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内孔带有沉槽的机械零件,一般均以车床手柄的刻度线来控制沉槽底径和深浅尺寸,有一定误差,为了能准确测量底径的实际尺寸,可以用旧的游标卡尺造制成沉槽测量工具,见附图。
The mechanical parts with a sink hole in the inner hole are generally controlled by the scale of the lathe handle to control the diameter and depth of the bottom of the sink. There is a certain error. In order to accurately measure the actual diameter of the bottom diameter, the old caliper Sink measuring tools, see the attached drawings.