Product Description

Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor

 

Description of Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor
>The main body is made of zinc alloy
>The middle elastomer is made of spring steel
>It has the advantages of simple structure, good flexibility, low inertia and less allowable angular deviation
>Easy installation, spring steel more effective compensation radial, shaft deviation
>Suitable for micro motor and encoder
>Fastening method of set screw

 

Catalogue of Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor

 

 

model parameter	common bore diameter d1,d2	ΦD	L	LF	F	M	tightening screw torque (N.M)
GD-16 x27	5,6,6.35,7,8,9,10	16	27	8.5	3	M3	0.7
GD-16 x35	5,6,6.35,7,8,9,10	16	35	12.5	3.5	M4	1.7
GD-26 x50	6,6.35,7,8,9,10,11,12,12.7,14	26	50	17	4.5	M5	4

model parameter	Rated torque(N.m)	Maximum torque(N.M)	maximum speed (rpm)	moment of inertia(Kg.M2)	allowable eccentricity(mm)	allowable deflection angle(°)	weight (g)
GD-16 x27	0.5	1	3000	1.02×10-6	1	8	30
GD-16 x35	0.5	1	3000	1.02×10-6	1	8	70
GD-26 x50	1.5	3	3000	1.15×10-5	1.2	8	130

 

 

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High-Speed Rotations and Signal Accuracy in Encoder Couplings

Encoder couplings are designed to handle high-speed rotations while maintaining accurate signal transmission between the encoder and the driven shaft. Several factors contribute to their ability to achieve this:

1. Precision Manufacturing: Encoder couplings are manufactured with high precision to ensure minimal runout and concentricity errors. This precision minimizes vibrations and ensures accurate signal transmission at high speeds.

2. Low Backlash: Many encoder couplings are designed to have minimal or zero backlash. Backlash refers to the play or movement between the coupling’s mating components. Low backlash reduces signal inaccuracies caused by sudden changes in direction or speed.

3. Balanced Design: Balanced design helps distribute forces and torques evenly across the coupling, reducing the likelihood of vibration-induced signal distortions during high-speed rotations.

4. Material Selection: The choice of materials with suitable mechanical properties plays a role in achieving high-speed performance. Materials with low density and high strength help minimize the coupling’s mass while maintaining structural integrity.

5. Vibration Damping: Some encoder couplings incorporate vibration-damping features, such as elastomeric inserts, to mitigate vibrations and oscillations generated during high-speed rotations.

6. Dynamic Balance: Encoder couplings may undergo dynamic balancing to ensure that any uneven mass distribution is corrected, further reducing vibrations at high speeds.

7. Bearing Support: Proper bearing support on both sides of the encoder coupling helps maintain alignment and reduces stress on the coupling and encoder shaft, enhancing signal accuracy.

Encoder couplings are engineered to offer high-speed capabilities while preserving signal accuracy, making them suitable for applications where precision motion control and signal integrity are critical.

Best Practices for Minimizing Electrical Interference in Encoder Coupling Systems

Electrical interference can adversely affect the performance and accuracy of encoder coupling systems. To minimize such interference and ensure reliable signal transmission, consider the following best practices:

1. Proper Grounding: Ensure that all components in the system are properly grounded to a common ground point. Grounding helps mitigate the buildup of static charges and reduces the risk of electrical noise affecting the encoder signal.
2. Shielding: Use shielded cables for connecting the encoder to the controller. Shielding helps prevent external electromagnetic interference from reaching the signal wires and affecting the encoder output.
3. Separation from Power Lines: Keep encoder cables and signal wires physically separated from high-voltage power lines, motors, and other sources of electromagnetic interference. This reduces the likelihood of induced noise affecting the encoder signal.
4. Ferrite Beads: Employ ferrite beads or chokes on the signal cables near the encoder connection points. Ferrite beads suppress high-frequency noise and can be effective in minimizing electrical interference.
5. Ground Loops: Avoid ground loops, which occur when there are multiple paths for current to flow between different ground points. Ground loops can introduce unwanted noise. Use single-point grounding and minimize ground loop formation.
6. Isolation: Employ isolation techniques, such as optical isolation or transformer-based signal conditioning, to electrically isolate the encoder from the rest of the system. This prevents the propagation of noise between components.
7. EMI Filters: Install electromagnetic interference (EMI) filters on the power supply lines to reduce conducted interference from reaching the encoder. These filters can help maintain clean power and reduce noise.
8. Proper Cable Routing: Ensure that encoder cables are routed away from sources of interference and are kept as short as possible. Avoid sharp bends and kinks in the cables, which can lead to signal degradation.
9. Grounding Practices: Follow proper grounding practices, such as using star grounding and minimizing ground connections. Avoid daisy-chaining ground connections, as this can increase the risk of interference.

Implementing these best practices will help minimize electrical interference and ensure that the encoder coupling system maintains accurate signal transmission, resulting in improved performance and reliability.

Facilitating Precise Signal Transmission with Encoder Couplings

An encoder coupling plays a crucial role in facilitating precise signal transmission between the encoder and the shaft in motion control and automation systems. Here’s how it works:

1. Minimizing Misalignment: Encoder couplings are designed to accommodate various types of misalignment, including angular, axial, and radial misalignment. By allowing controlled flexibility, the coupling minimizes the stress on both the encoder and the shaft, ensuring accurate signal transmission.

2. Reducing Backlash: Backlash is the amount of movement a system can experience before the motion is effectively transferred. High-quality encoder couplings have minimal backlash, ensuring that the encoder’s output accurately corresponds to the shaft’s movement.

3. Increasing Torque Transmission: Encoder couplings provide efficient torque transmission between the encoder and the shaft, allowing the encoder to accurately detect changes in position or speed.

4. Enhancing Response Time: The mechanical properties of the encoder coupling ensure that any changes in the shaft’s position or movement are promptly transmitted to the encoder. This results in a faster response time and more accurate signal feedback.

5. Reducing Signal Disturbances: Vibrations, shocks, and other disturbances in machinery can negatively impact signal accuracy. A well-designed encoder coupling dampens vibrations and disturbances, ensuring that the encoder receives a clean and accurate signal.

6. Compensating for Thermal Expansion: In some applications, temperature changes can cause the shaft and encoder to expand or contract at different rates. Encoder couplings accommodate these thermal variations, preventing signal discrepancies caused by thermal expansion.

Overall, the encoder coupling acts as a reliable intermediary between the encoder and the shaft, ensuring that the signal accurately reflects the shaft’s position, speed, and movement. This precise signal transmission is essential for the accurate control and performance of motion control and automation systems.

editor by CX 2024-04-30