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Hebei Speed Torque Transmission Technology Co., Ltd., established in 2017 with a factory spanning 3,000–5,000 square meters, is proud to introduce our Flexible Taper Sleeve Tyre Coupling, specifically engineered for pump-motor systems and cast iron shafts. This coupling combines exceptional torsional flexibility with robust torque transmission, making it an ideal solution for misalignment compensation and vibration dampening in demanding industrial applications. With over 100 skilled employees and annual export values ranging from US$5 million to US$10 million, our company ensures every product meets stringent quality standards under ISO9001 certification.
Our Flexible Taper Sleeve Tyre Coupling is designed to connect pump and motor shafts efficiently, accommodating angular, parallel, and axial misalignments without sacrificing performance. The unique taper sleeve design simplifies installation and removal, reducing downtime during maintenance. Whether you operate in pumping stations, compressors, conveyors, or general machinery, this coupling offers reliable power transmission with reduced vibration and noise.
Key features and technical specifications are outlined below:
- Flexible Element: High-quality natural rubber or polyurethane tyre insert, offering excellent damping properties and resistance to oils and aging.
- Hub Material: Durable cast iron (GG25) with precision machining for a secure fit on taper sleeves.
- Taper Sleeve Design: Enables quick mounting and dismounting without special tools; compatible with standard taper bushings.
- Misalignment Capability: Accepts angular misalignment up to 4°, parallel misalignment up to 0.8 mm, and axial displacement up to ±2 mm.
- Torque Range: Available from 50 Nm to 5000 Nm, with custom sizes upon request.
- Operating Temperature: -30°C to +80°C (standard rubber); optional HT rubber for up to +120°C.
- Balance Quality: Standard G6.3 (optional G2.5 for high-speed applications).
The following table summarizes typical parameters for our standard models:
| Model | Bore Diameter (mm) | Max. Torque (Nm) | Max. Speed (RPM) | Weight (kg) |
|---|---|---|---|---|
| FTC-20 | 10 – 25 | 50 | 4000 | 1.2 |
| FTC-40 | 20 – 45 | 200 | 3500 | 3.5 |
| FTC-65 | 35 – 70 | 800 | 2800 | 8.0 |
| FTC-100 | 50 – 100 | 5000 | 2000 | 18.5 |
Advantages for your application:
- Easy Installation: The taper sleeve system reduces installation time by up to 40% compared to traditional keyway couplings.
- Low Maintenance: No lubrication required; rubber tyre can be replaced without disturbing the hubs.
- Vibration Damping: Protects connected equipment from shock loads and torsional vibrations, extending pump and motor life.
- Cost-Effective: Competitive pricing without compromising on quality – ideal for OEMs and aftermarket replacement.
- Global Compatibility: Bore dimensions fit both metric and imperial shafts (customizable).
All our couplings are manufactured in our Cangzhou, Hebei facility under strict ISO9001 quality management systems. We ship globally via Port of Shanghai, Tianjin, or Qingdao, serving major markets across North America, South America, Europe, Africa, Oceania, and Asia. With an annual export value exceeding US$5 million and a team of 101–200 employees, we have the capacity to handle bulk orders and provide responsive technical support. Our experienced engineers can customize taper sleeve dimensions, tyre hardness, and bore sizes to meet your specific pump-motor requirements. We offer samples for evaluation and provide a 12-month warranty against manufacturing defects.
Contact us today to discuss your coupling needs. Whether you need a standard size or a tailored solution, Hebei Speed Torque is your reliable partner in power transmission.
Frequently Asked Questions
-
Q: What is the maximum misalignment this coupling can handle?
A: The Flexible Taper Sleeve Tyre Coupling can accommodate angular misalignment up to 4°, parallel misalignment up to 0.8 mm (0.03 in), and axial displacement of ±2 mm. For larger misalignments, please consult our engineering team for customized solutions. -
Q: Can this coupling be used with stainless steel shafts?
A: Yes, the cast iron hubs can be paired with stainless steel shafts. We recommend using anti-corrosion coating options for the hub if the environment is highly corrosive. The rubber tyre is inherently resistant to moisture and many chemicals. -
Q: How do I select the correct size for my pump-motor application?
A: Determine your motor power, shaft diameters, and torque requirements. We provide a selection guide based on nominal torque and service factor. For example, a 50 kW motor at 1500 RPM typically requires a model with torque capacity around 500 Nm. Contact our sales team for a detailed selection. -
Q: Is the rubber tyre replaceable without removing the hubs?
A: Yes, the tyre is designed to be split and replaced while the hubs remain mounted on the shafts. Simply loosen the taper locking screws, slide the tyre out, and install a new one. This minimizes downtime. -
Q: What is the operating temperature range?
A: Standard natural rubber tyres operate from -30°C to +80°C. For higher temperatures up to 120°C, we offer an optional high-temperature rubber compound. Please specify your ambient conditions when ordering. -
Q: Do you provide custom bore sizes and keyways?
A: Absolutely. We can machine bore diameters to your exact specification, including metric or inch dimensions, and add keyways according to DIN, JIS, or ANSI standards. Custom orders typically have a lead time of 10–15 working days. -
Q: How is the coupling balanced?
A: Our standard balance grade is G6.3 per ISO 1940-1. For high-speed applications (above 3000 RPM), we can provide dynamic balancing to G2.5. Please indicate the required balance grade when ordering. -
Q: What packaging and shipping options are available?
A: Each coupling is individually packed in corrugated boxes with foam inserts to prevent damage. We ship via sea, air, or express courier from Port of Shanghai, Tianjin, or Qingdao. For bulk orders, we offer wooden pallet packing for container transport.
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