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As a leading manufacturer from Hebei Speed Torque Transmission Technology Co., Ltd. (established in 2017, ISO9001 certified), we take pride in offering high-precision motion control components. Our Blue Aluminum Flexible Shaft Coupling with 5mm and 8mm bore sizes is specifically engineered for step motor applications, ensuring zero-backlash torque transmission and reliable shaft connection. With a factory spanning 3,000-5,000 square meters and annual export value of US$5-10 million, we deliver consistent quality to global markets including North America, Europe, and Asia.
Product Overview
This flexible shaft connector is designed to compensate for angular, parallel, and axial misalignments between two shafts while maintaining accurate rotation. The blue anodized aluminum body provides excellent corrosion resistance and lightweight performance, making it ideal for precision equipment such as CNC machines, 3D printers, and robotic arms. Available with a 5mm bore on one end and 8mm bore on the other, or custom configurations upon request.
Key Features & Benefits
- High Precision: Helical cut design ensures zero backlash and high torsional stiffness, maintaining accurate positioning.
- Durable Construction: Made from 6061-T6 aluminum alloy with blue anodized coating, resisting wear and environmental corrosion.
- Flexible Compensation: Accommodates up to 2° angular misalignment, 0.5mm parallel misalignment, and 0.3mm axial movement.
- Easy Installation: Set screw clamping mechanism allows simple and secure mounting without damaging shafts.
- Lightweight: Approximately 18g per unit, reducing inertia in high-speed applications.
- Wide Compatibility: Suitable for step motors, servo motors, linear actuators, and encoder shafts.
Technical Specifications
| Parameter | Value |
| Material | Aluminum Alloy 6061-T6 |
| Surface Treatment | Blue Anodized |
| Bore Diameter | 5mm / 8mm (Custom options available) |
| Outer Diameter | 20mm |
| Length | 25mm |
| Max Torque | 1.5 N·m |
| Max Speed | 6000 rpm |
| Clamping Screw | M3 stainless steel (2x) |
| Operating Temperature | -30°C to +100°C |
Why Choose Our Coupling?
Our step motor accessories are manufactured under strict ISO9001 quality management system, ensuring each unit passes dimensional and torque tests. The blue aluminum finish not only looks professional but also provides an additional layer of protection against oxidation. Compared to steel couplings, our lightweight design reduces the load on motor bearings, extending the lifespan of your equipment. With over 7 years of industry experience and 101-200 skilled employees, we guarantee fast lead times of 7-15 days for standard orders.
Company Strength & Trust
Hebei Speed Torque Transmission Technology Co., Ltd. has served clients across North America, South America, Europe, Africa, Oceania, and Asia since 2017. Our annual export value of US$5-10 million reflects the trust from global buyers. We ship via Port of Shanghai, Tianjin, or Qingdao, offering free sample validation and OEM/ODM services. Our factory covers 3,000-5,000 square meters with automated CNC machining centers, guaranteeing consistency in volume production.
Frequently Asked Questions (FAQ)
-
Q: Can I get a coupling with other bore sizes?
A: Yes, we offer custom bore combinations from 3mm to 14mm. Please provide your required dimensions when ordering. -
Q: Is this coupling suitable for high-torque applications?
A: This model supports up to 1.5 N·m. For higher torque requirements, we recommend our steel series or larger diameter options. -
Q: Does the blue color affect performance?
A: No, the blue anodizing is purely for corrosion resistance and aesthetics; it does not impact mechanical properties. -
Q: How do I install this coupling?
A: Simply slide the coupling onto both shafts, align them, and tighten the two M3 set screws using a hex key (included). -
Q: Can I use it with a servo motor?
A: Yes, the flexible design works well with servo motors, encoders, and other motion control devices. -
Q: What is the maximum misalignment it can handle?
A: Up to 2° angular, 0.5mm parallel, and 0.3mm axial misalignment. For larger misalignments, consider our bellows coupling. -
Q: Do you provide samples before bulk order?
A: Absolutely! We offer free samples to qualified customers. Just contact our sales team with your requirements. -
Q: What is the lead time for a standard order?
A: Normally 7-15 working days after payment confirmation, depending on quantity and customization.
We are confident in the quality of our step motor accessories. With ISO9001 certification and a professional R&D team, every coupling delivers consistent performance. Contact us today to request a quote or sample, and experience reliable power transmission for your projects.
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