Patent ID: 6244388
Filing Date: 2001-06-12
Classification: B22D,F16N

Abstract:
A dry graphite lube applicator for a die cast machine having an injection sleeve, the dry graphite lube applicator comprising:a hopper holding dry graphite lube;a feeding chamber in gravity communication with the hopper;a feeding turn screw disposed within the feeding chamber having a plurality of spiraling turns disposed around the circumference of the turn screw, wherein each turn holds a predetermined amount of dry graphite lube;a driving device connected to the feeding turn screw to rotate the feeding turn screw within the feeding chamber;a controlling device coupled to the driving device to control extent of the turning of the turn screw to accurately estimate an amount of dry graphite lube to be deposited based on the number of turns of the turn screw and the speed of the turns;a dispensing chamber in communication with the feeding chamber, wherein the feeding screw deposits the accurately estimated amount of dry graphite lube;an air compressor source in pressure communication with the dispensing chamber to deliver the accurately estimated amount of dry graphite lube to the injection sleeve of the die cast machine.