It does turning for the armature commutator round OD. 

Machine technical request:

(1)Clamp the armature→ rotation→ cutter moving longitudinally→ fast moving horizontally→ cutter forward (turning) → cutter reverse longitudinally→ cutter reverse horizontally →motor stops→ release the armature and take it out;

(2)Armature shaft OD5-30mm, commutator OD 15-100mm;

(3) Turning speed 0-3000rmp, main motor power 1.5KW, frequency converter for speed adjustment;

(4)Iron casting machine frame and bench to reduce the resonance frequency;