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Help CenterRigid Coupling for CNC Machine Tools With Dynamic Balance Certification
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Manufactured by Henan San Kuang Machinery Technology Co., Ltd. since 2014, our precision rigid couplings are engineered specifically for demanding CNC machining applications. Operating from our 10,000-30,000 sqm facility in Luoyang, China, we combine rigorous quality control (ISO 9001 certified) with extensive export experience to deliver couplings trusted by machine builders worldwide.
These couplings feature Dynamic Balance Certification to ISO 1940 standards, ensuring vibration-free operation at high rotational speeds critical for CNC machining accuracy. The rigid design provides exceptional torsional stiffness for precise motion control while maintaining shaft alignment under heavy loads.
Key Technical Specifications:
| Property | Specification |
| Material Composition | SCM440 / 42CrMo alloy steel |
| Hardness | HRC 28-32 (surface hardened) |
| Max Torque Capacity | 150-800 N·m (model dependent) |
| Max RPM | 8,000 RPM (balanced configuration) |
| Shaft Tolerance | h7 / h6 available |
| Balance Standard | ISO 1940-1 Grade G2.5/G6.3 |
Performance Advantages:
- Eliminates vibration-induced tool chatter for superior surface finishes
- Maintains positioning accuracy within ±0.1° under full load
- Reduces bearing wear through precise shaft alignment
- Zero-backlash power transmission for contouring precision
- Sealed design prevents coolant/lubricant ingress (IP54 equivalent)
With annual exports exceeding $2.5 million to key industrial markets including North America, Western Europe, and Southeast Asia, our couplings are proven in global CNC applications. The Dynamic Balance Certification documentation accompanies each shipment, providing traceable quality assurance. Our multi-port shipping capability (Shanghai, Qingdao, Tianjin) ensures reliable delivery to your facility.
Frequently Asked Questions:
-
Q: What evidence of dynamic balancing is provided?
A: Each coupling ships with a certified balance report showing residual unbalance values measured at our ISO 9001-certified facility. -
Q: Can these couplings accommodate servo motor shafts?
A: Yes, we offer keyway, clamp, and shrink disk attachment options compatible with common servo motor shaft configurations. -
Q: What maintenance is required?
A: These are maintenance-free units with permanently lubricated bearings and sealed construction. -
Q: Do you provide CAD models for integration?
A: 2D/3D models in multiple formats (STEP, IGES, DWG) are available upon request. -
Q: What is the typical lead time?
A: Standard configurations ship within 15 working days; expedited options available. -
Q: Can you match existing coupling dimensions?
A: We specialize in reverse engineering for replacement applications – provide samples or drawings for quotation.
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