Product Description

LZ Elastic Pin Gear Coupling(GB/T5015-2003)

LZ High Quality Elastic Pin Gear Coupling uses nylon rod to turn the column pin into the opposite hole between the 2 half coupling and the outer ring inner surface, and transfers the torque through the column pin to realize the connection between 2 half couplings. It has certain shaft offset compensation ability and shock absorption performance. LZ High Quality Elastic Pin Gear Coupling is symmetrical and interchangeable, long life, allowing large axial movement, and has the performance of cushioning, damping, wear resistance and so on. The shaft holes of the 2 axle head of the pin type coupling of the LZ elastic column are all straight holes.

♦LZ Elastic Pin Gear Coupling Basic Parameter And Main Diamention(GB/T5015-2003)

Model	Nominal Torque Tn Kn·m	Speed (n) r/min	Shaft hole diameter d	Shaft hole length	D	D1	B	S	Rotary inertia kg·m2	Mass kg
				Y type  J1type
				L
LZ1	0.112	5000	12-24	27-52	76	40	42	2.5	0.001	1.67
LZ2	0.25	5000	16-32	44-82	90	50	50	2.5	0.003	3.00
LZ3	0.63	4500	25-42	44-112	118	65	70	3.0	0.12	7.31
LZ4	1.8	4200	40-60	84-142	158	90	90	4	0.045	16.20
LZ5	4.5	4000	50-80	84-172	192	120	90	4	0.108	27.02
LZ6	8	3300	60-95	107-172	230	130	112	5	0.242	40.59
LZ7	11.2	2900	70-110	107-212	260	160	112	5	0.443	59.60
LZ8	18	2500	80-130	132-252	300	190	128	6	0.908	94.67
LZ9	25	2300	90-150	132-252	335	220	150	7	1.733	13.8
LZ10	31.5	2100	100-170	167-302	355	245	152	8	2.422	169.3
LZ11	40	2000	110-180	167-302	380	260	172	8	3.369	203.1
LZ12	63	1700	130-200	202-352	445	290	182	8	6.524	296.6
LZ13	100	1500	150-240	202-410	515	345	218	8	14.19	469.2
LZ14	125	1400	170-260	242-410	560	390	218	8	21.67	621.7
LZ15	160	1300	190-300	282-470	590	420	240	10	29.52	730.5
LZ16	250	1000	220-340	282-550	695	490	265	10	62.47	1144
LZ17	355	950	240-380	330-550	770	550	285	10	106.0	1557
LZ18	450	850	250-420	330-650	860	605	300	13	175.4	2062
LZ19	630	750	280-450	380-650	970	695	322	14	323.2	3068
LZ20	1120	650	320-500	380-650	1160	800	355	15	669.4	4715
LZ21	1800	530	380-630	450-800	1440	1571	360	18	1880	8699
LZ22	2240	500	420-750	540-800	1520	1100	405	19	2596	9437
LZ23	2800	460	480-850	540-880	1640	1240	440	20	3982	12095

♦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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Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

• Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
• Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
• Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
• Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
• Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
• Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
• Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
• Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

Enhanced Performance of Flexible Gear Couplings through Gear Teeth Flexibility

The flexibility of gear teeth in flexible gear couplings plays a crucial role in enhancing their overall performance. This flexibility allows the coupling to compensate for misalignments and absorb shocks and vibrations, providing several key benefits:

• Misalignment Compensation: As the machinery operates, shafts may experience angular, parallel, or axial misalignments due to various factors like thermal expansion, foundation settlement, or manufacturing tolerances. The flexible gear teeth in the coupling can accommodate these misalignments by slight bending or elastic deformation, ensuring the smooth transmission of torque between the shafts despite their misaligned positions.
• Vibration Damping: During operation, rotating equipment can generate vibrations caused by uneven loads, resonance, or other factors. The flexible gear teeth act as shock absorbers, dampening these vibrations and preventing them from propagating throughout the system. This helps reduce noise, wear, and stress on the machinery components, contributing to smoother and quieter operation.
• Load Distribution: The flexibility of the gear teeth allows the coupling to distribute the transmitted load evenly across the entire tooth surface. This even load distribution reduces wear and fatigue on the gear teeth, increasing the coupling’s overall lifespan and reliability.
• Overload Protection: In case of sudden shock loads or overloads, the flexible gear teeth can absorb part of the impact, protecting the connected equipment from damage. This feature is especially important in applications with variable loads or potential shock events.
• Torsional Flexibility: The gear teeth’s flexibility enables the coupling to handle torsional movements, ensuring that torque is smoothly transferred between the shafts even if they are not perfectly aligned. This feature helps maintain constant velocity transmission, critical in precision systems.

Overall, the flexibility of gear teeth in flexible gear couplings allows these couplings to adapt to changing conditions, provide protection against unexpected forces, and improve the performance and reliability of mechanical power transmission systems.

Different Types of Flexible Gear Couplings and Their Applications

Flexible gear couplings are available in various designs, each suited for specific applications based on their features and capabilities. Some common types of flexible gear couplings and their applications include:

• Full Gear Couplings: These couplings consist of two hubs with external gear teeth that mesh with an internal gear sleeve. They offer high torque capacity and are commonly used in heavy machinery, such as steel rolling mills, cranes, and conveyors.
• Half Gear Couplings: Half gear couplings have one flexible half with internal gear teeth and one rigid half with external gear teeth. They are ideal for applications requiring torsional rigidity and misalignment compensation, such as pumps and compressors.
• Nylon Sleeve Gear Couplings: These couplings have a nylon sleeve inserted between the gear teeth of the hubs and the internal sleeve. They are known for their vibration damping properties and are used in applications where noise reduction is essential, such as printing presses and textile machinery.
• Chain Gear Couplings: Chain gear couplings use chains to transmit torque between the hubs. They are well-suited for high-speed and high-torque applications and can accommodate significant misalignment. These couplings find applications in turbines, generators, and large fans.
• U-Joint Gear Couplings: These couplings have a universal joint-like mechanism that compensates for angular misalignment. They are commonly used in automotive drivetrains, agricultural equipment, and marine propulsion systems.
• Spacer Gear Couplings: Spacer gear couplings have two hubs separated by a spacer that accommodates large misalignments. They are commonly used in paper mills, mining equipment, and other heavy machinery.

When selecting a flexible gear coupling, it is essential to consider the specific requirements of the application, including torque, speed, misalignment, and environmental conditions, to choose the most suitable type for optimal performance and longevity.

editor by CX 2024-05-09