Product Description
GR-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew Coupling
Description of GR-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew 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-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew 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 |
/* 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 Be Used in Both Horizontal and Vertical Shaft Arrangements?
Yes, rigid couplings can be used in both horizontal and vertical shaft arrangements. Rigid couplings are designed to provide a solid, non-flexible connection between two shafts, making them suitable for various types of shaft orientations.
Horizontal Shaft Arrangements: In horizontal shaft arrangements, the two shafts are positioned parallel to the ground or at a slight incline. Rigid couplings are commonly used in horizontal setups as they efficiently transmit torque and maintain precise alignment between the shafts. The horizontal orientation allows gravity to aid in keeping the coupling elements securely in place.
Vertical Shaft Arrangements: In vertical shaft arrangements, the two shafts are positioned vertically, with one shaft above the other. This type of setup is often found in applications such as pumps, compressors, and some gearboxes. Rigid couplings can also be used in vertical shaft arrangements, but additional considerations must be taken into account:
- Keyless Design: To accommodate the vertical orientation, some rigid couplings have a keyless design. Traditional keyed couplings may experience issues with keyway shear due to the force of gravity on the key, especially in overhung load situations.
- Set Screw Tightening: When installing rigid couplings in vertical shaft arrangements, set screws must be tightened securely to prevent any axial movement during operation. Locking compound can also be used to provide additional security.
- Thrust Load Considerations: Vertical shaft arrangements may generate thrust loads due to the weight of the equipment and components. Rigid couplings should be chosen or designed to handle these thrust loads to prevent axial displacement of the shafts.
It’s essential to select a rigid coupling that is suitable for the specific shaft orientation and operating conditions. Proper installation and alignment are critical for both horizontal and vertical shaft arrangements to ensure the rigid coupling’s optimal performance and reliability.
Can Rigid Couplings Be Used in Applications with Varying Operating Temperatures?
Rigid couplings are versatile mechanical components that can be used in a wide range of applications, including those with varying operating temperatures. However, the selection of the appropriate material for the rigid coupling is crucial to ensure its reliable performance under different temperature conditions.
Material Selection: The choice of material for the rigid coupling depends on the specific operating temperature range of the application. Common materials used in manufacturing rigid couplings include steel, stainless steel, and aluminum, among others. Each material has its own temperature limitations:
– Steel: Rigid couplings made from steel are suitable for applications with moderate to high temperatures. Steel couplings can handle temperatures ranging from -40°C to around 300°C, depending on the specific grade of steel used.
– Stainless Steel: Stainless steel rigid couplings offer higher corrosion resistance and can be used in applications with more demanding temperature environments. They can withstand temperatures from -80°C to approximately 400°C.
– Aluminum: Aluminum rigid couplings are commonly used in applications with lower temperature requirements, typically ranging from -50°C to around 120°C.
Thermal Expansion: When selecting a rigid coupling for an application with varying temperatures, it is essential to consider thermal expansion. Different materials have different coefficients of thermal expansion, meaning they expand and contract at different rates as the temperature changes. If the operating temperature fluctuates significantly, the thermal expansion of the rigid coupling and the connected components must be carefully accounted for to avoid issues with misalignment or binding.
Extreme Temperature Environments: For applications with extremely high or low temperatures beyond the capabilities of traditional materials, specialized high-temperature alloys or composites may be required. These materials can withstand more extreme temperature conditions but may come with higher costs.
Lubrication: The choice of lubrication can also play a role in the suitability of rigid couplings for varying temperature applications. In high-temperature environments, consideration should be given to using high-temperature lubricants that can maintain their effectiveness and viscosity at elevated temperatures.
In conclusion, rigid couplings can indeed be used in applications with varying operating temperatures, but careful material selection, consideration of thermal expansion, and appropriate lubrication are essential to ensure reliable and efficient performance under changing temperature conditions.
Materials Used in Manufacturing Rigid Couplings:
Rigid couplings are designed to provide a strong and durable connection between two shafts, and they are commonly made from a variety of materials to suit different applications. The choice of material depends on factors such as the application’s environment, load capacity, and cost considerations. Some common materials used in manufacturing rigid couplings include:
- 1. Steel: Steel is one of the most widely used materials for rigid couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications, including industrial machinery, automotive systems, and power transmission.
- 2. Stainless Steel: Stainless steel couplings are used in applications where corrosion resistance is crucial. They are well-suited for environments with high humidity, moisture, or exposure to chemicals. Stainless steel couplings are commonly used in food processing, pharmaceuticals, marine, and outdoor applications.
- 3. Aluminum: Aluminum couplings are known for their lightweight and corrosion-resistant properties. They are often used in applications where weight reduction is essential, such as aerospace and automotive industries.
- 4. Brass: Brass couplings offer good corrosion resistance and are commonly used in plumbing and water-related applications.
- 5. Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications and machinery.
- 6. Bronze: Bronze couplings are known for their excellent wear resistance and are often used in applications involving heavy loads and low speeds.
- 7. Plastics: Some rigid couplings are made from various plastics, such as nylon or Delrin. Plastic couplings are lightweight, non-conductive, and suitable for applications where electrical insulation is required.
It’s essential to consider the specific requirements of the application, including factors like load capacity, operating environment, and cost, when choosing the appropriate material for a rigid coupling. The right material selection ensures that the coupling can withstand the forces and conditions it will encounter, resulting in a reliable and long-lasting connection between the shafts.
editor by CX 2024-04-12
China supplier Gr-55X57 Aluminum Alloy Gr Rigid Shaft Coupling Bellows Setscrew Coupling
Product Description
GR-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew Coupling
Description of GR-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew 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-55×57 Aluminum Alloy GR Rigid Shaft Coupling Bellows Setscrew 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 |
/* 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
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.
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 2024-03-27