ASTM D5707-16
(Test Method)Standard Test Method for Measuring Friction and Wear Properties of Lubricating Grease Using a High-Frequency, Linear-Oscillation (SRV) Test Machine
Standard Test Method for Measuring Friction and Wear Properties of Lubricating Grease Using a High-Frequency, Linear-Oscillation (SRV) Test Machine
SIGNIFICANCE AND USE
5.1 This test method can be used to determine wear properties and coefficient of friction of lubricating greases at selected temperatures and loads specified for use in applications where high-speed vibrational or start-stop motions are present for extended periods of time under initial high Hertzian point contact pressures. This test method has found application in qualifying lubricating greases used in constant velocity joints of front-wheel-drive automobiles and for lubricating greases used in roller bearings. Users of this test method should determine whether results correlate with field performance or other applications.
SCOPE
1.1 This test method covers a procedure for determining a lubricating grease's coefficient of friction and its ability to protect against wear when subjected to high-frequency, linear-oscillation motion using an SRV test machine at a test load of 200 N, frequency of 50 Hz, stroke amplitude of 1.00 mm, duration of 2 h, and temperature within the range of the test machine, specifically, ambient to 280 °C. Other test loads (10 N to 1200 N for SRVI-model, 10 N to 1400 N for SRVII-model, and 10 N to 2000 N for SRVIII-model), frequencies (5 Hz to 500 Hz) and stroke amplitudes (0.1 mm up to 4.0 mm) can be used, if specified. The precision of this test method is based on the stated parameters and test temperatures of 50 °C and 80 °C. Average wear scar dimensions on ball and coefficient of friction are determined and reported.
Note 1: Optimol Instruments supplies an upgrade kit to allow SRVI/II-machines to operate with 1600 N, if needed.
1.2 This test method can also be used for determining a fluid lubricant's ability 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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Designation: D5707 − 16
Standard Test Method for
Measuring Friction and Wear Properties of Lubricating
Grease Using a High-Frequency, Linear-Oscillation (SRV)
1
Test Machine
This standard is issued under the fixed designation D5707; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* A295/A295MSpecification for High-Carbon Anti-Friction
Bearing Steel
1.1 This test method covers a procedure for determining a
D217Test Methods for Cone Penetration of Lubricating
lubricating grease’s coefficient of friction and its ability to
Grease
protect against wear when subjected to high-frequency, linear-
D4175Terminology Relating to Petroleum Products, Liquid
oscillation motion using an SRV test machine at a test load of
Fuels, and Lubricants
200N, frequency of 50Hz, stroke amplitude of 1.00mm,
D5706Test Method for Determining Extreme Pressure
duration of 2h, and temperature within the range of the test
Properties of Lubricating Greases Using a High-
machine, specifically, ambient to 280°C. Other test loads
Frequency, Linear-Oscillation (SRV) Test Machine
(10N to 1200N for SRVI-model, 10N to 1400N for SRVII-
D6425Test Method for Measuring Friction and Wear Prop-
model, and 10N to 2000N for SRVIII-model), frequencies
erties of Extreme Pressure (EP) Lubricating Oils Using
(5Hzto500Hz)andstrokeamplitudes(0.1mmupto4.0mm)
SRV Test Machine
can be used, if specified. The precision of this test method is
D7755Practice for Determining the Wear Volume on Stan-
based on the stated parameters and test temperatures of 50°C
dard Test Pieces Used by High-Frequency, Linear-
and 80°C. Average wear scar dimensions on ball and coeffi-
Oscillation (SRV) Test Machine
cient of friction are determined and reported.
E45Test Methods for Determining the Inclusion Content of
NOTE 1—Optimol Instruments supplies an upgrade kit to allow SRVI/
Steel
II-machines to operate with 1600N, if needed.
G40Terminology Relating to Wear and Erosion
1.2 Thistestmethodcanalsobeusedfordeterminingafluid
3
2.2 Other Standards:
lubricant’s ability to protect against wear and its coefficient of
DIN EN ISO 683-17 Heat-treated Steels, alloy steels and
friction under similar test conditions.
free-cuttingsteels—Part17:Ballandrollerbearingsteels
1.3 The values stated in SI units are to be regarded as
DIN 51834-3Testing of lubricants—Tribological test in
standard. No other units of measurement are included in this
translatory oscillation apparatus—Part 3: Determination
standard.
of tribological behaviour of materials in cooperation with
1.4 This standard does not purport to address all of the
lubricants
safety concerns, if any, associated with its use. It is the
DIN EN ISO 13565-2:1998Geometrical Product Specifica-
responsibility of the user of this standard to establish appro-
tions (GPS)—Surface texture: Profile method; Surfaces
priate safety and health practices and determine the applica-
having stratified functional properties —Part 2: Height
bility of regulatory limitations prior to use.
characterization using linear material ratio curve [Re-
places DIN 4776:1990: Measurement of surface rough-
2. Referenced Documents
ness; parameters R ,R ,R ,M ,M for the descrip-
K PK VK r1 r2
2
2.1 ASTM Standards: tion of the material portion]
3. Terminology
1
This test method is under the jurisdiction of ASTM Committee D02 on
3.1 Definitions:
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.G0.04 on Functional Tests - Tribology.
