直柄麻花钻

基于UG的标准直柄麻花钻三维实体建模

3D Modeling of Standard Straight Handle Twist Drill on UG

直柄麻花钻用DGG回火处理，其切削寿命比常规三次回火的约提高30%，且可以降低能耗。

The field verification indicates that cutting life of straight stem twist drill treated with " LHH " tempering can be increased about 30 % when compared with that by conventional three times tempering , and thus the energy and man-hour may be saved .

高速钢直柄麻花钻预应力热处理试验研究

Prestressing Heat Treatment of High Speed Steel Straight Shant Twist Drill

本公司主要生产直柄麻花钻头，硬质合金多用直柄麻花钻，金属开孔器，钨合金锯片以及建工钻的专业生产厂家。

This company produces straight-handle twist drill , hard metal multi-aid straight-handle twist drill , metal hole digger , tungsten alloy saw blade , and building drill .