The design value of the external diameter of the reamer is too large or the reaming cutting edge has burrs; Cutting speed is too high; Improper fee...

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...

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...

1. The cutter bar of deep hole drilling machine is limited by the hole diameter, with small diameter and large length, resulting in poor rigidity a...