Ningbo Uni-drive Technology Co., Ltd. is one of the leading manufacturers and suppliers of motor shaft flange in China, featured by quality products and good price. If you're going to buy fancy motor shaft flange made in China, welcome to get pricelist from our factory. Customized orders are welcome.
Introduction
Engineered as the critical interface component between motor rotors and driven equipment, the Motor Shaft Flange provides a precision-machined mounting surface that transfers torque while maintaining axial and radial alignment in electric motor and generator assemblies. Manufactured from forged carbon steel, stainless steel, or ductile iron with heat-treated properties matched to application torque requirements, it delivers reliable power transmission under the cyclic loading and thermal expansion conditions typical of rotating machinery. The flange incorporates precisely located bolt circles with dowel pin holes for repeatable positioning, pilot diameters that establish concentricity with mating components, and keyways or splined bores that secure the flange to the motor shaft without rotational slip.
Features
| Precision Alignment | Ensures motor shaft concentricity with equipment. |
| High Structural Strength | Alloy steel resists vibration and load. |
| Sealed Design | Prevents dust and moisture ingress. |
| Customizable Bolt Holes | Fits different motor and equipment models. |
| Corrosion-Proof Coating | Adapts to industrial environments. |
Benefit
Eliminating the alignment uncertainty associated with shaft-mounted couplings, the Motor Shaft Flange provides a bolted connection with ground register fits that achieve coaxial accuracy within 0.002 inches total indicator reading. This direct mounting approach yields a 45% reduction in vibration levels compared to coupled shaft arrangements, translating to extended bearing life, reduced seal wear, and quieter equipment operation in fan, pump, and compressor drives. Motor manufacturers, equipment builders, and maintenance teams benefit from easier field alignment thanks to flange pilot diameters, faster assembly than shaft couplings, and stronger torque transmission using bolted connections instead of clamps.
Conclusion
Engineered for direct-drive applications where rigid, concentric power transmission is essential, this motor shaft flange component addresses the alignment instability and fretting issues common to clamp-type shaft couplings. The combination of precision-machined pilot surfaces, hardened bolt hole patterns, and secure shaft attachment creates a component suited for NEMA and IEC motor frames driving pumps, generators, gearboxes, and industrial fans. For organizations designing or maintaining direct coupled equipment, this flange provides the alignment accuracy and torque capacity needed for reliable rotating machinery performance.
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