CPC B24B 23/022 (2013.01) [B24B 47/12 (2013.01); B25F 5/00 (2013.01); H02P 1/04 (2013.01); H02P 6/24 (2013.01); B25F 5/008 (2013.01)] | 18 Claims |
1. A rotary tool which rotates a spindle and a tip tool forward or backward by a motor, and uses a fixture screwed with the spindle to install the tip tool on the spindle,
the rotary tool comprising:
a switch; and
a control device which controls a rotation and a stop of the motor corresponding to an operation of the switch,
wherein when the switch is turned on, the control device is configured to perform a start control that controls the motor to a second target rotation speed higher than a first target rotation speed before controlling the motor to a constant-speed rotation at the first target rotation speed.
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