... speed stamping -Automatic welding or riveting -Longlife time 1,generator stator rotor2,Material: Silicon steel ,Stainless steel , Iron3, ... (including DC brushed motor commutator, BLDC motor commutator, AC series motor commutator, FHP motor commutator, PSC motor commutator, shaded ... equipment and exhaust equipmentIron cores for AC and DC series excitation motors and hand tool motorsIron cores for ...