《机床与工具》1956年第23期刊载此为译文,据作者..戴夫斯说:原来文章较长,限于版面,删减很多。据了解,有些读者感觉很难看懂。因此,我根据作者的授课,作如下的补充,若有不当之外,则咎于我领会错误,希读者指正。 重型机床主传动,大多数采用交流电动机与复杂的普通箱相连机械调 “Machine and Tools” 23, 1956 Published as a translation, according to the author .. Davies said: the original article is longer, limited to the layout, cut a lot of. It is understood that some readers feel difficult to understand. Therefore, according to the author’s teaching, I will make the following supplement. If there is anything wrong, I should blame my mistake and hope that the reader will correct me. Heavy machine main drive, most of the use of AC motors and complex common box connected mechanical adjustment