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Help CenterHigh Speed Servo Coupling 7075-T6 Aluminum 15000RPM 5Nm Low Inertia for Stepper Motor
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Henan San Kuang Machinery Technology Co., Ltd. proudly presents our High-Speed Servo Coupling, precision-machined from 7075-T6 aluminum to deliver exceptional performance for demanding stepper motor and servo motor applications. With a rated speed of 15,000 RPM and a torque capacity of 5 Nm, this coupling is engineered for low inertia, ensuring quick acceleration and accurate positioning. Since 2014, we have been a trusted manufacturer with a 10,000–30,000 m² facility, serving clients in over 20 global markets.
Our coupling is designed to provide a backlash-free, vibration-dampening connection between motor shafts and driven components. The 7075-T6 aluminum alloy offers an excellent strength-to-weight ratio, reducing rotational mass while maintaining rigidity. Whether you are building CNC machines, robotics, or automated assembly lines, this coupling enhances system responsiveness and prolongs equipment life.
Key Features and Technical Specifications
High-Speed Capability: Balanced for continuous operation up to 15,000 RPM without excessive heat generation.
Low Inertia Design: Optimized geometry minimizes moment of inertia, allowing faster acceleration and deceleration.
Premium Material: Machined from solid 7075-T6 aluminum – 30% stronger than 6061, with superior fatigue resistance.
Torque Rating: Reliable 5 Nm continuous torque; peak overload capacity up to 10 Nm.
Compensation Capabilities: Accommodates parallel offset up to 0.2 mm, angular misalignment up to 1°, and axial movement up to ±0.3 mm.
Zero Backlash: Clamp-style or set screw fixing ensures a rigid, play-free connection.
Corrosion Resistance: Natural anodized surface (optional hard anodizing) protects against moisture and industrial environments.
Easy Installation: Two-piece split hub design for quick mounting without disassembling the system.
Technical Parameters
| Parameter | Value |
|---|---|
| Material | 7075-T6 Aluminum (EN AW-7075) |
| Max Speed | 15,000 RPM |
| Rated Torque | 5 Nm |
| Peak Torque | 10 Nm |
| Moment of Inertia | 0.12 – 0.35 kg·cm² (depending on bore size) |
| Bore Diameter Range | 6 mm – 20 mm (custom sizes available) |
| Operating Temperature | -30°C to +120°C |
| Weight | Approx. 120 g (for 16 mm bore) |
Why Choose Our Coupling for Your Stepper Motor?
Stepper motors inherently produce torque ripple and can cause vibration. Our low-inertia coupling acts as a mechanical filter, absorbing these fluctuations while maintaining precise angular transmission. The 7075-T6 aluminum construction ensures that every start/stop cycle is crisp and repeatable – critical for pick-and-place machines, 3D printers, and medical equipment. Additionally, the lightweight design reduces the load on motor bearings, extending their service life.
Improved Dynamic Response: Low inertia allows faster settling time in positioning applications.
Reduced Maintenance: No wearing elastomeric elements; all-metal construction delivers long-term durability.
Versatile Mounting: Standard keyway or D-cut options; clamp screws ensure secure grip even under reversal.
Customization: We can modify bore sizes, overall length, or add special surface treatments per customer request.
Trust the Manufacturer Behind the Product
Henan San Kuang Machinery Technology Co., Ltd. has been producing precision mechanical components since 2014. With a factory footprint of 10,000–30,000 square meters and a dedicated team of 51–100 employees, we maintain strict quality control at every stage. Our annual export value reaches US$2.5 million to US$5 million, serving demanding clients across North America, Europe, Southeast Asia, and the Middle East. We ship from major Chinese ports including Shanghai, Qingdao, and Tianjin, ensuring efficient logistics worldwide.
We are committed to continuous improvement, and our quality management systems are regularly audited. Each coupling is balanced and torque-tested before shipment to guarantee compliance with stated specifications. Whether you need a single sample for R&D or bulk orders for production, we offer competitive pricing, fast lead times, and responsive technical support.
Ready to upgrade your motion system? Contact us today to discuss your bore sizes and performance requirements. Our engineering team can recommend the optimal variant to match your stepper motor and application. Experience the reliability of a coupling built with 7075-T6 aluminum – designed for speed, precision, and longevity.
Frequently Asked Questions
What is the maximum bore size available?
Standard bore range is 6 mm to 20 mm. Custom sizes up to 28 mm can be accommodated for specific orders.Can this coupling handle reversing loads?
Yes, the clamp-style design provides zero backlash, making it suitable for bidirectional operation without play.Does the coupling require lubrication?
No, the aluminum-to-steel contact (with optional anodized coating) operates dry. No maintenance needed.How do I choose between clamp and set screw types?
Clamp type is recommended for high-speed applications to avoid shaft scoring; set screw type is cost-effective for lower speeds.Is the coupling balanced?
Yes, each unit is dynamically balanced for speeds up to 15,000 RPM. Higher balancing grades available on request.What is the typical lead time?
Standard sizes ship within 3–5 working days. Custom orders typically take 10–15 days.Can I get a sample before placing a bulk order?
Absolutely. We provide samples for evaluation, with cost deducted from the first bulk order.Do you offer any surface treatment for harsh environments?
Yes, we can apply hard anodizing (type III) or electroless nickel plating for enhanced corrosion resistance.
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