An Study of Wear and Extreme Pressure Procedure for Lubricating oils by using Ducom Four Ball Testing Machine

In this paper, we described how tribological properties of a lubricant can be measured using the Four ball oil tester. This paper covers other methods for determining tribological characteristic of a lubricating grease & oil using two ASTM test methods, the 4-Ball EP Tester and 4 Ball Wear. The 4 Ball EP Tester focuses on Extreme pressure (EP) properties and the 4 Ball Wear focuses on wear scar (WS), and coefficient of friction (COF). As per the American Society of Testing Materials (ASTM-D-4172-B), the standard test technique for measurement of Wear properties of lubricating oils by using Four Ball Testing Machine plays an important role in oil industry while selecting such oils as a lubricating media for testing various types of Wear and The measurement of Extreme-Pressure properties of a lubricating grease using the 4 Ball method is designated under the ASTM-D 2596.