energiapiiranguga vormstantsimisseade toorikute deformeerimiseks dünaamiliste löökidega; erinevalt sepistusvasarast moodustavad stantsimisvasara alasi ja raam ühe terviku (vrd sepistusvasar), a power drop hammer for impression-die forging (closed-die forging); as different from open-die forging hammer the anvil is not separate and independent of the hammer frame (compare: open-die forging hammer)