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图示是一种在车床或钻床上滚花的工具,它由三个直径为3/4吋,宽度为3/8吋的滚花辊子2(二个右旋,一个左旋,长9(1/2)吋的冷轧钢手柄3和安装在手柄末端的矩形连杆1组成。连杆上钻有三个销孔.以便调整尺寸。
The figure shows a tool for knurling on a lathe or a drilling machine consisting of three knurled rollers 2 of 3/4 inch in diameter and 3/8 inch in width (two dextrorotatory, one dextrorotatory, and a length of 9 (1 / 2) inch cold-rolled steel handle 3 and a rectangular rod 1 mounted on the end of the handle 1. There are three pin holes drilled in the rod for resizing.