Abstract
The qualification test method used for evaluating the load carrying properties of oils in the IAE gear machine requires too high an oil sample, and so a modified lubricant system with a smaller sample was used in evaluation. But as this method was suitable only for low viscosity oils, another version was proposed and is tested in this paper. Tests were run on five oil samples. It is found that the standard and experimental methods for evaluation of the load carrying capacity of lubricating oils in the IAE gear machine give practically the same results and are characterized by high precision. The new method makes it possible to carry out the evaluation with a 0.8-1 liter sample rather than the 9 liter sample required in the standard method.
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