Manufacturing method and manufacturing device of element

An element manufacturing device for manufacturing an element that constitutes a transmission belt of a continuously variable transmission and that has a thick wall portion and a thin wall portion, by sequentially feeding a material having a strip shape with a uniform thickness to each press position and performing press working on the material at the press position, the element manufacturing device comprising:

• a preliminary punching die that is provided at a first press position and that performs preliminary punching in which a cutting off portion other than a connecting portion is cut off from a surrounding material while the connecting portion connected to the surrounding material is left, and the cutting off portion is punched so as not to overlap with the surrounding material in a plate thickness direction;
• a crushing die that is provided at a second press position downstream of the first press position in a feeding direction and that performs crushing work in which a region of the cutting off portion which corresponds to the thin wall portion is compressed;
• and
• a punching die that is provided at a third press position downstream of the second press position in the feeding direction and that performs punching work in which the cutting off portion is punched into an outer shape corresponding to the element.