Eccentric press

A mechanical pressA forging press with an inertia flywheel, a crank and clutch, or other mechanical device to operate the ram. in which an eccentricThe offset portion of the driveshaft that governs the stroke or distance the crosshead moves on a mechanical or manual shear., instead of a crankshaft, is used to move the ramThe main reciprocating member of a press, guided in the press frame, to which the punch or upper die is fastened..