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Help CenterCustomizable OEM Js Type Serpentine Spring Flexible Grid Coupling
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At Hebei Speed Torque Transmission Technology Co., Ltd., we specialize in the design and manufacture of premium flexible couplings. Our Customizable OEM Js Type Serpentine Spring Flexible Grid Coupling combines advanced serpentine spring technology with robust engineering to deliver superior vibration damping, misalignment compensation, and long service life. With over 7 years of expertise, a 3,000–5,000 m² factory, and annual exports of US$5–10 million, we are your trusted partner for custom power transmission solutions.
Key Features & Technical Specifications
Serpentine Spring Design: The grid spring is made of high-tensile alloy steel, machined in a serpentine shape that flexes under load to absorb shock and dampen torsional vibration.
High Misalignment Capability: Accommodates up to 0.5 mm radial, 1.5° angular, and 2 mm axial misalignment, protecting connected equipment from premature wear.
Customizable OEM Service: We offer fully customizable bore diameters, keyways, set screw configurations, surface coatings, and special materials to meet your exact application requirements.
Easy Installation & Maintenance: Split cover design allows for quick inspection and grid replacement without removing the hubs from shafts.
Quiet & Smooth Operation: The flexible grid element reduces noise and vibration, improving overall system performance.
Available in Various Sizes: Suitable for shaft diameters from 10 mm to 100 mm and torque ratings from 50 N·m to 5000 N·m.
| Size | Bore Range (mm) | Max Torque (N·m) | Max RPM | Weight (kg) |
|---|---|---|---|---|
| JS-1 | 10 – 22 | 50 | 6000 | 0.8 |
| JS-2 | 15 – 35 | 120 | 5000 | 1.5 |
| JS-3 | 20 – 45 | 250 | 4500 | 2.8 |
| JS-4 | 25 – 60 | 500 | 3600 | 4.5 |
| JS-5 | 30 – 80 | 1000 | 3000 | 7.2 |
Advantages & Customer Benefits
Extended Equipment Life: By absorbing shock and vibration, the coupling reduces stress on bearings, seals, and gears, lowering maintenance costs.
Energy Efficient: The flexible design maintains high torsional stiffness while allowing controlled deflection, minimizing energy loss during start-up and operation.
Versatile Applications: Ideal for pumps, compressors, conveyors, fans, mixers, and any machinery requiring reliable torque transmission with misalignment compensation.
Fully Customizable: We can modify bore diameter, keyway shape, material (e.g., stainless steel for corrosive environments), and surface treatment (zinc plating, hot dip galvanizing, etc.).
Global Logistics: Shipped from Port of Shanghai, Tianjin, or Qingdao; our products reach North America, Europe, Asia, Africa, and Oceania reliably.
Why Choose Hebei Speed Torque Transmission Technology Co., Ltd.?
Founded in 2017, we have grown into a specialized manufacturer with a 3,000–5,000 m² factory and a dedicated team of 101–200 employees. Our annual export value of US$5–10 million reflects global trust in our quality. We are ISO 9001:2015 certified, ensuring rigorous quality control from raw material inspection to final testing. With active markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, we understand diverse industrial requirements and deliver on time.
Our engineering team can provide 2D/3D drawings and samples for your approval before mass production. We offer competitive pricing, flexible MOQs, and after-sales technical support. Whether you need a standard JS type or a fully custom serpentine spring coupling, we are ready to assist.
Contact us today to discuss your project and receive a quotation. Let Hebei Speed Torque be your reliable partner for power transmission excellence!
Frequently Asked Questions (FAQ)
Q: What is the minimum order quantity for custom couplings?
A: Our standard MOQ is 10 pieces for custom sizes, but we can negotiate smaller quantities for prototype or trial orders. Please contact our sales team.Q: How long does it take to produce a customized JS type coupling?
A: Typical lead time is 15–25 working days after drawing approval and payment. Rush orders may be possible depending on factory capacity.Q: Can the grid spring be replaced separately?
A: Yes, the serpentine spring grid is a replaceable wear part. We supply individual grids for maintenance.Q: What materials are available for the hubs and grid?
A: Standard hubs are made of 45# steel (C45). The grid is alloy spring steel. For corrosive or high-temperature environments, we offer stainless steel (SS304, SS316) and other alloys.Q: Do you provide technical drawings before production?
A: Yes, we provide 2D and 3D drawings (PDF, STEP, IGES) for your confirmation to ensure exact match with your shaft and space constraints.Q: Is the coupling suitable for reversing loads?
A: The JS type serpentine spring coupling can handle moderate reversing loads due to its symmetrical design. For high-frequency reversing, we recommend consulting our engineers.Q: What is the temperature range for this coupling?
A>: Standard coupling operates from -20°C to +100°C. High-temperature versions (up to 250°C) are available with special materials on request.Q: How do I select the correct size for my application?
A: You need to know the shaft diameters, torque requirement, expected misalignment, and space. Our technical team can help you choose the proper JS size and customization.
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