GY Type Flange Grid Coupling(GB/T5843-2003)
Grid Type Couplings are multi-piece mechanical couplings used to transmit torque and rotation between shafts in mechanical power transmission assemblies. Their design allows them to accommodate slight alignment changes that occur between connecting shafts, while also absorbing shock loads. Huading is a leading grid coupling manufacturer in China, a grid coupling supplier in China offering the latest and modern Grid Type Couplings.
Grid Coupling is widely used in metallurgy, mining, lifting, transportation, petroleum, chemical, ships, textile, light industry, agricultural machinery, printing machines and pumps, fans, compressors, machine tools and other mechanical equipment and industry shaft transmission.
1.The serpentine spring as the elastic element, the elastic strong at the same time, greatly improves the grid coupling torque, widely used in heavy machinery and general machinery.The serpentine spring special technology department, has long service life, allowing higher speed, has good ability to compensate in the axial, radial and angle
2.High transmission efficiency, start safety. Transmission efficiency of up to 99.47%, short-time overload capacity is 2 times the rated torque, operation safety.
3.Simple structure, convenient assembly and disassembly, long service life
4.Damping effect is good to avoid the resonance.
♦Basic Parameter and Main Dimension
N.m=Norminal Torque; r/min= Allowable speed of rotation;d=Diameter of shaft hole ;
Y L=Length of shaft hole; kg.m²=Rotational inertia; kg= Mass
The weight and rotation are calculated according to the combination type and minimum diameter of the Y/J shaft hole of GY type coupling.
♦Other Products List
|High Flexible Coupling
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. To perfect our service, we provide the products with good quality at the reasonable price.
Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.
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.
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→Shipping
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.
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
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?
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
Materials Used in Manufacturing Grid Couplings
Grid couplings are designed to withstand high torque and provide flexibility while transmitting power in various industrial applications. The materials used in manufacturing grid couplings are chosen for their mechanical properties and durability. The common materials include:
- Cast Iron: Cast iron is a popular choice for the grid, hub, and outer flange components of the coupling. It offers excellent strength and wear resistance, making it suitable for heavy-duty applications.
- Steel: Steel is often used for the grid element or grid springs. It provides the required flexibility and resilience to handle misalignments and shock loads effectively.
- Alloy Steel: Alloy steel may be used for certain high-performance grid couplings. It offers enhanced strength and toughness, making it suitable for demanding industrial environments.
- Stainless Steel: Stainless steel is employed when corrosion resistance is a primary concern. It is commonly used in couplings for applications in corrosive or hygienic environments.
- Non-Metallic Materials: Some modern grid couplings use non-metallic materials, such as high-strength composites or synthetic polymers, for the grid element. These materials offer excellent dampening properties, reduce noise, and prevent electrical conductivity.
The specific material selection depends on factors like the application requirements, environmental conditions, and the level of load and torque the coupling needs to handle. Manufacturers carefully engineer grid couplings to ensure they meet the performance demands of the intended application while providing reliable and efficient power transmission.
How to identify signs of wear or failure in a motor coupling?
Identifying signs of wear or failure in a motor coupling is essential for maintaining the efficiency and reliability of a mechanical system. Here are some common indicators to look for:
1. Visual Inspection:
Perform a visual inspection of the motor coupling regularly. Look for any of the following signs:
- Cracks or deformations in the coupling body
- Corrosion or rust on the coupling surface
- Visible signs of misalignment between the shafts
- Excessive wear on the coupling teeth or flanges
2. Abnormal Vibrations:
Unusual vibrations or shaking during motor operation can indicate an issue with the coupling. Excessive play due to wear or misalignment can lead to vibrations that affect the overall system’s performance.
Listen for any unusual noises, such as clunking, clicking, or rattling sounds during motor operation. These noises could be an indication of loose or damaged coupling components.
Check for shaft misalignment between the motor and driven load. Misalignment can lead to uneven distribution of forces, causing premature wear and failure of the coupling.
5. Increased Friction and Heat:
Feel for any excessive heat generated during motor operation. Increased friction due to misalignment or wear can cause the coupling to overheat.
6. Reduced Performance:
If you notice a decrease in the motor’s performance or efficiency, it could be a sign of coupling wear or failure. Reduced torque transmission or increased power losses may be evident.
7. Shaft Movement:
Check for any axial movement in the motor and driven load shafts. Axial play can indicate a worn or damaged coupling that needs attention.
If you observe any of these signs, it is crucial to address the issue promptly. Regular maintenance, including lubrication and alignment checks, can help prevent coupling failures and extend the coupling’s lifespan. If the coupling shows significant signs of wear or damage, consider replacing it with a new one to ensure optimal performance and avoid costly breakdowns in the future.
Common Industries that Use Grid Couplings and Their Applications
Grid couplings are widely used in various industries due to their ability to handle high torque, misalignments, and shock loads. Some of the common industries and their applications where grid couplings are employed include:
|Pulp and Paper
|Oil and Gas
|Water and Wastewater
Grid couplings are favored in these industries because they offer reliable performance in demanding applications, helping to ensure smooth operation and reduced downtime. Their ability to accommodate misalignments and dampen vibrations makes them suitable for various heavy-duty machinery and equipment.
editor by CX 2023-10-09