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轴类工件在车床上加工都要先钻一个中心孔。这个中心孔以前是在车床上钻出来的。这不仅占用了一台生产设备,而且,由于机动工时很短,而装卡工件次数频繁,因此劳动强度很大,生产率很低。这台移动式中心孔钻床
Shaft workpiece in the lathe must first drill a center hole. This center hole was drilled on a lathe. This not only takes up a production facility, but also labor intensive and low productivity due to the short maneuver hours and frequent loading of workpieces. This mobile center hole drilling machine