Terminal surface commutator

The utility model discloses a terminal surface commutator, including plastics mold core and copper segment, the outside of copper segment end is equipped with the bonding wire crotch that the slice physique formed at the intermediate position, and the foot is colluded outside being equipped with in the shoulder position about, and the medial extremity of copper segment is equipped with inner hooked foot, its characterized in that: the shoulder is the inclined plane about the copper segment, the space that this inclined plane was reserved is filled by the plastics of plastics mold core, the center of plastics mold core is equipped with the through -hole, the through -hole upper end is more large diameter counter bore, the up end of counter bore and the upper surface of copper segment are at the coplanar, leave the spacing distance more than the 2mm between the hole pore wall of counter bore and the medial extremity of copper segment, the top excircle circumference equipartition of plastics mold core is equippe