3.1.1 break-in, n—in tribology, an initial transition process
Current edition approved Oct. 1, 2016. Published January 2017. Originally
occurring in newly established wearing contacts, often accom-
approved in 1995. Last previous edition approved in 2011 as D5707–11. DOI:
panied by transients in coefficient of friction or wear rate, or
10.1520/D5707-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on AvailablefromDeutschesInstitutfurNormunge.V.(DIN),Burggrafenstrasse6,
the ASTM website. 10787 Berlin, Germany, http://www.din.de.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5707 − 16
both, which are uncharacteristic of the given tribological 3.1.13 Wv, n—Wearvolumeisthelossofvolumetotheball
system’s long-term behavior. G40 after a t
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D5707 − 11 D5707 − 16
Standard Test Method for
Measuring Friction and Wear Properties of Lubricating
Grease Using a High-Frequency, Linear-Oscillation (SRV)
1
Test Machine
This standard is issued under the fixed designation D5707; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This test method covers a procedure for determining a lubricating grease’s coefficient of friction and its ability to protect
against wear when subjected to high-frequency, linear-oscillation motion using an SRV test machine at a test load of 200 N, 200 N,
frequency of 50 Hz, 50 Hz, stroke amplitude of 1.00 mm, 1.00 mm, duration of 2 h, 2 h, and temperature within the range of the
test machine, specifically, ambient to 280°C.280 °C. Other test loads (10(10 N to 1200 N 1200 N for SRVI-model, 1010 N to 1400
N 1400 N for SRVII-model, and 1010 N to 2000 N 2000 N for SRVIII-model), frequencies (5(5 Hz to 500 Hz) 500 Hz) and stroke
amplitudes (0.1(0.1 mm up to 4.0 mm) 4.0 mm) can be used, if specified. The precision of this test method is based on the stated
parameters and test temperatures of 5050 °C and 80°C.80 °C. Average wear scar dimensions on ball and coefficient of friction are
determined and reported.
NOTE 1—Optimol Instruments supplies an upgrade kit to allow SRVI/II-machines to operate with 1600 N, 1600 N, if needed.
1.2 This test method can also be used for determining a fluid lubricant’s ability 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.
2. Referenced Documents
2
2.1 ASTM Standards:
A295/A295M Specification for High-Carbon Anti-Friction Bearing Steel
D217 Test Methods for Cone Penetration of Lubricating Grease
D4175 Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
D5706 Test Method for Determining Extreme Pressure Properties of Lubricating Greases Using a High-Frequency, Linear-
Oscillation (SRV) Test Machine
D6425 Test Method for Measuring Friction and Wear Properties of Extreme Pressure (EP) Lubricating Oils Using SRV Test
Machine
D7421D7755 Test Method for Determining Extreme Pressure Properties of Lubricating Oils Using Practice for Determining the
Wear Volume on Standard Test Pieces Used by High-Frequency, Linear-Oscillation (SRV) Test Machine
E45 Test Methods for Determining the Inclusion Content of Steel
G40 Terminology Relating to Wear and Erosion
3
2.2 Other Standards:
DIN EN ISO 683-17 Heat-treated Steels, alloy steels and free-cutting steels – Part steels—Part 17 : Ball and roller bearing steels
DIN 51834–3:2008–1251834-3 Testing of lubricants — Tribological lubricants—Tribological test in translatory oscillation
apparatus — Part apparatus—Part 3: Determination of tribological behaviour of materials in cooperation with lubricants
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.G0.04 on Functional Tests - Tribology.
Current edition approved Dec. 1, 2011Oct. 1, 2016. Published March 2012January 2017. Originally approved in 1995. Last previous edition approved in 2011 as
ε1
D5707–05(2011)D5707 – 11. . DOI: 10.1520/D5707-11.10.1520/D5707-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from Deutsches Institut fur Normung e.V.(DIN), Burggrafenstrasse 6, 10787 Berlin, Germany, http://www.din.de.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5707 − 16
DIN EN ISO 13565-2:1998 Geometrical Product Specifications (GPS) – Surface
...
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