Product Description

LX Type Elastic Pin Coupling (GB/T5014-2003)

 
LX Elastic pin coupling is made of several non-metallic elastic pins and 2 half couplings. The coupling is connected by lacing these elastic pins into holes of 2 half couplings, and thus the torque is transferred.
 
LX Elastic pin coupling can compensate the relative offset of 2 axes to a certain extent. Elastic parts are sheared during operation and are generally applicable to the working conditions of medium speed transmission shafts with low requirements. Allowable working temperature environment temperature is -20ºC~+70ºC, the nominal transfer torque is 250~180000N.m.

LX Elastic Pin Coupling Basic Parameter And Main Dimension(GB/T5014-2003)

Type Nominal torque
N·m
Speed
rpm
Shaft hole(mm)
d1,d2,dz
Length of shaft hole(mm) D B Limited compensation Rotary inertia
Kg·m2
Mass
Kg
Y type J,J1,Z type Axial Radial Angle
L L1 L mm
LX1 250 8500 12,14 32 27 32 90 2.5 +0.5 0.15 ≤0°30´
 
0.0064 2
16,18,19 42 30 42
20,22,24 52 38 52
LX2 560 6300 20,22,24 52 38 52 120 2.5 +1 0.15 ≤0°30´ 0.253 5
25,28 62 44 62
30,32,35 82 60 82
LX3 1250 4750 30,32,35,38 82 60 82 160 2.5 +1 0.15 ≤0°30´ 0.6 8
40,42,45,48 112 84 112
LX4 2500 3870 40,45,45,48,50,
55,56
112 84 112 195 3 +1.5 0.15 ≤0°30´ 3.4 22
60,63 142 107 142
LX5 3150 3450 50,55,56 142 107 142 220 3 +1.5 0.15 ≤0°30´ 5.4 30
60,63,65,70,71,
75
142 107 142
LX6 6300 2720 60,63,65,70,71,
75,80
142 107 142 280 4 +2 0.20 ≤0°30´ 15.6 53
85 172 132 172
LX7 11200 2360 70,71,75 142 107 142 320 4 +2 0.20 ≤0°30´ 41.1 98
80,85,90,95 172 132 172
100,110 212 167 212
LX8 16000 2120 80,85,90,95 212 167 212 360 5 +2 0.20 ≤0°30´ 56.6 119
100,110,120,125 212 167 212
LX9 22400 1850 100,110,120,125 212 167 212 410 5 +2 0.20 ≤0°30´ 133.3 197
130,140 252 202 252
LX10 35500 1600 110,120,125 212 167 212 480 6 +2.5 0.25 ≤0°30´ 273.2 322
130,140,150 252 202 252
160,170,180 302 202 252
LX11 50000 1400 130,140,150 252 202 252 540 6 +2.5 0.25 ≤0°30´ 555.7 520
160,170,180 302 242 302
190,200,220 352 282 352
LX12 80000 1220 160,170,180 302 242 302 630 7 +2.5 0.25 ≤0°30´ 902 714
190,200,220 352 282 352
240,250,260 410 330
LX13 125000 1080 190,200,220 352 282 352 710 8 +3 0.25 ≤0°30´ 1700 1057
240,250,260 410 330
280,300 470 380
LX14 180000 950 240,250,260 410 330 800 8 +3 0.25 ≤0°30´ 4318 1956
280,300,320 470 380
340 550 450

NOTE:Coupling weights and rotary inertia in the sheet are calculated according to the minimum diameter of the shaft hole and the combination of J/Y shaft hole.

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 /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard Or Nonstandard: Standard
Shaft Hole: 19-32
Torque: 50-70N.M
Bore Diameter: 14mm
Speed: 9000r/M
Structure: Flexible
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China factory High Quality Elastic Sleeve Pin Flexible Lx Elastic Pin Couplings

pin coupling

How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?

Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:

1. Gear Couplings:

  • Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
  • Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
  • Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
  • Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
  • Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.

2. Flexible (Elastomeric) Couplings:

  • Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
  • Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
  • Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
  • Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
  • Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.

3. Rigid Couplings:

  • Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
  • Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
  • Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.

Conclusion:

Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.

When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.

pin coupling

Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?

Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.

Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.

Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.

It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.

Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.

pin coupling

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

  1. 1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
  2. 2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
  3. 3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
  4. 4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
  5. 5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.

China factory High Quality Elastic Sleeve Pin Flexible Lx Elastic Pin Couplings  China factory High Quality Elastic Sleeve Pin Flexible Lx Elastic Pin Couplings
editor by CX 2024-01-23