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图示偏心轴4为我厂所开发生产的变压器开关操作部件,在通用机床上加工时有两个难点: (1)小头轴径为40mm,而C620主轴孔仅φ30,工件根本插不进主轴孔,而且外伸太长,加工内孔时又无法用顶夹支承。 (2)批量生产时偏心部分找正麻烦。 为解决上述问题,我们采用了图示的双重卡盘装夹工件解决了以上问题,而这种卡盘由通用卡盘组成。
The eccentric shaft 4 is a transformer switch operating part developed and produced by our factory. There are two difficulties when machining on a universal machine: (1) small head shaft diameter is 40mm, while the C620 spindle hole only has φ30, the work piece can not be inserted Spindle hole, and the extension is too long, the inner hole can not be processed with the top clip support. (2) when the eccentric part of mass production to find trouble. In order to solve the above problems, we have solved the above problems by using the illustrated dual chuck chucking workpiece, and the chuck consists of a universal chuck.