本刊今年第4期刊登了范文斗同志所写“金刚石铰刀的应用——淬火钢零件精密孔加工”一文后,陆续收到了有关金刚石铰刀使用的稿件。上海立新液压件厂在使用金钢石铰刀加工阀孔等工艺中有较成熟的经验,效果也很好。这里我们再推荐一篇他们厂使用金刚石铰刀方面的文章,供广大读者和有关方面参考。 This issue No. 4 of this year, published by Comrade Fan Wen-Do wrote “diamond reamer application - precision machining of hardened steel parts,” a text, one after another received the use of diamond reamer articles. Shanghai Lixin Hydraulic Factory in the use of diamond reamers valve hole processing technology such as more mature experience, the effect is also very good. Here we recommend an article they use diamond reamers for readers and interested parties for reference.