Bolt thread rolling machine - has removable intermediate bearings between rolling tool adjusting elements and abutments

摘要

The machine is for the rolling of threads in bolts. It has removable rolling tools, one displaceable and one displaceable or stationary bearing for the tools, adjusting screws, etc., between bearings and abutments, for relative rolling tool adjustment. Securing elements fix the tools in the selected position. An intermediate bearing id positioned between each adjusting unit and its associated abutment. Securing- and adjusting elements engage on the bearing for each rolling tool and the associated intermediate bearing. Locking units fasten each intermediate bearing on its abutment.