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我们在维修机床中经常会遇到皮带轮、衬套、转盘等零件内孔需要有键槽，但周围没有插床来加工键槽，对此，我们采用在C620-1车床加工键槽（见图），其方法如下。附图车床加工键槽1工件2螺钉3车刀4自制刀杆1．把工件（皮带轮、村套、转盘）夹持在车床卡盘上，选用铸钢车刀．因它
We often encounter in the maintenance of the machine pulley, bushings, turntables and other parts of the hole need to have a keyway, but there is no socket around the keyway processing, which, we use the keyway in the C620-1 lathe (see photo), the method as follows. Figure lathe processing keyway 1 workpiece 2 screws 3 turning 4 homemade knife 1. The workpiece (pulley, village sets, turntable) on the lathe chuck, the selection of cast steel turning tools. Because of it