Automatic lathe dog for workpiece

申请号 JP12903082 申请日 1982-07-26 公开(公告)号 JPS5919614A 公开(公告)日 1984-02-01
申请人 Urawa Kogyo Kk; 发明人 FUJIMAKI KAZUNOBU;
摘要 PURPOSE:To simplify the constitution and facilitate maintenance and control by eliminating the necessity of using a sensor and using an air control in mounting/ demounting of a workpiece to/from a lathe dog. CONSTITUTION:A rotary body 8 and a working tool 24 such as grindstone etc. are revolved in the same direction, so that contact part between the rotary body 8 and the working tool 24 is revolved in the opposite direction. A holding part 15 bites in wedge form into the surface of a workpiece 2 so that certain chucking may be assured. Optional working for the workpiece 2 is carried-out in this state, and if revolution of the body 8 is stopped after the working is completed, the action of the centrifugal force onto a holding body 13 is cut-off, and chucking for the workpiece 2 is automatically released, and the workpiece 2 can be demounted easily.
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