Product Description

GIC Spline Shaft Coupling Motor Couplings

Description of GIC Spline Shaft Coupling Motor Couplings
>Integrated structure, the overall use of high-strength aluminum alloy materials
>Elastic action compensates radial, angular and axial deviation
>No gap shaft and sleeve connection, suitable for CHINAMFG and reverse rotation
>Designed for encoder and stepper motor
>Fastening method of clamping screw

 

Catalogue of GIC Spline Shaft Coupling Motor Couplings

 

 

model parameter	common bore diameter d1,d2	ΦD	L	L1	L2	F	M	tightening screw torque (N.M)
GIC-12xl8.5	2,3,4,5,6	12	18.5	0.55	1.3	2.5	M2.5	1
GIC-16xl6	3,4,5,6,6.35	16	16	0.55	1.4	3.18	M2.5	1
GIC-16×23	3,4,5,6,6.35	16	23	0.55	1.4	3.18	M2.5	1
GIC-19×23	3,4,5,6,6.35,7,8	19	23	0.55	1.4	3.18	M2.5	1
GIC-20×20	4,5,6,6.35,7,8,10	20	20	0.55	1.5	3.75	M2.5	1
GIC-20×26	4,5,6,6.35,7,8,10	20	26	0.55	1.5	3.75	M3	1.5
GIC-25×25	5,6,6.35,7,8,9,9.525,10,11,12	25	25	0.6	1.7	4.84	M3	1.5
GIC-25×31	5,6,6.35,7,8,9,9.525,10,11,12	25	31	0.6	1.8	4.46	M3	1.5
GIC-28.5×38	6,6.35,8,9,9.525,10,11,12,12.7,14	28.5	38	0.8	2.1	5.62	M4	2.5
GIC-32×32	8,9,9.525,10,11,12,12.7,14,15,16	32	32	0.8	2.3	6.07	M4	2.5
GIC-32×41	8,9,9.525,10,11,12,12.7,14,15,16	32	41	0.8	2.3	6.02	M4	2.5
GIC-38×41	8,9,9.525,10,11,12,14,15,16,17,18,19	38	41	0.8	2.7	5.32	M5	7
GIC-40×50	8,9,9.525,10,11,12,14,15,16,17,18,19,20	40	50	0.8	2.7	6.2	M5	7
GIC-40×56	8,10,11,12,12.7,14,15,16,17,18,19,20	40	56	0.8	2.7	8.5	M5	7
GIC-42×50	10,11,12,12.7,14,15,16,17,18,19,20,22,24	42	50	0.8	2.7	6.2	M5	7
GIC-50×50	10,12,12.7,14,15,16,17,18,19,20,22,24,25,28	50	50	0.8	2.9	7.22	M6	12
GIC-50×71	10,12,12.7,14,15,16,17,18,19,20,222425,28	50	71	0.8	3.3	8.5	M6	12

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)
GIC-12xl8.5	0.5	0.1	2	±0.2	11000	60	4.8
GIC-16xl6	0.5	0.1	2	±0.2	10000	80	8
GIC-16×23	0.5	0.1	2	±0.2	9500	80	9.3
GIC-19×23	1	0.1	2	±0.2	9500	80	13
GIC-20×20	1	0.1	2	±0.2	10000	170	14
GIC-20×26	1	0.1	2	±0.2	7600	170	16.5
GIC-25×25	2	0.15	2	±0.2	6100	780	26
GIC-25×31	2	0.15	2	±0.2	6100	380	29
GIC-28.5×38	3	0.15	2	±0.2	5500	400	51
GIC-32×32	4	0.15	2	±0.2	5000	1100	56
GIC-32×41	4	0.15	2	±0.2	500	500	65
GIC-38×41	6.5	0.2	2	±0.2	650	650	107
GIC-40×50	6.5	0.2	2	±0.2	600	650	135
GIC-40×56	8	0.2	2	±0.2	800	800	142
GIC-42×50	8.5	0.2	2	±0.2	800	850	135
GIC-50×50	20	0.2	2	±0.2	1000	1000	220
GIC-50×71	20	0.2	2	±0.2	1000	1000	330

 

 

 

 

 

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What are the best practices for installing a mechanical coupling correctly?

Proper installation of a mechanical coupling is essential to ensure its optimal performance and prevent premature failure. Follow these best practices when installing a mechanical coupling:

1. Clean the Shaft Ends:

Before installation, ensure that the shaft ends are clean and free from dirt, debris, and any old coupling remnants. Clean the shafts using a suitable solvent if necessary.

2. Verify Shaft and Bore Dimensions:

Check the dimensions of the shaft and bore to ensure they match the coupling’s specifications. Ensure that the shaft and bore diameters, keyway sizes, and lengths are correct for the specific coupling.

3. Lubricate Contact Surfaces:

Apply a thin layer of appropriate lubricant to the contact surfaces of the shaft and coupling bore. This helps in easy installation and minimizes the risk of galling or damage during assembly.

4. Align Shaft and Coupling:

Align the shafts and coupling properly before installing. Avoid forcing the coupling onto the shaft; it should slide smoothly into position.

