Product Description

GW Type Coupling Rigid Shaft Servo Shaft Coupling GW-26X44.5

 

GW Type Coupling Rigid Shaft Servo Shaft Coupling GW-26X44.5

model parameter	common bore diameter d1,d2	ΦD	L	LF	LP	d3	S	tightening screw torque(N.M)
GW-19X34	3,4,5,6,6.35,7,8	19	34	9.1	5.2	Φ9	1.8	1
GW-26X44.5	5,6,6.35,7,8,9,9.525,10,11,12,14	26	44.5	11.65	6.5	Φ12.5	2.6	1.5
GW-32X54	5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15,	32	54	12.25	9.5	Φ15	3.5	1.5
GW-34X58	5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15,16	34	58	14.25	9.5	Φ16	3.5	2.5
GW-39X65.5	8,9,9.525,10,11,12,12.7,14,15,16,17,18,19	39	65.5	14.9	11.2	Φ19.3	4.5	2.5
GW-44X65.5	8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22,24	44	65.5	14.9	11.2	Φ22.5	4.5	2.5
GW-50X80	8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22,24,25	50	80	20.6	12.2	Φ23	4.8	7
GW-56X83	10,12,14,15,16,17,18,19,20,22,24,25,28,30,32	56	83	19.75	13.5	Φ32.5	5.5	7
GW-68X97	12,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38	68	97	23.35	15.7	Φ38.3	6.3	12
GW-82X128	17,18,19,20,22,24,25,28,30,32,35,38,40,42	82	128	30	22	Φ45.5	8	20

 

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Contributing to Accuracy and Repeatability in Motion Systems

Servo couplings play a crucial role in improving the accuracy and repeatability of motion systems by addressing several key factors that influence performance:

• Flexibility and Misalignment Compensation: Servo couplings are designed to be flexible, allowing them to accommodate small misalignments between the motor and the driven load. This flexibility helps prevent mechanical binding and reduces stress on the motor and bearings, ensuring smoother and more accurate motion.
• Backlash Minimization: Backlash is the play or clearance between the mating teeth or elements of a coupling. It can introduce errors in motion systems, leading to inaccuracies and reduced repeatability. Servo couplings, especially zero-backlash types, are engineered to minimize or eliminate backlash, providing precise and immediate response to changes in direction and velocity.
• Inertia Reduction: Inertia refers to the resistance of an object to changes in its state of motion. Servo couplings with low mass and compact designs contribute to reducing the overall inertia in the system. Lower inertia allows for faster acceleration and deceleration, improving the system’s responsiveness and accuracy.
• High Torque Transmission: Servo couplings are capable of transmitting high torque efficiently, ensuring that the motion system can handle the required loads without slippage or power loss. This high torque capacity is vital for maintaining accuracy in high-power applications.
• Vibration Damping: Vibrations can negatively impact the accuracy and repeatability of motion systems. Servo couplings with damping properties can absorb and dampen vibrations, preventing resonance and oscillations that could affect precision.
• Consistent Performance: Servo couplings are manufactured to strict tolerances, ensuring uniformity and consistency in their performance. This uniformity contributes to reliable and repeatable motion control, critical in applications requiring precise positioning and motion.

By addressing these factors, servo couplings enable motion systems to achieve higher levels of accuracy and repeatability, making them suitable for applications such as CNC machining, robotics, semiconductor manufacturing, medical devices, and more. The improved precision and reliability provided by servo couplings lead to higher product quality, increased productivity, and reduced downtime in various industrial processes.

Real-World Examples of Successful Servo Coupling Installations

There are numerous real-world examples where servo couplings have played a vital role in improving performance and reliability in various industrial applications. Here are some successful servo coupling installations:

1. Robotics and Automation: In robotic arms and automated manufacturing systems, servo couplings are used to connect the motor to the joint or the end-effector. They provide precise motion control, allowing robots to perform intricate tasks with accuracy and speed.
2. CNC Machining: CNC machines use servo couplings to connect the motor to the lead screw or ball screw, translating rotary motion into linear motion. This ensures high precision and repeatability in machining operations.
3. Printing and Packaging: Servo couplings are employed in printing presses and packaging machines to drive rollers, feeders, and other components. They enable smooth and synchronized movement, leading to efficient printing and packaging processes.
4. Medical Devices: Servo couplings are utilized in medical devices such as surgical robots, imaging systems, and prosthetic devices. They contribute to precise and controlled movements, enhancing the accuracy of medical procedures and diagnostics.
5. Textile Machinery: Textile manufacturing equipment, such as weaving and knitting machines, employ servo couplings to control the movement of spindles, rollers, and fabric feed systems. This ensures consistent and uniform fabric production.
6. Aerospace Applications: In aircraft and satellite systems, servo couplings are used in control surfaces, antenna positioning systems, and thrust vector control mechanisms. They help achieve precise movements and responsiveness in aerospace operations.
7. Semiconductor Manufacturing: Servo couplings are essential in semiconductor manufacturing equipment for wafer handling, precision alignment, and robotic handling of delicate components.
8. Renewable Energy: Wind turbines and solar tracking systems use servo couplings to adjust the blade pitch or solar panel angle for maximum energy efficiency in changing wind and sunlight conditions.

These examples demonstrate the widespread application of servo couplings across diverse industries, where their flexibility, precision, and reliability have proven crucial for successful operations.

Differences between Rigid, Flexible, and Beam-Type Servo Couplings

Servo couplings come in various designs to suit different motion control applications. Here are the key differences between rigid, flexible, and beam-type servo couplings:

• Rigid Servo Couplings:
• Rigid servo couplings do not have any flexibility or movable parts.
• They provide a solid and direct connection between the servo motor shaft and the driven load.
• These couplings offer excellent torque transmission with minimal backlash.
• Rigid couplings are suitable for applications where precise alignment between the motor and load is achievable.
• They are commonly used in systems that require high torque transmission and minimal motion losses.
• However, rigid couplings cannot compensate for misalignments, making them sensitive to any shaft misalignment, which may cause premature wear and reduce system lifespan.
• Flexible Servo Couplings:
• Flexible servo couplings are designed to accommodate misalignments between the motor and load shafts.
• They have a certain degree of flexibility, allowing them to bend or deform slightly to compensate for angular, axial, and parallel misalignments.
• Flexible couplings offer improved misalignment compensation compared to rigid couplings.
• They help reduce stress on bearings and other sensitive components, increasing the system’s reliability and lifespan.
• Flexible couplings are suitable for applications with moderate misalignments and where some level of damping or vibration absorption is required.
• However, flexible couplings may introduce some backlash and have lower torsional rigidity compared to rigid couplings.
• Beam-Type Servo Couplings:
• Beam-type servo couplings are a subtype of flexible couplings and are known for their helical beam design.
• They offer multi-directional flexibility, allowing them to handle angular, axial, and parallel misalignments.
• Beam couplings provide excellent torsional stiffness, making them ideal for high-speed and high-precision applications.
• These couplings have low inertia, reducing the impact on the motor’s acceleration and deceleration capabilities.
• Beam-type couplings are commonly used in applications that require both precise motion control and flexibility for misalignment compensation.
• However, beam couplings have limited torque capacity compared to some other flexible coupling designs.

Choosing the right servo coupling depends on the specific needs of the motion control system. Rigid couplings are ideal for applications with perfect alignment, while flexible and beam-type couplings are suitable for applications with misalignments and where damping, vibration absorption, and motion control precision are critical.

editor by CX 2024-02-16