Product Description
GR-40×51 GR Drive Shaft Coupling Flexible Shaft Coupling Flexible Coupling
Description of GR-40×51 GR Drive Shaft Coupling Flexible Shaft Coupling Flexible 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-40×51 GR Drive Shaft Coupling Flexible Shaft Coupling Flexible Coupling
|
model parameter |
common bore diameter d1,d2 |
ΦD |
L |
LI |
L2 |
L3 |
N |
F |
tightening screw torque |
|
GR-16×27 |
4,5,6,6.35,7,8 |
16 |
27 |
7.5 |
2 |
8 |
13.5 |
3 |
0.7 |
|
GR-20×32 |
5,6,6.35,7,8,9,9.525,10,11,12 |
20 |
32 |
7.2 |
2.8 |
12 |
18 |
3.5 |
0.7 |
|
GR-22.5×34 |
5,6,6.35,7,8,9,9.525,10,11,12 |
22.5 |
34 |
8.05 |
2.8 |
12.3 |
20.2 |
4.5 |
1.7 |
|
GR-25×37 |
6,6.35,7,8,9,9.525,10,11,12 |
25 |
37 |
9.5 |
3 |
12 |
20.2 |
4.5 |
1.7 |
|
GR-32×42 |
8,9,10,11,12,12.7,14,15 |
32 |
42 |
8 |
4 |
18 |
27.2 |
5.5 |
4 |
|
GR-40×51 |
8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20 |
40 |
51 |
9.5 |
6 |
20 |
34.5 |
5.5 |
4 |
|
GR-55×57 |
10,11,12,12.7,14,15,16,17,18,19,20,22,24,25 |
55 |
57 |
9 |
6 |
27 |
51.9 |
6.25 |
7 |
|
GR-65×81 |
10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38 |
65 |
81 |
19.5 |
7 |
28 |
60.5 |
8.9 |
7 |
|
model parameter |
Rated torque(N.m) |
allowable eccentricity (mm) |
allowable deflection angle (°) |
allowable axial deviation (mm) |
maximum speed (rpm) |
static torsional stiffness (N.M/rad) |
weight (g) |
|
GR-16×27 |
0.8 |
0.1 |
2 |
-0.8 |
20000 |
150 |
8 |
|
GR-20×32 |
1.5 |
0.1 |
2 |
-1.2 |
18000 |
220 |
13 |
|
GR-22.5×34 |
1.8 |
0.15 |
2 |
-1.2 |
16000 |
300 |
22 |
|
GR-25×37 |
2 |
0.15 |
2 |
-1.2 |
15000 |
330 |
30 |
|
GR-32×42 |
2.5 |
0.2 |
2 |
-1.7 |
11000 |
490 |
53 |
|
GR-40×51 |
6.4 |
0.3 |
2 |
-1.7 |
10000 |
530 |
85 |
|
GR-55×57 |
12 |
0.3 |
2 |
-1.7 |
9000 |
860 |
170 |
|
GR-65×81 |
18 |
0.2 |
2 |
-1.8 |
4500 |
900 |
280 |
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What are the Temperature and Speed Limits for Different Drive Coupling Types?
The temperature and speed limits for different drive coupling types vary based on their design, materials, and intended applications. Here are some general guidelines for temperature and speed limits for common drive coupling types:
- Elastomeric Couplings: Elastomeric couplings, which use rubber or elastomer elements, typically have temperature limits ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for elastomeric couplings are generally up to 5000 RPM, but this can vary depending on the coupling size and design.
- Grid Couplings: Grid couplings are designed to handle higher torque and speed requirements. They often have temperature limits between -20°C to 100°C (-4°F to 212°F). The speed limits for grid couplings can range from 5000 to 8000 RPM, depending on the coupling size and grid material.
- Gear Couplings: Gear couplings are known for their high torque capacity and can operate at higher temperatures. Their temperature limits typically range from -20°C to 150°C (-4°F to 302°F). The speed limits for gear couplings can vary widely based on the coupling’s size and design, with some models capable of operating at speeds up to 10,000 RPM or higher.
- Chain Couplings: Chain couplings are suitable for heavy-duty applications. They often have temperature limits between -20°C to 150°C (-4°F to 302°F) depending on the chain material. The speed limits for chain couplings can range from 1500 to 6000 RPM, depending on the chain type and size.
It’s essential to consider the operating environment, load conditions, and coupling material when determining the suitable temperature and speed limits for a specific application. Exceeding the recommended limits can lead to premature wear, reduced performance, and potential coupling failure.
