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Standard Test Method for Measuring Friction and Wear Properties of Extreme Pressure (EP) Lubricating Oils Using SRV Test Machine
STANDARD published on 1.12.2011
Designation standards: ASTM D6425-11
Note: WITHDRAWN
Publication date standards: 1.12.2011
SKU: NS-35096
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
coefficient of friction, EP additives, EP lubricants, lubricating oil, oscillation, SRV, wear, EP (extreme-pressure) lubricants, Friction/frictional properties, Lubricating oils, SRV (Schwingung/Reibung/Verschleiss) test machine, Wear testing--petroleum products, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Significance and Use | ||||||||||||
This test method can be used to determine anti-wear properties and coefficient of friction of EP lubricating oils at selected temperatures and loads specified for use in applications in which high-speed vibrational or start-stop motions are present for extended periods of time under initial high Hertzian point contact pressures. It has found application as a screening test for lubricants used in gear or cam/follower systems. Users of this test method should determine whether results correlate with field performance or other applications. |
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1. Scope | ||||||||||||
1.1 This test method covers an extreme pressure (EP) lubricating oil's coefficient of friction and its ability to protect against wear when subjected to high-frequency, linear oscillation motion. The procedure is identical to that described in DIN 51834. 1.2 This test method can also be used to determine the ability of a non-EP lubricating oil to protect against wear and its coefficient of friction under similar test conditions. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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