vt.扩孔(平头钻；埋头孔)

n.用平底扩孔钻扩孔

Our products including End Mills, Machine Taps, Reamers, Center drills, Counterbore, Countersinks, Core drills, HSS tool bits and milling cutters. 公司产品包括：直柄、锥柄铣刀、丝锥、中心钻、倒角刀、扩孔钻、铰刀、锥钻、直钻及各类高速钢刀具。

Author presents in this paper a kind of mechanically fixed indexiable counterbore drill, and introduces the design and process of the tool instead of conventional solid HSS tool. 文章介绍了一种可转位机夹扩孔钻的设计及制造工艺用以代替传统的整体高速钢刀具。

This paper describes the principle and construction of active measuring instrument for section height of counterbore of angular contact ball bearings, and the analysis of measuring error. 本文介绍了向心推力球轴承锁球高主动测量仪的原理结构,对该种量仪的测量误差进行了分析,并计算了实例。

deep counterbore type gear shaper cutter 碗形直齿插齿刀

Keywords eccentric counterbore;positioning reference;linear eccentricity;slant;measurement;axial lead; 偏心锥孔;定位基准;偏心距;倾斜度;检测;轴心线;