How to repair the iron core of DC motor?

The core of a DC motor usually consists of a stator and a rotor, which is an important part of the motor. DC motor core plays a vital role in the operation of the motor, so what are the ways to repair the core of DC motor? Today to introduce to you

1.core surface damage with a file to remove the protruding burr, repair and file flat, the connected silicon steel piece will be separated, with a brush dipped in gasoline to wash the surface, coated with insulating paint.

2.tooth root burned off by the grounding fault caused by a small number of tooth root burned off, you can break the broken tooth chisel, remove the burr, filled with insulating rubber. Digging chisel, take care not to damage the winding.

3.tooth segment burned out which is caused by serious grounding fault, damaged section of the core length of 1/3 or less, can be chiseled off, filled with the same size of the insulating cloth plate to form a false tooth. False teeth fixed method: the open slot available slot wedge fixed; half-open (closed) slot, the false teeth shaved 5 mm lower, the ends of the teeth bent 90 degrees fastened or fixed with screws.

4.loosening of the core can be in the speed reducer motor casing with another positioning screw to fix the core, or welded with electric welding.

5.the teeth along the axial expansion is due to the lack of pressure at both ends of the pressure ring, if not repaired in time, easy to damage the slot insulation and coil.

 The above is the method of overhauling the core of the motor, hope it will help you, for more information, please feel free to consult us!