MANUFACTURING DEVICE FOR MAGNET BODY FOR FIELD POLE AND MANUFACTURING METHOD FOR SAME

摘要

In this manufacturing device for a magnet body for a field pole that brings an upper mold punch into contact with a magnet body affixed onto a lower mold die and applies pressure to fracture the magnet body, at least one or more protruding parts are formed in the upper mold punch symmetrically with respect to a center position in the direction of the magnet body width.