| 摘要 |
PROBLEM TO BE SOLVED: To provide a hobbing machine that can efficiently blow out cut chips adhering to a hob with a reduced amount of air injection.SOLUTION: A hobbing machine 1 rotating a hob 10 and a workpiece W mutually while meshing them each other to cut a tooth in the workpiece W with the hob 10 without using cutting oil includes an air injection nozzle 21 provided on the opposite side of the workpiece W while interposing the hob 10 therebetween and jetting air A toward a jetting position located on the opposite side of a meshing position of the hob 10 with the workpiece W about a hob rotation axis B so as to make an opposite flow relative to the rotation of the hob 10. |
