枪钻技术是精密孔加工的有效方法

Effective gun drilling method for processing precision holes

枪钻技术是一种高效率、高精度的孔加工方法，国外已广泛采用。为扩大这一新技术的应用，本文就枪钻机床和枪钻的结构特点及其切削用量和刀具材料作了介绍。

Gun drilling is a high efficient and high precision hole processing method extensively adopted in foreign countries. In order to extend this new technology, the article introduces the mechanism of gun drilling and gun driller, cutting data and tool material.