Process for production of an object consisting of at least two parts movable relative to each other, one of which is substantially enclosed within the other, and a device for performing this process.

摘要

Two (or more) loose ring like elements (2, 19) e.g. inner race rings (2) of a rolling bearing (1), can be welded together while being pressed together and rotated by a suitable device inside a (ring like body or outer ring (4, 18) by an electron beam (16) admitted through a small opening (5, 21) in the outer ring (4, 18).