Forging process where the workpiece end goes through one or more stages of deformation. Beskrivning The process Generally an unheated workpiece in the form of thick wire or rod is fed into and fixed in a form [1], after which a die [2] is pressed axially towards its end with an applied pressing force. The workpiece end deforms step by step with subsequent mandrel blows until the final shape is achieved. Upset forging Product examples English translation unavailable for .English translation unavailable for .English translation unavailable for .English translation unavailable for .English translation unavailable for .