... 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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precision boring bar 精密镗孔刀杆 ; [机] 精密镗刀杆
precision boring tool shank 精密镗刀杆
precision boring head [机] 精密镗头
precision boring machellone 紧密孔眼机床
precision boring tool 精密镗孔刀具
precision boring heads 精密镗削头
precision boring mchine 紧密孔眼机床
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。
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。
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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