| 释义 |
1 [机]?精镗 ... space n. 速度〔率〕,快速,转数,v. 加快〔速〕,提高...的速度,调整...的速度,急行 precision boring n. 精镗 copy grinding n. 仿形磨制机床 ...
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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。 - 2
Because of the high requiring of the size, shape, position precision and roughness of pinhole, a high precision boring cutter is required to design and manufacture. 由于销孔尺寸、形状和位置精度及粗糙度的要求都很高，一般都需要设计并制造高精度的镗头。 - 3
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。
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