| 摘要 |
An armature undercutting device for remanufacturing a starter motor is provided to automatize an undercut work by providing an automation device which operates a hydraulic cylinder in a state when an armature is rotated by a certain angle according to respective stages and allows a cutter to undercut an undercut groove of the armature. A rotary angle of an electromotive motor(30) is controlled. A shaft fixing part(40) is connected to a rotary shaft(31) of the electromotive motor(30) to rotate as one body, and is combined to a shaft gear part(113) of an armature(102). The shaft fixing part(40) supports the shaft gear part(113) of the armature(102), and simultaneously rotates with the armature(102) as one body when the electromotive motor(30) is driven. A cutter device part(50) has a cutter(55) reciprocated front and rear, and allows the cutter(55) to forward move along a longitudinal direction of an undercut groove(112) of the armature(102) and undercut the undercut groove(112). A controller controls the driving of the electromotive motor(30) and the cutter device part(50).
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