Product Description
LZD Type Tapered Shaft Hole Elastic Coupling(GB/T 5015-2003)
♦Description
♦Basic Parameter and Main Dimension
Allowable Compensation for Elastic Pin & Bush Gear Couplings
Note: N.m= Nominal Torque; r/min= Allowable speed of rotation; d1.d2= Diameter of shaft hole;
Y L= Length of shaft hole; kg.m²= Rotational inertia; kg= Mass
△Y= Radial; △X= Axial; △α= Angular
1. The measuring part of radial compensation is half of the maximum outer circle width of the half coupling.
2. The compensation quantity listed in the table refers to the relative offset of 2 axes caused by installation error, shock, vibration, deformation, temperature change and other factors. The installation error must be less than the value listed in the table.
♦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 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
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: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | as Your Requirement |
| Torque: | as Your Requirement |
| Bore Diameter: | as Your Requirement |
| Speed: | as Your Requirement |
| Structure: | Flexible |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Role of Pin Coupling in Reducing Downtime and Maintenance Costs
A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:
1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.
2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.
3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.
4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.
5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.
6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.
By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.
Understanding Pin Couplings and Their Functionality
A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.
How a Pin Coupling Works:
A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.
When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.
After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.
Advantages of Pin Couplings:
– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.
– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.
– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.
– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.
– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.
Limitations:
– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.
– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.
In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.
editor by CX 2024-02-18