ND-TMI-1 Automatic commutator hot stacking machine Main data: Wire O.D range: 0.051.2mm Armature O.D range: 20100mm Stack length: 10100mm Commutator bar number: random Commutator O.D range: 870mm Air pressure: 5-7kg/cm2 Welding power: 10-30kw Voltage: single phase 220v, 50/60Hz Total weight: 350kg