Abstract
An apparatus for the quantitative experimental investigation of the transient EHL problem for both line and point contacts is described in this paper. The apparatus can produce many types of dynamic load applied to the EHL contact zone. The dynamic film thickness was obtained with optical interference and high-speed photographic techniques. Varying rolling speed and dynamic load were measured by fast frequency response transducers. Based on a synchronous signal method, the instantaneous film thickness, load, and rolling speed were recorded synchronously to meet the needs of quantitative analysis. For illustration, a few experimental results are presented.
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