Rotor Bar
Yantai Wanlong Vacuum Metallurgy Co., Ltd. is one of the most reliable manufacturers and suppliers of rotor bar in China. With abundant experience, we are committed to providing high quality customized products for global clients. Welcome to buy bulk premium rotor bar from our factory.
Product Description
Rotor bars are the core conductive components of squirrel-cage motor windings.Adopting precise alloy proportioning and professional heat treatment technology, the products achieve excellent comprehensive performance with high electrical and thermal conductivity, superior mechanical strength, high-temperature softening resistance, as well as great fatigue and vibration resistance. Featuring high dimensional accuracy, smooth surface finish and dense defect-free microstructure, our rotor bars perfectly match rotor core slots and form a stable closed conductive loop after precise welding with end rings.

Product Performance
It has good electrical and thermal conductivity, as well as certain strength and resistance to high-temperature softening.
Product Parameters
|
Material |
Tensile(min) |
Yield(min) |
Elongation(min) |
Conductivity(min) |
Hardness(min) |
|
CuCr1Zr/CuCr1 |
380MPa |
300MPa |
15% |
45MS/m |
120HB |
|
CuZr |
350MPa |
260MPa |
12% |
47MS/m |
100HB |
|
CuNi2Si |
600MPa |
520MPa |
12% |
23MS/m |
180HB |
|
Cu-OF/Cu-HCP/Cu-ETP |
300MPa |
260MPa |
8% |
57MS/m |
95HB |
|
CuAg |
300MPa |
260MPa |
8% |
56MS/m |
95HB |
|
CuZn5 |
300MPa |
200MPa |
12% |
29.5MS/m |
95HB |
|
CuZn37 |
370MPa |
240MPa |
16% |
13MS/m |
110HB |
|
CuSi0.35 |
280MPa |
200MPa |
12% |
20.5~23MS/m |
90HB |
Note: All values are for reference only. Subject to the factory test report.
Applications
Rotor bars are the core conductive components of the motor's squirrel-cage winding, and critical parts enabling nuclear power supporting motors to realize electric energy conversion and power output. In each nuclear main pump / auxiliary asynchronous motor, multiple rotor bars are evenly embedded in the slots of the rotor core. Their two ends are precisely connected with end rings to form a complete closed conductive loop, ensuring long-term stable and reliable operation of nuclear power equipment.






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