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锥形工件划线工具一般在锥形(退拔)工件上划线,常用两个V形台把工件支起来,再在V形台下加垫块,来调整V形台的高低,并且要用弯尺时时校正。这样常需很长的时间。如果预先把附图的V形台扳一个等于工件锥度的角度,再放上工件,工件的轴线就成水平,然做再找中心及划线,这样就方便得多了。图中1是底座,2是V形体,3是弯孔板,4是元宝螺帽和螺杆,5是螺钉,6是轴。
Conical workpiece marking tools generally tapered (retractable) workpiece marking, the common two V-shaped table to support the workpiece up, and then add pad under the V-shaped table to adjust the height of the V-shaped table, and to Corrected with a curved ruler. This often takes a long time. If the map in advance of the V-shaped plate pull a workpiece equal to the taper angle, and then put the workpiece, the workpiece axis is horizontal, then find the center and crossed, so much more convenient. 1 is a base, 2 is a V-shaped body, 3 is a curved plate, 4 is a ingot nut and screw, 5 is a screw, and 6 is a shaft.