Cutting machine

A cutting machine comprising:

• a housing including a cutting room in which a cutting object is cut;
• a gripping portion to selectively grip one of a cutting tool that cuts the cutting object and a dummy pin that does not cut the cutting object and is in the cutting room;
• a spindle to rotate the gripping portion around an axis line;
• a contact body in the cutting room and capable of contacting the dummy pin gripped by the gripping portion;
• a position adjuster to change a relative positional relationship between the gripping portion and the contact body;
• and
• a controller;
• wherein
• the controller is configured or programmed to include a dummy pin cleaning controller configured or programmed to execute dummy pin cleaning by rotating, in a state where the dummy pin gripped by the gripping portion is brought into contact with the contact body, the dummy pin together with the gripping portion by the spindle.