在机械加工中,常常会遇到一些带深孔的零件,如齿轮箱的箱体、车床的尾架等,它们的孔的长度通常是直径的四倍或五倍以上。这些零件的深孔,加工起来相当困难。因为在加工过程中,由于一系列的原因,会使孔的精度和光洁度变坏,影响加工质量,甚至产生废品。这里就来谈一谈深孔加工产生偏差的原因及防止方法。 In machining, there are often encountered with deep hole parts, such as the box gear box, the tailstock lathe, the length of their holes are usually four times the diameter or more. The deep holes in these parts are quite difficult to machine. Because in the process, due to a range of reasons, will make the hole accuracy and finish deterioration, affecting the processing quality, and even produce waste. Here to talk about the reasons for deep hole processing deviation and prevention methods.