Presentation Profile
Advances in Instrumentation for ASTM D2266 and D2596 (Four-Ball Test Method for Lubricating Greases)
Currently Scheduled: 10/10/2023 - 12:20 PM - 12:40 PM
Main Author
Raj Shah - Koehler Instrument Company, Inc.
- Gyeongmin Oh - Dept. Of Chemical Engineering, State Univ. of NY, Stony Brook
- Anthony Schevon - Koehler Instrument Company, Inc.
Abstract:
Lubricants and greases are used to prevent damage to machinery and maximize operational efficiency by decreasing the coefficient of friction on moving parts. In order to accurately evaluate lubricants for friction and wear properties, a variety of tribology testing methods are commonly used. Tribology testing measures wear prevention, extreme pressure in relation to functionality, and the frictional coefficient of lubricants. The Four-Ball Method utilizes four steel balls, with one steel ball under load rotating upon three stationary steel balls coated in lubricant. The newly designed benchtop Four-Ball model, K93170-PN, by Koehler Instrument Company, holds a major advantage of a reduced size perfect for laboratory environments. In addition, this instrument features integrated data acquisition along with other advanced software functions. This poster explains the importance of this test procedure and showcases the easy operation of the K93170-PN instrument while exploring the use of the Four-Ball method for measuring the wear prevention and extreme pressure properties of lubricating greases according to ASTM D2266 and ASTM D2596. In addition, determining the friction coefficient of lubricating greases using ASTM D5183 will also be discussed alongside relevant laboratory data analysis.
