Product Description

Flexible Coupling, High Quality Jaw Coupling

 
Application: 
1.LT type shaft coupling with elastic sleeve and pin are widely used in various mechanical and hydraulic fields, can adapt positive and negative changeful start frequent occasions.
2.Printing machinery / Packing machinery / Wood-working machinery etc large-scale mechanical equipment.

Design feature:
1.Because of elastic sleeve distortion and the teeth clearance between ring holes of half-coupling,the coupling has some compensatory of relativity shir and isolation properties.
2.Working temperature is -20ºC~+70ºC.
3.The marking method of Keyway forms and shaft holes size must be in accord with GB/T3852-1997.

Basic Parameter And Main Dimension(GB/T4323-2002)

Type Nominal torque
N·m
Speed
rpm
Bore diameter (mm)
d1,d2,dz
Length of bore(mm) D A S Limited compensation Mass
kg
Rotary
Inertia
kg·m2
Y Type J,J1,Z Type Radial
mm
Angle
Iron Steel Iron Steel L L1 L   mm          
LT1 6.3 6600 8800 9 9 20 14   71 18 3 0.2 1°30´ 0.82 0.0005
10,11 10,11 25 17
12 12,14 32 20
LT2 16 5500 7600 12,14 12,14 32 20   80 18 3 0.2 1°30´ 1.20 0.0008
16 16,18,19 42 30 42
LT3 31.5 4700 6300 16,18,19 16,18,19 42 30 42 95 35 4 0.2 1°30´ 2.20 0.571
20 20,22 52 38 52
LT4 63 4200 5700 20,22,24 20,22,24 52 38 52 106 35 4 0.2 1°30´ 2.84 0.0037
25,28 62 44 62
LT5 125 3600 4600 25,28 25,28 62 44 62 130 45 5 0.3 1°30´ 6.05 0.012
30,32 30,32,35 82 60 82
LT6 250 3300 3800 30,35,38 32,35,38 82 60 82 160 45 5 0.3 1°00´ 9.57 0.571
40 40,42 112 84 112
LT7 500 2800 3600 40,42,45 40,42,45,48 112 84 112 190 45 5 0.3 1°00´ 14.01 0.055
LT8 710 2400 3000 45,48,50,55 45,48,50,55,56 112 84 112 224 65 6 0.4 1°00´ 23.12 0.1340
60,63 142 107 142
LT9 1000 2100 2850 50,55,56 50,55,56 112 84 112 250 65 6 0.4 1°00´ 30.69 0.2130
60,63 60,63,65,70,71 142 108 142
LT10 2000 1700 2300 63,65,70,71,75 63,65,70,71,75 142 108 142 315 80 8 0.4 1°00´ 61.40 0.660
80,85 80,85,90,95 172 132 172
LT11 4000 1350 1800 80,85,90,95 80,85,90,95 172 132 172 400 100 10 0.5 0°00´ 120.70 2.122
100,110 100,110 212 167 212
LT12 8000 1100 1450 100,110,120,125 100,110,120,125 212 167 212 475 130 12 0.5 0°00´
0°00´
210.34 5.39
13 252 202 252
LT13 16000 800 1150 120,125 120,125 212 167 212 600 180 14 0.6 0°00´ 419.36 11.58
130,140,150 130,140,150 252 202 252
160 160,170 302 242 302

NOTE:
1.Coupling weights in the sheet are calculated according to the minimum diameter and maximum length of the shaft hole.
2.Short overloading can not exceed 2 times rated normal torque.
3.Type of shaft holes, the lengths of L and L1 also can be produced as customer requirements.
4.Rotational inertia are similar value.

Product Show

♦Other Products List

Transmission Machinery 
Parts Name
Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3:How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.

Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
 

shaft coupling

Materials Used in Manufacturing Encoder Couplings

Encoder couplings are manufactured using a variety of materials, each chosen for its specific properties and suitability for the intended application. Commonly used materials include:

1. Aluminum: Aluminum is lightweight, corrosion-resistant, and offers good machinability. It is often used for encoder couplings in applications where weight reduction and moderate torque transmission are important.

2. Stainless Steel: Stainless steel is known for its excellent corrosion resistance and durability. It is commonly used in environments where exposure to moisture, chemicals, or harsh conditions is a concern.

3. Steel: Steel is robust and offers high strength, making it suitable for heavy-duty applications with higher torque requirements. It can be further treated for enhanced corrosion resistance.

4. Brass: Brass provides good corrosion resistance and electrical conductivity. It is often used in applications where electrical isolation between components is necessary.

5. Plastics: Various engineering plastics such as nylon, polyurethane, and PEEK (polyether ether ketone) are used in encoder couplings. These materials offer good wear resistance, low friction, and electrical insulation.

6. Carbon Fiber: Carbon fiber is a lightweight, high-strength material known for its exceptional stiffness-to-weight ratio. It is used in applications where minimizing weight while maintaining rigidity is crucial.

7. Composite Materials: Composite materials combine different materials to achieve specific properties. They can offer a combination of strength, rigidity, and lightweight characteristics.

The choice of material depends on factors such as the application’s requirements, environmental conditions, torque and speed specifications, and the need for electrical insulation or conductivity. When selecting the material for an encoder coupling, it’s essential to consider the mechanical, thermal, and chemical properties required for optimal performance and longevity.

shaft coupling

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.

shaft coupling

Role of Encoder Couplings in Motion Control and Automation

An encoder coupling is a crucial component in motion control and automation systems, used to facilitate precise position and speed sensing:

It connects the shafts of a motor and an encoder, allowing the accurate transmission of rotational motion while maintaining precise alignment. The primary functions and usage of an encoder coupling include:

  • Rotational Precision: Encoder couplings ensure that the rotational motion of the motor shaft is accurately transmitted to the encoder, preserving the exact position and speed information.
  • Misalignment Compensation: They can accommodate slight misalignments between the motor and the encoder shafts, which can occur due to manufacturing tolerances or shaft deflection during operation.
  • Torsional Stiffness: Encoder couplings maintain torsional stiffness to ensure minimal torsional deformation during motion, preventing signal inaccuracies and maintaining synchronization.
  • Signal Integrity: Maintaining precise alignment helps preserve the integrity of the electrical signals generated by the encoder, ensuring accurate position and speed measurements.
  • Reduced Wear: By minimizing misalignment and torsional stress, encoder couplings help reduce wear and extend the lifespan of both the motor and the encoder.

Overall, encoder couplings are essential for achieving accurate motion control and automation, enabling precise positioning and speed control in various applications such as robotics, CNC machines, conveyor systems, and more.

China supplier Lt Series Rotary Encoder Coupling  China supplier Lt Series Rotary Encoder Coupling
editor by CX 2023-09-28