The designs of boring process, boring mould, boring bar, boring tool and precision boring head are analyzed and researched, and the five problems above are solved.
本文从机床布置、镗削工艺、镗模、镗杆、镗刀、精镗头的设计等诸方面进行了分析、探讨，对以上五个难点问题给以解决。
The design combination boring head is for enhances the box body the processing precision and the efficiency.
其中设计专用夹具和组合镗头的应用进一步提高箱体的加工精度和效率。
The design combination boring head is for enhances the box body the processing precision and the efficiency.
其中设计专用夹具和组合镗头的应用进一步提高箱体的加工精度和效率。
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