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本文系我局大连机床厂在孔加工工作中所获得的一些经验，该文内详细的介绍了一般零件的孔加工工序；刀具的刚性与孔加工准确度的关系；镗模的设计原则及通常使用的镗模构造；镗杆的材料、装置和由于加工性质关系选择不同的镗杆；各种不同类型镗刀的构造及其应用。为了不断地提高孔加工工作和谋取目前普遍存在的孔加工问题获得进一步解决，特此发表，供各厂参考。
This article is my bureau Dalian Machine Tool Works in the hole machining work gained some experience, this article describes in detail the general parts of the hole machining process; tool rigidity and hole machining accuracy; boring mold design principles and usually The use of the boring mold structure; boring bar materials, devices and due to the nature of the processing properties of different choice boring bar; various types of boring knife structure and its application. In order to continuously improve the hole machining work and to seek the current hole processing problems to be further resolved, hereby issued for reference.