Product Description

GLT-68×74 GLT Double Diaphragm Flexible Shaft Coupling For Shaft Encoder Step Motor

Description of GLT-68×74 GLT Double Diaphragm Flexible Shaft Coupling For Shaft Encoder Step Motor
>High torque rigidity, can accurately control the rotation of the shaft, can carry out high-precision control
>Designed for servo and stepping motor
>No gap between the shaft and sleeve connection, general for positive and negative rotation
>Low inertia, suitable for high speed operation
>The diaphragm is made of spring steel with excellent fatigue resistance

 

Catalogue of GLT-68×74 GLT Double Diaphragm Flexible Shaft Coupling For Shaft Encoder Step Motor

 

 

model parameter

common bore diameter d1,d2

ΦD

ΦN

L

LF

d3

LP

S

tightening screw torque
(N.M)

GLT-34×37.5

5,6,6.35,7,8,9,9.525,10,11,12,

34

21.6

37.5

12.15

Φ16

6.8

3.2

1.5

GLT-39×48

6,8,9,9.525,10,11,12,12.7,14,15

39

25

48

15.15

Φ19

9.3

4.5

2.5

GLT-44×48

6,8,9,9.525,10,11,12,12.7,14,15,16,17,18

44

29.6

48

15.15

Φ22.5

9.3

4.2

2.5

GLT-56×61

10,12,12.7,14,15,16,17,18,19,20,22,24

56

38

61

19.9

Φ32.5

10.8

5.2

7

GLT-68×74

14,15,16,17,18,19,20,22,24,25,28,30

68

46

74

24

Φ38.3

14

6

12

GLT-82×98

17,18,19,20,22,24,25,28,30,32,35,38

82

56

98

30.15

Φ45

22.3

7.7

20

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)

GLT-34×37.5

2

0.12

1.5

±0.18

10000

2200

49

GLT-39×48

4.5

0.15

1.5

±0.23

10000

4500

85

GLT-44×48

6.75

0.17

1.5

±0.27

10000

5500

107

GLT-56×61

20

0.17

1.5

±0.36

10000

11000

196

GLT-68×74

50

0.18

1.5

±0.4

9000

23000

375

GLT-82×98

90

0.18

1.5

±0.5

8000

38000

645

 

 

shaft coupling

Crucial Industries and Applications for Encoder Couplings

Encoder couplings play a vital role in various industries and applications that require precise motion control and accurate signal transmission. Some examples include:

1. CNC Machining: In computer numerical control (CNC) machining, encoder couplings ensure accurate positioning of machine axes, resulting in precise and intricate machining of complex parts.

2. Robotics: Robotic systems rely on encoder couplings to enable precise movement control of robotic arms, ensuring accurate positioning and manipulation of objects in industries such as manufacturing and healthcare.

3. Semiconductor Manufacturing: In the semiconductor industry, encoder couplings are crucial for aligning and controlling the movement of wafer handling systems, which are essential for producing microchips and electronic components.

4. Printing and Packaging: In printing and packaging machinery, encoder couplings ensure precise control of printing heads, paper feeding, and packaging processes, resulting in high-quality and consistent output.

5. Medical Equipment: Encoder couplings are used in medical equipment such as imaging devices, robotic surgery systems, and diagnostic equipment to enable accurate and controlled movement for medical procedures.

6. Aerospace and Defense: In aerospace applications, encoder couplings are employed in aircraft control systems, radar systems, and satellite positioning systems, ensuring precise navigation and communication.

7. Automated Assembly Lines: Industries using automated assembly lines, such as automotive manufacturing, rely on encoder couplings to synchronize the movement of conveyor belts, robotic arms, and other components.

8. Laboratory Automation: In laboratory settings, encoder couplings contribute to the precise movement of instruments and devices for sample handling, analysis, and testing.

