| 摘要 |
PURPOSE: A clamping portion installed with a polishing portion is divided in half to open and close attaching and detaching workpiece. CONSTITUTION: A driving portion and a driven portion(2) are connected with a chain, and the driven portion rotates by a motor of the driving portion. Driven sprockets are positioned to face each other, and a connecting portion is installed in one side of the driven sprockets. A pivoting pin is installed the other side of the driven sprockets. A working space is formed by connecting the driven sprockets with a plurality of interval rods(29). A polishing portion(3) escaping interference of an adjusting rod(26) and the interval rods is installed more than one place.
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