ASTM D7320评估磨损与黏度增厚测试(IIIG)序列火花点火发动机中汽车机器润滑油标准试验方法..
日期:2012-02-08 10:18
n automotive service, such thickening can cause oil pump starvation and resultant catastrophic engine failures.
The deposit ratings for an oil indicate the tendency for the formation of deposits throughout the engine, including those that can cause sticking of the piston rings in their grooves. This can be involved in the loss of compression pressures in the engine.
The camshaft and lifter wear values obtained in this test provide a measure of the anti-wear quality of an oil under conditions of
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