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扇形垫块是变压器上的一个零件,用电木板制成。它的扇形形状原来是先经划线后用手工锉出来的。这样生产效率和加工质量都很低。孙国纯同志在领导的支持和同志们的帮助下,改进成功一套工具,在牛头刨床上加工扇形垫块,可以提高生产效率3倍,表面光洁度达到_5。工具的结构请看附图。工具底座1装在牛头刨床的工作台上。横臂4的一端插在回转轴10内,用螺丝11固紧;另一端装有调节装置。横臂的伸出长度可以根据工件的弧度调整。回转轴10安在工具底座上,可以自由回转。刀具是用固定螺丝3装
Fan-shaped pad is a part of the transformer, the use of electricity made of wood. Its fan shape turned out to be hand-filted after scribing. This production efficiency and processing quality are low. Comrade Sun Guochun, with the support of his leadership and comrades, has successfully improved a set of tools to process fan-shaped pads on a shaper to increase production efficiency by 3 times and surface finish to _5. Look at the structure of the tool. The tool base 1 is mounted on a worktop of a shaper. One end of the transverse arm 4 is inserted into the rotary shaft 10 and fastened with a screw 11; the other end is provided with an adjusting device. The extension of the cross arm can be adjusted according to the curvature of the workpiece. The rotary shaft 10 rests on the tool base and freely swivels. The tool is equipped with fixing screws 3