调精镗 中文名称：精密镗刀杆英文名称：precision boring bar 定义：可对镗刀进行手动wmqqshuzifun 高刚性：整支刀杆全硬质合金精细研磨而成，硬度高于HRC85，中空处理加强了刀杆的可在RPM5000以上使用.柄
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precision n boring bar 精密镗孔刀杆
The results show it is important to use high. damping materials for improving dynamic performance of precision boring bar, especially of precision adjustable boring bar.
结果表明，采用具有优良阻尼性能的材料对于提高精密镗杆，特别是精密可调镗杆的切削稳定性，具有十分重要的作用。
A new magnetostriction material boring bar is presented for precision finishing of different types of odd-shaped pinholes, and structural optimization and test validation are carried out.
为实现各类异形销孔的精密加工，提出了一种基于磁致伸缩材料的新型镗杆结构，并对其进行了结构优化和试验验证。
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。
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