本刊去年第四期发表了北京煤矿机械厂吴邦相同志写的“等螺旋角锥度立铣刀”一文后,很多读者对此项经验比较关心,纷纷来信进一步了解情况,并索取资料,为满足一些工厂、学校等单位的需要,特请该厂结合读者提出的问题,就有关“等螺旋角锥度立铣刀”制造中的一些具体内容,加以介绍。 After the publication of the article “Equal Helical Taper End Milling Cutters” by Wu Bangli, Beijing Coal Mining Machinery Factory, published in the fourth issue of last year, many readers are more concerned about this experience and have sent letters to further understand the situation and obtain information for satisfying some Factories, schools and other units needs, especially requested the factory with the reader’s questions, on the “spiral cone taper cutter,” the manufacture of some of the specific content to be introduced.