| 摘要 |
An abrading tool uses oscillatory motion to achieve abrading, such as for polishing or grinding operations. The abrading tool has a spindle capable of mounting an abrading pad. A motor of the tool has an output shaft and a cam unit on the output shaft which is partially received in a cam follower mounted on the spindle produces the oscillating motion. A self-aligning bearing interconnects the cam unit and cam follower to reduce vibration and noise. The tool has a pneumatic motor and exhaust air from the motor is used to aspirate dust generated by the tool in operation.
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