Plastic Seals/Mechanical Seal/O-RING/ RING Seals.
4. why should you buy from us not from other suppliers?
Beseals is a professional manufacturer of seals .Our company specializes in the production of PU, PTFE, rubber and metal sealing components
5. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
6.Do you provide samples ?
is it free or extra ? Yes, we could offer the sample for free charge but you need to pay the cost of freight.
7. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Western Union,Escrow; Language
Spoken:English,Chinese,Japanese
For more information, please contact us. We look CHINAMFG to your arrival
Is It Possible to Replace a Shaft Coupling Without Professional Assistance?
Yes, it is possible to replace a shaft coupling without professional assistance, especially if you have some mechanical knowledge and the necessary tools. However, the ease of replacement can vary depending on the type of coupling and the complexity of the equipment. Here are some general steps to guide you through the process:
1. Safety First:
Before starting any work, ensure that the equipment is turned off and disconnected from the power source. Use appropriate personal protective equipment (PPE) to protect yourself from potential hazards.
2. Assess the Coupling Type:
Different types of couplings may have specific installation and removal methods. Identify the type of coupling you need to replace, and consult the manufacturer’s documentation or online resources for guidance.
3. Gather Tools and Materials:
Collect the necessary tools, such as wrenches, sockets, and a puller (if required), to safely remove the old coupling. Have the new coupling ready for installation, ensuring it matches the specifications of the old one.
4. Disassembly:
If your coupling is a split or clamp-style coupling, you may be able to replace it without fully disassembling the connected equipment. Otherwise, you may need to remove other components to access the coupling.
5. Remove Fasteners:
Loosen and remove any fasteners, such as set screws, that secure the old coupling to the shafts. Take care not to damage the shafts during this process.
6. Extraction:
If the old coupling is tightly fitted on the shafts, you may need to use a coupling puller or other appropriate extraction tools to safely remove it.
7. Clean and Inspect:
After removing the old coupling, clean the shaft ends and inspect them for any signs of damage or wear. Also, check for any misalignment issues that may have contributed to the old coupling’s failure.
8. Install New Coupling:
Follow the manufacturer’s instructions for installing the new coupling. Apply appropriate lubrication and ensure the coupling is correctly aligned with the shafts.
9. Fasten Securely:
Tighten the fasteners to the manufacturer’s recommended torque values to securely attach the new coupling to the shafts.
10. Test Run:
After installation, perform a test run of the equipment to ensure the new coupling operates smoothly and without issues.
While it is possible to replace a shaft coupling without professional assistance, keep in mind that some couplings and equipment may require specialized knowledge and tools for safe and proper replacement. If you are uncertain about the process or encounter any difficulties, it is advisable to seek help from a qualified professional or technician to avoid potential damage to the equipment or injury to yourself.
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Do Shaft Couplings Require Regular Maintenance, and if so, What Does it Involve?
Yes, shaft couplings do require regular maintenance to ensure their optimal performance, extend their service life, and prevent unexpected failures. The maintenance frequency may vary based on factors such as the coupling type, application, operating conditions, and the manufacturer’s recommendations. Here’s what regular maintenance for shaft couplings typically involves:
1. Visual Inspection:
Regularly inspect the coupling for signs of wear, damage, or misalignment. Check for cracks, corrosion, and worn-out elastomeric elements (if applicable). Look for any abnormal movement or rubbing between the coupling components during operation.
2. Lubrication:
If the shaft coupling requires lubrication, follow the manufacturer’s guidelines for the appropriate lubricant type and frequency. Lubrication helps reduce friction, wear, and noise in the coupling.
3. Alignment Check:
Monitor shaft alignment periodically. Misalignment can lead to premature coupling failure and damage to connected equipment. Make adjustments as needed to keep the shafts properly aligned.
4. Torque Check:
For bolted couplings, periodically check the torque on the bolts to ensure they remain securely fastened. Loose bolts can lead to misalignment and reduce coupling performance.
5. Replace Worn Components:
If any coupling components show signs of wear or damage beyond acceptable limits, replace them promptly with genuine replacement parts from the manufacturer.
6. Environmental Considerations:
In harsh environments with exposure to chemicals, moisture, or extreme temperatures, take additional measures to protect the coupling, such as applying corrosion-resistant coatings or using special materials.
7. Monitoring Coupling Performance:
Implement a monitoring system to track coupling performance and detect any changes or abnormalities early on. This could include temperature monitoring, vibration analysis, or other condition monitoring techniques.
8. Professional Inspection:
Periodically have the coupling and connected machinery inspected by qualified professionals to identify any potential issues that may not be apparent during regular inspections.
By adhering to a regular maintenance schedule and taking proactive measures to address potential issues, you can ensure that your shaft couplings operate reliably and efficiently throughout their service life, minimizing downtime and improving overall system performance.
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Types of Shaft Couplings and Their Applications in Various Industries
Shaft couplings come in various types, each designed to meet specific application requirements and address different types of misalignment. Here are some common types of shaft couplings and their applications in various industries:
1. Jaw Couplings:
Applications: Jaw couplings are widely used in power transmission applications, including conveyor systems, pumps, compressors, and industrial machinery. They are suitable for moderate torque requirements and provide good misalignment compensation.
2. Gear Couplings:
Applications: Gear couplings are used in heavy-duty industrial applications such as steel mills, paper mills, and mining equipment. They offer high torque capacity and can handle significant misalignments.
3. Disc Couplings:
Applications: Disc couplings are commonly used in precision machinery and automation systems, such as printing presses, machine tools, and robotics. They provide excellent torsional stiffness and are ideal for applications requiring precise positioning.
4. Grid Couplings:
Applications: Grid couplings are used in various industrial applications, including fans, pumps, and compressors. They offer high torque capacity and good shock absorption.
5. Oldham Couplings:
Applications: Oldham couplings are used in applications requiring high misalignment compensation, such as stepper motor drives and motion control systems.
6. Diaphragm Couplings:
Applications: Diaphragm couplings are used in critical applications that demand high torque transmission accuracy, such as aerospace, medical equipment, and semiconductor manufacturing.
7. Elastomeric Couplings:
Applications: Elastomeric couplings, like spider couplings, find applications in general industrial machinery, HVAC systems, and conveyor systems. They provide damping properties and flexibility to accommodate misalignments.
8. Torsionally Rigid Couplings:
Applications: Torsionally rigid couplings are used in applications requiring precise torque transmission, such as precision machining equipment and high-speed spindles.
9. Fluid Couplings:
Applications: Fluid couplings are used in heavy machinery and drivetrains, such as mining equipment, crushers, and marine propulsion systems. They provide smooth acceleration and dampening of shock loads.
10. Magnetic Couplings:
Applications: Magnetic couplings are used in applications where hermetic sealing is required, such as chemical processing, pumps, and mixers. They allow for torque transmission without direct physical contact.
The selection of the appropriate shaft coupling type depends on factors such as torque requirements, speed, misalignment, operating conditions, and the specific needs of the application. Using the right coupling ensures efficient power transmission, protects equipment from misalignment-related issues, and enhances the overall reliability and performance of industrial machinery and systems.
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editor by CX 2023-10-09