METHOD FOR PRODUCING A GEAR WORM WHICH IS LOCATED IN PARTICULAR ON AN ARMATURE SHAFT, AND SUCH A GEAR WORM

The invention relates to a method for producing a gear worm () which is located in particular on an armature shaft () of an electromotive drive unit (), wherein firstly a worm gear () having screw flanks () axially opposite one another on a longitudinal axis () is formed by means of a rolling tool, and subsequently a groove structure () which is concentric about the longitudinal axis () is formed on the screw flanks () by means of an additional process step. The invention also relates to a gear worm () produced according to the method according to the invention, and to a transmission drive unit () containing such a gear worm ().