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Help CenterJsb Flexible Grid Coupling With Metallic Elastic Element Factory Direct Spider Snake Spring Coupling
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Hebei Speed Torque Transmission Technology Co., Ltd. (established 2017) operates a 3,000-5,000 m² factory with 101–200 skilled employees, delivering high-quality power transmission solutions globally. Our Jsb Flexible Grid Coupling with Metallic Elastic Element – also referred to as the Spider Snake Spring Coupling – is engineered to provide exceptional torsional flexibility, high torque density, and reliable misalignment compensation. Manufactured under ISO9001 quality management, this coupling reduces maintenance and extends equipment life, making it an ideal choice for heavy-duty industrial applications.
This coupling features a unique metallic elastic element (snake spring) that absorbs shock loads, dampens vibration, and accommodates angular, parallel, and axial misalignments. The grid design improves load distribution, while the split cover allows quick inspection and element replacement without disturbing the hubs. Below are key technical specifications for common models:
| Model | Bore Range (mm) | Torque Capacity (Nm) | Max Speed (RPM) |
| JSB-14 | 6–28 | 45 | 10000 |
| JSB-24 | 10–42 | 200 | 8000 |
| JSB-38 | 20–70 | 1250 | 4500 |
| JSB-48 | 30–100 | 5000 | 2500 |
Key Features & Benefits:
- Metallic Elastic Element: High-strength alloy steel spring resists fatigue and maintains performance under cyclic loads, offering long service life.
- Flexible Grid Design: Allows up to 1.5° angular misalignment and 0.76 mm parallel offset (per element), reducing bearing stress.
- Vibration Damping: Snake spring construction effectively reduces torsional vibration, protecting driven equipment.
- Easy Maintenance: Split cover enables visual inspection and quick replacement of elastic elements without removing hubs or shafts.
- Factory Direct Supply: Lower procurement cost, consistent quality, and shorter lead times for bulk orders.
- Customizable: Bore sizes, keyways, and special coatings (e.g., zinc plating, black oxide) available upon request.
- Wide Application: Suitable for pumps, compressors, fans, conveyors, mixers, and general industrial machinery.
Our manufacturing facility covers 3,000–5,000 m² with an annual export value of US$5–10 million. We serve customers across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Each coupling is tested for dimensional accuracy and mechanical performance before shipment. With ISO9001 certification, we ensure consistent product reliability. Choose Hebei Speed Torque for a durable, high-performance flexible grid coupling that reduces downtime and total cost of ownership. Contact us today for a quote or technical consultation!
Frequently Asked Questions
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What is the maximum torque your Jsb coupling can handle?
Standard models cover up to 5000 Nm. Higher torque capabilities can be engineered for custom projects – please inquire with your requirements. -
Can the metallic elastic element be replaced?
Yes, the snake spring element is replaceable. The split cover allows easy access, and replacement springs are available as spare parts. -
What misalignment can this coupling accommodate?
Typically up to 1.5° angular and 0.76 mm parallel per element. Combined misalignment should be within the rated capacity to ensure long life. -
Does the coupling require lubrication?
No, the metallic elastic element operates dry. However, the grid and cover may be coated with anti-corrosion treatment; no additional lubrication is needed. -
What materials are available for the hubs?
Standard hubs are made of high-strength steel. Stainless steel or special alloy options are available for corrosive environments. -
What is your typical delivery lead time?
For standard sizes, 15–25 working days. Customized orders may take 30–45 days depending on complexity. We ship from Shanghai, Tianjin, or Qingdao ports. -
Can I get a sample for testing before bulk order?
Yes, sample orders are welcome. We offer low-volume production for initial evaluation with full technical support. -
How does this coupling compare to a jaw coupling?
The grid coupling offers higher torque density and better vibration damping, while the metallic element provides longer life under continuous heavy loads. It is an upgrade for demanding applications.
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