Abstract
The main aim of this paper is to investigate the tribological performance of vegetable – based bio-lubricant as reciprocating air compressor oil. The tribological test at different operating conditions like frequency, stroke, load, temperature, speed and operating time was performed by the help of HFRR (High Frequency Reciprocating Rig) tribometer. The cylinder liner and piston ring material of reciprocating air compressor was taken for this tribological test under five different lubricants namely SAE30, PE, PE25, PE50 and PE75. The tribological results were shown that the experimental COF and Wear depth was reduced with PE 50 and PE75 as compared to other lubricants i.e., PE, PE25 and SAE 30. Also PE75 bio-lubricant was shown that the smoother worn surfaces of the tested specimen, which was confirmed by SEM and EDAX analysis.
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