Patent ID: 9468969
Filing Date: 2016-10-18
CPC Classification: B21H

Claim Text:
1. An axial thread rolling head, comprising a head part ( 12 ), in which at least three thread rolls ( 26 ) are rotatably mounted, wherein the thread rolls ( 26 ) amongst themselves border an insertion section ( 34 ) for a workpiece, and wherein the thread rolls ( 26 ) each have a profile ( 44 ) for forming an outer thread on the workpiece, characterized in that the thread rolls ( 26 ) are held non-adjustably in the radial direction in the head part ( 12 ), wherein the profile ( 44 ) of each thread roll ( 26 ) is respectively designed asymmetrically such that the thread rolls ( 26 ) with their asymmetrical profile form a symmetrical external thread on the workpiece, and further wherein the profile (