定中心夹头;
The use of the tapping chuck is particularly advantageous when working with the quick change system on drilling machines that allows to drill and tap in the same position without centring again.
这种夹头最大的优势是带有从钻孔到不同的直径的攻丝之间的快换系统,它只需要更换一个快换夹头就可以完成,不需要做其他的任何的调整。
This paper analyzes and discusses the construction, working principle and characteristic of general four jaw chuck and centring four jaw chuck by bracing inside diameter for vertical lathe for rough turning of the frame once.
论述立式车床粗车一次机座用的通用四爪卡盘和撑内径定心四爪卡盘的结构、工作原理及特点。
微语录 · 句子大全
微语录 · 十万个为什么
微语录 · 爱情句子
微语录 · 个性签名