These examples illustrate the wide range of industries and applications where encoder couplings are crucial for achieving accurate motion control and maintaining signal integrity.

shaft coupling

Enhancing Accuracy and Reliability of Position and Velocity Measurements with Encoder Couplings

Yes, encoder couplings play a significant role in enhancing the accuracy and reliability of position and velocity measurements in various applications. Here’s how they contribute:

  • Direct Signal Transmission: Encoder couplings directly connect the encoder to the shaft, ensuring that the rotational position and velocity information is accurately transmitted without delays or signal degradation.
  • Minimized Signal Interference: Encoder couplings are designed to minimize electrical interference and noise, which could otherwise affect the accuracy of signal readings. This leads to more precise measurements of position and velocity.
  • Backlash Reduction: Encoder couplings with low backlash ensure that any reversals in direction are accurately captured, resulting in improved accuracy in both position and velocity measurements.
  • Elimination of Misalignment Errors: By compensating for angular misalignment between shafts, encoder couplings eliminate errors caused by misalignment, ensuring that the measured position and velocity data correspond accurately to the actual motion.
  • Consistent Signal Quality: Encoder couplings maintain a consistent signal quality even in dynamic conditions, such as rapid changes in direction or speed. This consistency leads to reliable and accurate measurements.
  • High Precision Applications: In applications requiring high precision, such as robotics, CNC machinery, or scientific instruments, encoder couplings ensure that even minor discrepancies in position and velocity are minimized.
  • Long-Term Stability: Encoder couplings provide stable and repeatable measurements over time, ensuring that the accuracy and reliability of position and velocity data are maintained throughout the equipment’s lifespan.

In conclusion, encoder couplings significantly enhance the accuracy and reliability of position and velocity measurements by directly transmitting signals, reducing interference, compensating for misalignment, and providing consistent signal quality.

shaft coupling

Choosing an Encoder Coupling: Key Considerations

When selecting an encoder coupling for a particular motion control or automation setup, several factors should be carefully considered:

1. Type of Misalignment: Identify the types of misalignment your system may encounter, such as angular, axial, or radial misalignment. Choose an encoder coupling that can effectively compensate for the specific misalignment your application might experience.

2. Torque and Load: Calculate the maximum torque and load that the coupling will need to transmit. Ensure that the selected coupling is rated to handle these loads without compromising performance or accuracy.

3. Backlash: Evaluate the allowable backlash based on the precision required for your application. Choose a coupling with minimal backlash to ensure accurate signal transmission.

4. Response Time: For applications requiring rapid changes in position or speed, select an encoder coupling with a low torsional stiffness. This enhances the response time of the system and ensures timely signal transmission.

5. Environmental Conditions: Consider the operating environment, including factors like temperature, humidity, and exposure to contaminants. Choose a coupling material that can withstand the environmental conditions without degradation.

6. Shaft Size and Diameter: Ensure that the coupling is compatible with the shaft size and diameter of both the encoder and the driven component. Proper sizing prevents slippage and ensures efficient signal transmission.

7. Radial and Axial Runout: Evaluate the allowable radial and axial runout to prevent unnecessary stress on the coupling and encoder. Choosing a coupling that accommodates these factors contributes to a longer service life.

8. Space Limitations: If your setup has limited space, choose a compact and lightweight encoder coupling that can fit within the available dimensions without hindering other components.

9. Material Compatibility: Consider the compatibility of the coupling material with both the encoder and the driven component. This is particularly important if the coupling will be exposed to chemicals or other substances.

10. Installation and Maintenance: Select a coupling that is easy to install and maintain. This helps reduce downtime during installation and ensures the longevity of the coupling.

By carefully evaluating these factors, you can choose the most suitable encoder coupling for your specific motion control or automation application, ensuring optimal performance and accuracy.

China best Glt-68X74 Glt Double Diaphragm Flexible Shaft Coupling for Shaft Encoder Step Motor  China best Glt-68X74 Glt Double Diaphragm Flexible Shaft Coupling for Shaft Encoder Step Motor
editor by CX 2023-10-19