| 摘要 |
A machining method in which cooling and lubrication of a machining part is achieved by supplying a liquid in a mist form to eliminate problems associated with cooling by direct liquid supply, and homogeneous mixing of the liquid and air is ensured even if a rotation shaft of a machine tool is utilized for the liquid supply. The machining method comprises the steps of: providing a machine tool which includes a rotation shaft (5) having a through-hole (15) longitudinally extending therethrough; separately supplying compressed air and a liquid into the through-hole (15); causing the compressed air and the liquid to separately flow through the through-hole (15); mixing the liquid with the compressed air in the through-hole (15) so as to form the liquid into a mist; causing the resulting mist to flow out of a distal end portion of the through-hole (15) into a tool fixed to the distal end portion of the through-hole (15); and machining a workpiece while ejecting the mist from a distal end of the tool to supply the mist to a machining part. |
