gun drill

基本解释

The research of the deep hole processing system which used gun-drill and the forced-air cooling technique;
通过对深孔加工常用方法的分析，设计了一种集镗削、滚压于一体的组合镗滚刀具。
There are two kinds of gun drills, namely, the center-cut gun drill used for drilling blind holes and the trepanning drill.
深孔钻有两种类型，即用于钻盲孔的中心切削深孔钻和套孔钻。
Hollow shaft type high pressure cooling system is used to solve the problem in deep drilling, as well as gun-drill with open groove, proper cutting consumption and single tool withdraw are applied.
笔者主要阐述了数控深孔钻床在使用枪钻进行深孔加工时工艺参数的选择，寻求最佳加工性能，以求达到快速加工、提高效率的目的。