SELF LUBRICATING AND CLEANING INJECTION PISTON FOR COLD CHAMBER INJECTION UNIT

摘要

The invention relates to a plunger tip (8) for use in a cold chamber die casting machine (1) having an annular arcuate recess (24) with pressurized air and lubrication nozzles (25, 26) located annularly within said recess and to a method for scraping, cleaning and lubricating the injection sleeve utilizing the plunger tip.