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孔加工约占机械加工量的三分之一,是一种重要的加工方式。在这一范畴内,由于孔的形状,规格、精度与用途不同,加工方法各异,使得孔加工用刀具的种类繁多。表1为各种孔加工刀具。以加工中心为例,各种孔加工刀具的组成比例如图1所示。相对而言,孔加工技术发展缓慢,这是由于孔加工条件比车、铣苛刻。近年来,随着多品种中小批量生产高效率、自动化要求的提高,以及加工中心的飞跃发展与普及,孔加工
Hole processing accounts for about one-third of the amount of machining, is an important method of processing. In this category, due to the hole shape, size, accuracy and use different processing methods vary, making a wide range of hole machining tools. Table 1 for a variety of hole processing tools. Take a machining center as an example, a variety of hole processing tool composition ratio shown in Figure 1. Relatively speaking, the hole processing technology is developing slowly, which is due to the hole processing conditions than cars, milling harsh. In recent years, with many varieties of small and medium batch production of high efficiency, increased automation requirements, as well as the rapid development and popularization of machining centers, hole machining