It is difficult to dissipate heat and remove chips during deep hole drilling, and the manufacturer of internal chip removal deep hole drill is pron...

深孔钻加工中可视具体加工要求采取以下工艺措施：（1） 钻孔前，先预钻一个与钻头直径相同的浅孔，引钻时可起到导向定心作用，加工直线度要求较高的小孔时，这一步骤是必要的；（2） 安装、调试机床时，尽可能保证工件孔中心轴线与钻杆中心轴线重合；

CNC horizontal deep hole drilling machine is a machine tool that relies on specific drilling technology (such as gun drill, BTA drill, spray and su...

1. The adjustment of sizing block and anchor bolt is mainly to adjust the geometric accuracy of the machine tool through sizing block and anchor bo...

In the mechanical manufacturing industry, the cylindrical hole with the hole depth more than 10 times of the hole diameter is generally called a de...