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一、增大螺旋角的铣刀目前机械制造工业中广泛应用的铣刀,生产效率很低,这是由于标准铣刀的螺旋角及容屑槽较小,在切削过程中切屑不能顺利排出,致使鉄屑堵塞刃口,易于崩坏。鉴于这种情况,苏联列宁格勒基洛夫工厂工业革新者铣工И.Д.列昂诺夫、社会主义劳动英雄В.Я.柯拉谢夫、В.С.库兹涅佐夫及其他同志建议改变标准铣刀的几何形状,即增大螺旋角,减少齿数,以改善切削情况并提高劳动生产率。
First, increase the helix angle milling cutter At present, machinery manufacturing industry widely used cutter, production efficiency is very low, this is due to the standard helix angle and chip flute smaller chip in the cutting process can not be successfully discharged, Caused by debris blocking the cutting edge, easy to collapse. In view of this situation, the industrial innovators of the Leningrad Kirov factory in the Soviet Union mill И.Д. Leonov, hero of socialist labor В.Я. Kolašev, В.С. Kuznetsov and others Comrades suggested changing the geometry of a standard milling cutter to increase the helix angle and reduce the number of teeth to improve cutting and labor productivity.