INFLUENCE OF LUBRICATION ON ENDURANCE OF ROLLING CONTACTS.
Progress rept. no. 11, 22 Mar-22 Jun 64,
SKF INDUSTRIES INC PHILADELPHIA PA
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Radiotracer wear tests were performed on the rolling ball test configuration using techniques developed previously. The progressive wear rate as a function of speed was determined for a polyphenyl ether lubricant. A single wear test point was obtained for the base stock of the Mil-L-23699 lubricant previously tested. The development of high resolution autoradiography techniques for the measurement of wear particle size distribution was completed. A color tinting process was developed to allow easier interpretation of the autoradiograms. Autoradiographic techniques were applied to investigate metallic transfer between rolling metal surfaces, in experiments performed on the rolling four-ball tester using a radioactive spindle ball and inactive orbiting balls. Conductivity tests were conducted in the rolling 4-ball machine using the base stock of a lubricant conforming to MilL-23699 and a highly refined mineral oil Primol 355 with a spindle load of 182 lbs. Author