Automotive Carbon Brush
This motor require high torque ?short time in high speed-running ,belonging to the discontinue work type. The current density it bears is very high.
It required a low resistivity and a good wear-resisting performance.
The mental content of it is comparatively high, use the production method of one timeto shape craft.
|
type |
Resistivity μΩm |
Hardness HR10/400 |
Voltage /V |
Fraction factor |
|
J204 |
0.60 |
95 |
Lower |
Medium |
|
type |
Recommend working condition |
Application scope |
||
|
Current density A/cm² |
Circumference speed m/s |
Electric brush unit KPa |
||
|
J204 |
15 |
20 |
19.6-24.5 |
DC generator of heavy current and low voltage less than40,auto auxiliary motor, electric collection loop of asynchronous motor |
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