Method of forming a power tool

Details Method of forming a power tool Method of forming a power tool

2006-07-21

2010-10-19

Phan, Thiem (Department: 3729)

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

C029S558000, C029S598000, C029S605000, C029S606000, C264S272200, C310S043000, C310S235000

Reexamination Certificate

active

07814641

ABSTRACT:
A method of forming a power tool includes forming and balancing an armature by securing a lamination stack having slots therein on an armature shaft securing a commutator on one end of the armature shaft, winding magnet wires in the slots in the lamination stack and securing ends of the magnet wires to the commutator, and molding plastic to at least partially encase the magnet wires in plastic and forming a balancing feature. Plastic is removed from the balancing feature during dynamic balancing of the armature. The armature is then disposed in a stator to form an electric motor and the electric motor is disposed in a power tool.

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