A method of cutting of metal and non-metal materials in a non-combustible gas atmosphere

摘要

A cutting method of metal and non-metal materials in a non-combustible gas atmosphere by cutting the materials (W) by a tool (5) attached to a working machine (5A), by making a non-combustible gas (G) atmosphere such as a nitrogen gas or a carbon dioxide gas at the machining cutting tip (5A) or a space around the cutting tip (5A). The wear amount of the cutting tip improves, and the long tool life and the accurate machining can be obtained.