To improve the workability and to increase the quality, by eliminating the unevenness of a setting value, as well as setting the position of a working tool automatically when a cutting process is carried out.

A cutting machine holds and fixes a work to be processed by a fixed vice joe and a moving vice joe 5M, and carries out the cutting process of the work by using a processing tool 17 provided to a movable housing yoke. A plate 27 for detecting as a detected means interlocked to the moving vice joe 5M, or a limit switch 23 as a detecting means is provided, and the detecting switch 23 as a detecting means, or the plate 27 for detecting as a detected means is provided to the housing yoke 11, corresponding to the plate 27 for detecting or the limit switch 23, while a stopper 25 is provided to the detecting switch 23.