| 摘要 |
PURPOSE: A round bar center hole machine is provided to simplify work by cutting a round bar without a carrying work and machining a center hole simultaneously. CONSTITUTION: A round bar center hole machine comprises a transfer table(10), a round bar feed unit, a round bar input part(30), a round bar holding unit(40), and a center machining unit(50). The round bar feed unit gets a round bar(90) cut from a cutter. The round bar input part moves up and down on top of the transfer table. The round bar input part transfers the round bar fed from the round bar feed unit to one side. The round bar holding unit is moved horizontally on top of the transfer table. The round bar holding unit holds the round bar carried from the round bar input part. The center machining unit machines the center of the round bar held in the round bar holding unit with a drill(51).
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