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Help CenterNylon Sleeve Gear Coupling Curved Tooth Shaft Coupler Nl6 Metal Hubs Pump Motor Large Torque
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Hebei Speed Torque Transmission Technology Co., Ltd. proudly presents our Nylon Sleeve Gear Coupling Curved Tooth Shaft Coupler NL6 – a high-performance solution designed for reliable power transmission in pump, motor, and heavy machinery applications. As an ISO9001-certified manufacturer with over 200 employees and a 5,000 sqm factory, we engineer these couplings to deliver large torque capacity, exceptional misalignment compensation, and long service life. Our advanced curved tooth design minimizes stress concentration, ensuring smooth operation even under demanding conditions.
The NL6 nylon sleeve gear coupling combines a durable nylon sleeve with precision-machined metal hubs, offering a unique balance of flexibility and strength. Whether you need to connect a pump to a motor or integrate into complex drive systems, this coupling provides the high torque transmission and vibration dampening required for continuous industrial processes. With customizable bore sizes and hub materials, it adapts to your specific shaft dimensions and environmental needs.
✔ Key Features & Technical Specifications
- Curved Tooth Design: Reduces edge stress and increases load capacity by up to 30% compared to straight teeth.
- Nylon Sleeve: Provides excellent misalignment accommodation (angular, parallel, axial) and dampens vibration, extending machine life.
- Metal Hubs (Steel or Cast Iron): High-strength construction ensures secure shaft connection and long-term durability.
- Large Torque Capacity: Handles heavy loads typical of pumps, compressors, conveyors, and mixers.
- Easy Installation & Maintenance: Simple axial assembly, no lubrication required after installation.
- Customizable Options: Bore sizes, keyways, hub materials, and surface treatments available upon request.
- ISO9001 Quality Assurance: Manufactured under strict quality control from raw material to final inspection.
📊 Technical Parameters (NL6 Model)
| Parameter | Value / Range |
|---|---|
| Rated Torque | Up to 2,000 Nm (datasheet dependent) |
| Maximum Speed | 6,000 rpm (with balanced hubs) |
| Misalignment Capacity | Angular: 1-2°, Parallel: 0.5-1.5 mm, Axial: 2-4 mm |
| Bore Diameter Range | 20 mm – 60 mm (custom sizes available) |
| Hub Material | 45# Steel (standard), Cast Iron (optional) |
| Sleeve Material | Nylon 6 (PA6), high wear resistance |
| Weight | Approx. 2.5 – 5.0 kg (depending on bore size) |
| Operating Temperature | -30°C to +80°C |
💪 Customer Benefits
- Reduced Downtime: The nylon sleeve absorbs shock loads, protecting connected equipment from damage.
- Cost-Effective: Lower maintenance and replacement costs compared to all-metal couplings.
- Versatile: Suitable for both horizontal and vertical installations, compatible with standard shaft keys.
- Enhanced Safety: Non-metallic sleeve reduces spark risk in potential explosive environments.
- Global Compatibility: Meets ISO standards, easily integrated with international pump and motor brands.
🏭 Trust Hebei Speed Torque for Your Drive Solutions
With over 5 years of manufacturing experience since 2017, our factory spanning 3,000-5,000 sqm houses 101-200 skilled workers and advanced machining centers. We export US$5-10 million annually to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our ISO9001 certification guarantees consistent quality – each coupling undergoes rigorous inspection including torque testing, dimensional verification, and balance checks.
Whether you need a standard NL6 coupling or a customized variant with special bore/keyway, our engineering team provides responsive support. We ship from Shanghai, Tianjin, or Qingdao ports with reliable lead times. Contact us today for a quote – we are committed to delivering high-performance, large-torque couplings that keep your operations running smoothly.
❓ FAQ – Nylon Sleeve Gear Coupling NL6
-
Q: What is the maximum torque rating for the NL6 model?
A: The torque capacity depends on bore size and hub material; standard NL6 can handle up to 2,000 Nm. Please consult our datasheet for exact values or contact our sales team for your specific application. -
Q: Can this coupling be used for high-speed applications?
A: Yes, with properly balanced hubs, the NL6 can operate at speeds up to 6,000 rpm. For very high speeds, we recommend balanced assemblies on request. -
Q: Does the nylon sleeve require lubrication?
A: No, the nylon sleeve is self-lubricating and maintenance-free. No grease or oil needed throughout its service life. -
Q: How do I select the correct bore size?
A: Measure your shaft diameter (and keyway if applicable). We offer bores from 20 to 60 mm, and can machine custom sizes. Provide your shaft dimensions when ordering. -
Q: Is the coupling suitable for reversing or cyclic loads?
A: Yes, the curved tooth design handles both forward and reverse rotations effectively, with good fatigue resistance. -
Q: What materials are the hubs made of?
A: Standard hubs are 45# steel with high strength; cast iron hubs are available for applications requiring less weight or specific damping properties. -
Q: Do you provide certificates of material or inspection?
A: Yes, we can provide mill certificates and inspection reports as per ISO9001 procedures. Please request at time of order. -
Q: What is the typical lead time for NL6 couplings?
A: Stock items ship within 7-15 days; custom orders take 20-30 days depending on complexity. We prioritize urgent requests.
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