Manufacturers of drive couplings provide detailed specifications and operating guidelines for their products. It’s crucial to consult the manufacturer’s documentation to ensure that the selected coupling is suitable for the intended application and operating conditions.
How to Select the Right Drive Coupling for Specific Torque and Speed Requirements
Choosing the appropriate drive coupling for specific torque and speed requirements is essential to ensure reliable and efficient power transmission in mechanical systems. Here are the steps to help you make the right selection:
- Identify Torque and Speed Parameters: Determine the maximum and minimum torque values that the coupling will experience during operation. Also, establish the required operating speed range.
- Consider the Application: Evaluate the application’s characteristics, such as the nature of the driven equipment, the presence of shock loads, vibrations, and misalignments. Different applications may require different coupling types and designs.
- Calculate Service Factor: Apply a service factor to the calculated torque to account for any variations in the load during operation. The service factor typically ranges from 1.2 to 2, depending on the application’s demands.
- Choose the Coupling Type: Based on the torque, speed, and application requirements, select the appropriate coupling type. Common coupling types include elastomeric couplings, grid couplings, gear couplings, and metallic disc couplings.
- Torsional Stiffness and Damping: Consider the desired level of torsional stiffness and damping based on the application’s need for rigidity and vibration absorption. High-speed applications may require couplings with good damping characteristics to prevent resonance.
- Temperature and Environment: Take into account the operating temperature and environmental conditions. Extreme temperatures or corrosive environments may require specific coupling materials or coatings.
- Alignment and Misalignment Tolerance: Assess the alignment capabilities of the coupling. Flexible couplings can accommodate misalignments, while rigid couplings require precise alignment.
- Space Limitations: Consider any spatial constraints for coupling installation. Some couplings may have compact designs suitable for confined spaces.
- Budget and Maintenance: Factor in the initial cost and ongoing maintenance requirements of the coupling. While some couplings may have higher upfront costs, they might offer longer service life and lower maintenance expenses.
- Consult with Manufacturers: Reach out to coupling manufacturers or specialists to discuss your specific requirements. They can provide expert advice and recommend suitable couplings for your application.
By carefully evaluating torque and speed requirements, considering the application’s characteristics, and selecting a coupling that matches the demands of the system, you can ensure optimal performance and longevity of the power transmission setup.
Advantages of Using Drive Couplings in Automotive Systems
Drive couplings play a critical role in automotive systems, contributing to the efficient and reliable operation of various components. They are used in several applications within vehicles, providing several advantages that enhance performance, comfort, and safety. Here are some of the key advantages of using drive couplings in automotive systems:
- Smooth Power Transmission: Drive couplings efficiently transmit power from the engine to different automotive components, such as the transmission, differential, and wheels. They provide a smooth power transfer, reducing energy losses and ensuring optimal performance.
- Shock Absorption: Automotive drive couplings with flexible elements, such as elastomeric materials or metal discs, absorb shocks and vibrations caused by road irregularities. This helps improve the overall comfort of the vehicle and reduces wear on drivetrain components.
- Misalignment Compensation: Misalignments can occur due to chassis flexing or other factors in automotive systems. Drive couplings with flexible elements can accommodate these misalignments, reducing stress on the connected components and extending their lifespan.
- Noise and Vibration Reduction: By dampening vibrations and noise, drive couplings contribute to a quieter and more pleasant driving experience for passengers.
- Energy Efficiency: Drive couplings ensure efficient power transmission, which is essential for maximizing fuel economy and reducing emissions in modern vehicles.
- Protection of Expensive Components: Drive couplings act as protective components by isolating the drivetrain from shocks and torque spikes. This helps prevent damage to more expensive components like the transmission and differential.
- Adaptability to Different Configurations: Automotive drive couplings are available in various designs and sizes, allowing manufacturers to adapt them to different vehicle configurations and drivetrain layouts.
- Reliability and Longevity: Properly designed and maintained drive couplings have a long service life, contributing to the overall durability and reliability of the vehicle.
- Safety Enhancement: In certain situations, such as during sudden accelerations or decelerations, drive couplings help maintain stable power delivery, thus contributing to better vehicle handling and control.
- Less Wear and Tear: By absorbing shocks and reducing vibrations, drive couplings reduce wear and tear on drivetrain components, leading to reduced maintenance requirements and longer component life.
In summary, drive couplings are essential components in automotive systems that provide numerous advantages, including smooth power transmission, shock absorption, misalignment compensation, noise reduction, energy efficiency, and increased safety. These advantages contribute to the overall performance, comfort, and longevity of vehicles in various driving conditions.
editor by CX 2024-03-06
