METHOD FOR IMPROVING THE MECHANICAL PROPERTIES, ESPECIALLY THE HARDNESS, OF JOURNAL CROSSES FOR USE IN ARTICULATED SHAFTS

摘要

The invention relates to a method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts. According to the invention, a superficial area which is defined by the transition surfaces between two journals that are adjacent to each other in the peripheral direction and the superficial areas of the peripheral surfaces of the adjacent journals that point in the peripheral direction is induction-hardened in one method step and then quenched with cooling agents.