A control device includes: a control unit configured to control a main processing machine by replacing a machining shape on a machining surface of a workpiece specified in a program with a shape corresponding to an enlargement/reduction ratio and replacing a fixing distance for a core specified in the program with a distance corresponding to the enlargement/reduction ratio for the machining shape of the workpiece and a plate thickness ratio between the workpieces.

A control device includes: a control unit configured to control a main processing machine by replacing a machining shape on a machining surface of a workpiece specified in a program with a shape corresponding to an enlargement/reduction ratio and replacing a fixing distance for a core specified in the program with a distance corresponding to the enlargement/reduction ratio for the machining shape of the workpiece and a plate thickness ratio between the workpieces.