抄録
The use of the cutting fluid contains the factor of the environmental problem. For one of the cutting fluidless processing, the cold-air jet processing has been advocated. In the cold-air jet processing, it becomes important that the processing point is supplied, while temperature and pressure of the cold-air jet were kept. In this study, in order to efficiently supply the processing point with the cold-air jet, the endmill tool with air holes was produced experimentally, and the processing experiment was carried out. From the experimental results, it is proven that is no problem to 1.5mm at air hole diameter. And, it has became about 2.8 times the tool life than the dry-type processing in case of the endmill with the air holes which could supply the processing point whole area with cold-air jet.
