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
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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.

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.

Key Functions and Benefits of Using an Encoder Coupling

An encoder coupling plays a vital role in motion control and automation systems, offering several functions and benefits:

1. Accurate Position and Speed Sensing: Encoder couplings ensure precise transmission of rotational motion between the motor and the encoder, allowing accurate measurement of position and speed.

2. Misalignment Compensation: They can accommodate angular, radial, and axial misalignments between the motor and encoder shafts, maintaining accurate motion even in imperfect alignment conditions.

3. Torsional Stiffness: Encoder couplings provide torsional rigidity to minimize torsional deflection, ensuring that the encoder’s output signals accurately reflect the actual motion of the motor.

4. Signal Integrity: By maintaining precise alignment, they prevent signal distortion or loss, leading to accurate position and speed feedback from the encoder.

5. Reduced Wear: Proper alignment reduces stress on shafts, bearings, and other components, prolonging the lifespan of both the motor and encoder.

6. Increased Efficiency: Encoder couplings help achieve smoother motion control, enhancing overall system efficiency and reducing the likelihood of jerky movements.

7. Enhanced Performance: With accurate position and speed feedback, encoder couplings contribute to improved system performance, consistency, and repeatability.

8. Flexible Design: They come in various designs and materials to suit different applications and requirements.

9. Compatibility: Encoder couplings are compatible with various motor and encoder types, making them versatile solutions for different setups.

10. Easy Installation: Most encoder couplings are designed for straightforward installation, reducing downtime during setup or maintenance.

Overall, encoder couplings are essential components that ensure precise motion control, accurate position sensing, and reliable automation in various industries and applications.

editor by CX 2024-05-08