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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Understanding the torque and speed limits for different mechanical coupling types.

The torque and speed limits of mechanical couplings vary depending on their design, materials, and intended applications. Here’s an overview of the torque and speed considerations for different types of mechanical couplings:

1. Rigid Couplings:

Rigid couplings are typically designed for high torque applications. They provide a direct and solid connection between shafts, making them suitable for transmitting substantial torque without introducing significant flexibility. The torque capacity of rigid couplings depends on the material and size, and they are often used in applications with high power requirements.

Rigid couplings can handle high rotational speeds since they lack flexible elements that may cause vibration or resonance at higher speeds. The speed limits are generally determined by the materials’ strength and the coupling’s balanced design.

2. Flexible Couplings:

Flexible couplings are more forgiving when it comes to misalignment and can accommodate some axial, radial, and angular misalignments. The torque capacity of flexible couplings can vary significantly depending on their design and material.

Elastomeric couplings, such as jaw couplings or tire couplings, have lower torque capacities compared to metal couplings like beam couplings or bellows couplings. The speed limits of flexible couplings are generally lower compared to rigid couplings due to the presence of flexible elements, which may introduce vibration and resonance at higher speeds.

3. Gear Couplings:

Gear couplings are robust and suitable for high-torque applications. They can handle higher torque than many other coupling types. The speed limits of gear couplings are also relatively high due to the strength and rigidity of the gear teeth.

4. Disc Couplings:

Disc couplings offer excellent torque capacity due to the positive engagement of the disc packs. They can handle high torque while being compact in size. The speed limits of disc couplings are also relatively high, making them suitable for high-speed applications.

5. Oldham Couplings:

Oldham couplings have moderate torque capacity and are commonly used in applications with moderate power requirements. Their speed limits are generally limited by the strength and design of the materials used.

6. Universal Couplings (Hooke’s Joints):

Universal couplings have moderate torque capacity and are used in applications where angular misalignment is common. The speed limits are determined by the materials and design of the coupling.

It’s important to refer to the manufacturer’s specifications and recommendations to determine the torque and speed limits of a specific mechanical coupling. Properly selecting a coupling that matches the application’s torque and speed requirements is crucial for ensuring reliable and efficient operation in the mechanical system.

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Explaining the impact of mechanical coupling wear on system efficiency.

Mechanical coupling wear can have a significant impact on the efficiency and performance of a mechanical system. As couplings wear over time, several factors come into play that affect the overall efficiency of the system:

1. Loss of Torque Transmission:

As couplings wear, they may develop gaps or play between the mating components. This can result in a loss of torque transmission between the connected shafts. Reduced torque transmission leads to diminished power transfer and can result in inadequate performance of the system, especially in high-torque applications.

2. Misalignment Issues:

Worn couplings may not effectively compensate for misalignments between the connected shafts. Misalignment can cause additional stress on bearings, gears, and other components, leading to increased wear and reduced system efficiency. It can also result in increased vibration and noise, further impacting the system’s performance.

3. Vibration and Resonance:

Wear in flexible couplings can lead to increased vibration and resonance within the system. Excessive vibrations can cause premature failure of components and reduce the overall system efficiency. Vibrations can also create a safety hazard for operators and equipment.

4. Energy Losses:

Worn couplings may introduce energy losses due to friction and slippage. These losses decrease the overall efficiency of the system and result in additional energy consumption to achieve the desired output.

5. Increased Maintenance Costs:

As couplings wear, they may require more frequent maintenance and replacement. The increased downtime for maintenance and the cost of replacing worn couplings can impact the system’s productivity and increase operational expenses.

6. Reduced System Reliability:

Worn couplings are more prone to sudden failures, leading to unplanned downtime. Unreliable systems can disrupt production schedules, affect product quality, and result in lost revenue.

7. Safety Concerns:

Worn couplings can compromise the safety of personnel and equipment. They may lead to unexpected failures, flying debris, or even catastrophic accidents in severe cases.

8. Impact on Product Quality:

In certain industries, like precision manufacturing or aerospace, system efficiency directly affects product quality. Worn couplings can cause inaccuracies, leading to subpar products and potential rework or rejection.

To maintain optimal system efficiency and prevent these issues, it is crucial to perform regular inspections and maintenance of mechanical couplings. Timely replacement of worn couplings and adherence to manufacturer’s guidelines for installation and maintenance can significantly contribute to the overall efficiency, reliability, and safety of the mechanical system.

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How do splined couplings work?

Splined couplings work by using interlocking ridges or teeth on the coupling and the connected shafts to transmit torque while allowing some degree of misalignment and axial movement. The operation of splined couplings can be understood in the following steps:

1. Spline Design:

The coupling and the shafts are machined with matching ridges or teeth along their surfaces. These ridges form the spline. There are various spline designs, including involute splines, straight-sided splines, and serrated splines, each with different tooth profiles and configurations.

2. Engagement:

When the splined coupling is fitted onto the shafts, the ridges on the coupling engage with the corresponding grooves on the shafts, creating a secure and positive connection. The engagement can be internal, where the coupling fits inside the shafts, or external, where the coupling fits over the shafts.

3. Torque Transmission:

When torque is applied to one of the shafts, the ridges on the coupling transmit the torque to the other shaft, allowing rotational motion to be transferred between the two shafts.

4. Misalignment Compensation:

Splined couplings can accommodate a small amount of misalignment between the shafts. This misalignment can be angular, where the shafts are not perfectly aligned, or parallel, where the shafts are slightly offset from each other. The splined design allows the coupling to flex slightly, accommodating these misalignments and reducing stress on the shafts and other components.

5. Axial Movement:

Some spline couplings, such as spline shafts, can also allow for limited axial movement. This axial play is useful in applications where thermal expansion or contraction of the shafts may occur, preventing excessive forces on the system.

Splined couplings are commonly used in precision motion control systems, automotive drivetrains, industrial machinery, and other applications where accurate torque transmission and flexibility in alignment are essential. Proper machining and assembly are critical to ensuring precise engagement and reliable operation of splined couplings in various mechanical systems.

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editor by CX 2024-05-09