PURPOSE: To provide a cutting machine for angle cutting in which the feeding positioning of a work can be accurately carried out.

CONSTITUTION: A cutting machine for angle cutting is so constituted that a saw-blade housing 7 equipped with a saw blade in a base 3 is provided so as to be elevatable and turnable in the horizontal direction, and a support roller 41 for supporting a work is provided so as to be turnable in the feeding direction of the work in the region where the feeding region of the work and the turning region of the saw-blade housing are superposed, and also a roller- oscillating device 43 for horizontally oscillating the support roller 41 so that the support roller 41 is directed towards the direction approximately perpendicular to the feeding direction of the work while the saw-blade housing is turned is provided.