Abstract
Thin-film manganin pressure transducers have been developed for in situ pressure measurement in lubricated contacts. They are sufficiently small to allow resolution of the pressure spike, predicted by EHL theory. In addition, a resistance transducer for the simultaneous measurement of temperature and a capacitive transducer for the simultaneous measurement of oil film thickness have been developed. We are thus able to present results showing the dependence of position of the EHL pressure spike on load, and the oil film thickness and temperature as a function of pressure, measure by the pressure transducer, in both a laboratory test disc machine and an actual roller bearing.
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