DEVICE FOR SURFACE HARDENING OF PARTS

摘要

A device for hardening the surfaces of parts by means of plastic deformation. The device permits hardening bodies to be admitted by gravity into a chamber from an additional chamber by opening a valve which normally closes a hole between the two chambers. The valve is then closed and a stream of compressed air is admitted to propell the hardening bodies to harden the surface of parts. The hardening bodies can be caused to reenter the additional chamber upon completion of a hardening operation by opening the valve while the stream of compressed air is being applied.