5. Use Proper Installation Tools:

Use the recommended installation tools or methods provided by the coupling manufacturer. Using improper tools may lead to damage or misalignment of the coupling.

6. Tighten Fasteners Gradually and Evenly:

If the coupling uses set screws, bolts, or any fasteners, tighten them gradually and evenly in a criss-cross pattern. This ensures uniform distribution of pressure and prevents distortion.

7. Check for Proper Keyway Fit:

If the coupling utilizes keyways, ensure that the keys fit snugly into both the shaft and the coupling keyway to prevent movement or slippage.

8. Verify Proper Torque:

If the coupling requires a specific torque value for installation, use a torque wrench to achieve the correct tightening. Avoid over-torquing as it may damage the coupling or cause premature wear.

9. Inspect for Runout and Alignment:

After installation, inspect the coupling for runout and alignment. Verify that the shafts are concentric and parallel, as misalignment can lead to premature coupling failure.

10. Conduct Regular Inspections:

Perform regular inspections and maintenance of the coupling during its operational life. Check for signs of wear, misalignment, or damage and address any issues promptly.

Adhering to these best practices ensures that the mechanical coupling is installed correctly and operates as intended. Proper installation increases the coupling’s longevity, minimizes the risk of downtime, and contributes to the overall efficiency and reliability of the mechanical system.

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How to troubleshoot common issues with mechanical couplings and their solutions?

Mechanical couplings may experience various issues during their operational life. Identifying and troubleshooting these issues promptly is essential to ensure the optimal performance and reliability of the mechanical system. Here are some common coupling problems and their solutions:

1. Misalignment:

Issue: Misalignment between the connected shafts can lead to premature wear, vibration, and reduced efficiency.

Solution: Check and adjust the alignment of the shafts. Properly align the coupling using shims or adjustable couplings to eliminate misalignment. Regularly inspect and correct any misalignment to avoid further issues.

2. Excessive Vibration:

Issue: Excessive vibration can result from misalignment, worn components, or resonance within the system.

Solution: Inspect the coupling for signs of wear, corrosion, or misalignment. Replace worn or damaged components and ensure proper alignment. If resonance is causing vibrations, consider dampening solutions or changing the coupling type to one better suited to the application.

3. Overheating:

Issue: Overheating of the coupling may occur due to excessive friction or inadequate lubrication.

Solution: Check the coupling for proper lubrication and use the recommended lubricant as per the manufacturer’s guidelines. Ensure that the coupling is not overloaded, as excessive torque can lead to overheating. Reduce the load or choose a higher torque-rated coupling if necessary.

4. Backlash:

Issue: Backlash, also known as play or free movement between the coupling components, can affect precision and accuracy in certain applications.

Solution: For applications requiring minimal backlash, choose couplings with low or zero backlash characteristics, such as gear couplings or servo couplings. Regularly inspect and replace worn or damaged components that may contribute to increased backlash.

5. Noise:

Issue: Unusual noises, such as clanking or rattling, may indicate misalignment, worn components, or improper installation.

Solution: Conduct a thorough inspection of the coupling and associated components. Correct any misalignment, replace worn parts, and verify proper installation. Ensure that all fasteners are properly tightened.

6. Premature Wear:

Issue: Premature wear of coupling components can lead to reduced coupling life and system reliability.

Solution: Regularly inspect the coupling for signs of wear and damage. Implement a preventive maintenance program with scheduled inspections and lubrication. Follow the manufacturer’s guidelines for maintenance and installation to maximize the coupling’s lifespan.

By promptly addressing these common issues and implementing appropriate solutions, the mechanical system can operate smoothly, efficiently, and reliably with minimal downtime and maintenance requirements.

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What is a spline coupling?

A spline coupling is a type of mechanical coupling used to connect two shafts, allowing torque transmission between them while allowing a small amount of relative movement or misalignment. The term “spline” refers to the ridges or teeth on the coupling’s inner or outer surface, which engage with corresponding ridges or grooves on the shafts.

Spline couplings are commonly used in applications where precise torque transmission, rotational alignment, and axial movement are required. They offer several advantages:

1. Torque Transmission:

By using the interlocking ridges or teeth, spline couplings provide a secure connection between the shafts, ensuring efficient torque transfer from one shaft to the other.

2. Misalignment Compensation:

Spline couplings can accommodate a small amount of angular and parallel misalignment between the connected shafts, allowing flexibility in the mechanical system and reducing stress on bearings and other components.

3. Axial Movement:

Some spline couplings, such as spline shafts, allow limited axial movement, making them suitable for applications where shafts may experience thermal expansion or contraction.

4. High Precision:

Spline couplings provide high precision and repeatability in motion control applications. They are commonly used in robotics, machine tools, and automotive transmissions.

5. Different Types:

There are various types of spline couplings, including involute splines, straight-sided splines, and serrated splines, each with different designs and applications.

It is important to note that spline couplings require precise machining and assembly to ensure proper engagement and torque transmission. They are typically used in applications where high torque, precision, and flexibility are necessary for the system’s performance.

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editor by CX 2024-03-05