| 摘要 |
A working apparatus comprising, a base, a work piece supporting and rotating means on the base to hold and rotate a work piece, a working tool unit on the base to hold a working tool to be rotatable and which forwardly and rearwardly moves in horizontal direction toward the work piece via a slider mechanism, a pressing means to press the working tool unit in horizontal direction at a constant pressing force toward the work piece, and a profiling means on the working tool unit to forwardly and rearwardly move by profiling an outer periphery of the work piece through being in contact with the work piece in horizontal direction and thereby to move the whole working tool unit in forward and rearward directions.
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