In this video, I am repairing a Bosch GWS 10-125 angle grinder whose electric motor has failed. At first I decided that only the armature of the electric motor was faulty, but it turned out that the stator was also out of order. To rewind the armature of the electric motor, I used a wire with a diameter of 0.38 mm, and for the stator 0.54 mm. Also in the gearbox, the bronze bushing was badly worn out, which I replaced with a new one. Of course, the armature bearings and grease in the gearbox were replaced.
00:00 Dismantling
02:19 Determination of the motor armature winding scheme
03:30 Preparing the motor armature for rewinding
05:18 Collector grinding
06:34 Motor armature rewind
09:32 Motor armature impregnation
09:53 Motor armature balancing
10:55 Assembly
14:05 Check
14:19 Removing the stator
14:57 How to calculate the pattern for stator coils
16:12 Making a template for stator coils
16:53 Production of stator coils
19:50 Impregnation of stator coils
21:30 Recheck
21:40 Result
Негізгі бет Ғылым және технология Repair angle grinder Bosch GWS 10-125 with a burned out electric motor
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