Usage: suitable for auto starting motor commutator with big wire diameter and armature coil etc. wire spot welding.
用途：用途：适用汽车起动电机较大线径的换向器与电枢绕组等线的点焊。
Usage: suitable for precise lathing of rotor outer circle and commutator that with big shaft diameter and V block can not be used.
用途：适用于V型块无法使用的较大轴径的转子外圆或换向器的精车。
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