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Southwest Research Institute® (SwRI® ), recognized worldwide as a
leader in fuels and lubricants
research, offers the Plint TE-77
reciprocating test to investigate the
frictional response and wear
properties of materials and
lubricants. The computer-controlled
test provides in-test control of load,
reciprocation speed, and test
temperature. Friction and contact
potential is measured throughout
the test; stroke length is set pre-test.
The test components can bemanufactured from the materials or
components to be investigated and
may also be surface-finished and/
or textured as desired. Using the
rig, it is possible to investigate a
range of contact geometries
including point and line contact as
well as ring liner interactions, which
permits the study of lubricants
(solid, grease and fluid) and
lubricant additives.
Standard test methods areavailable as well as custom test
design. SwRI also offers
radionuclide on-line wear analysis,
which allows independent
investigation of components to high
resolution during the test.
Post-test wear scar analysis and
component surface film analysis
offer more in-depth understanding
of wear mechanisms and
component/additive interactions.
Both are available at SwRI.
Standard TestMethods
The Plint TE-77 test rig is
used in a number of
standard test methods:
• ASTM D5706 –
Standard Test Method for
Determining Extreme
Pressure Properties of
Lubricating Grease Using
a High Frequency Linear-
Oscillating Test Machine
• ASTM D5707 –Standard Test Method for
Measuring Friction and
Wear Properties of
Lubricating Grease Using
a High Frequency Linear-
Oscillating Test Machine
• ISO/DIN 12156-2 –
Diesel Fuel Lubricity –
Performance
Requirement Test Method
for Assessing Fuel
Lubricity
• ASTM D6079 –
Standard Test Method for
Evaluating Lubricity of
Diesel Fuels by the High-
Frequency Reciprocating
Rig (HFRR)
Plint TE-77 Reciprocating Test Rig
Plint TE-77 Test Specifications
Load 5 – 1000 N
Temperature Ambient – 600°C
Stroke length 0 – 25 mm
Frequency 2 – 50 Hz
Friction force -500 to 500 N
Test duration Operator choice
Contact geometry Ball on plate, cylinder on plate, ring liner
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Peter M. Lee, PhD, CEng
Principal Engineer / Tribologist
Engine Lubricants Research Department
(210) 522-5545
Fuels and Lubricants Research Division
Southwest Research Institute
6220 Culebra Road • P.O. Drawer 28510
San Antonio, Texas 78228-0510
Plinttestrig.swri.org
swri.org
S O U T H W E S T R E S E A R C H I N S T I T U T E
Southwest Research Institute is an independent, nonprofit, applied engineering and physical sciences research and
development organization using multidisciplinary approaches to problem solving. The Institute occupies 1,200 acres in
San Antonio, Texas, and provides more than 2 million square feet of laboratories, test facilities, workshops and offices
for more than 3,000 employees who perform contract work for industry and government clients.
We welcome your inquiries.
For additional information,
please contact:
Benefiting government,
industry and the public
through innovative science
and technology
An Equal Opportunity Employer M/F/D/V
Committed to Diversity in the Workplace
Quality Accomplishments
The Office of Automotive Engineering (OAE) at SwRI is certified to ISO 9001:2008, “Quality Management Systems − Requirements,”
accredited to ISO/IEC 17025:2005, “General Requirements for the Competence of Testing and Calibration Laboratories,” and
certified to ISO 14001:2004, “Environmental Management Systems.” The OAE has also achieved Ford Tier 1 status for providing
engineering services and the Engine, Emissions and Vehicle Research Division has received the Ford Q1 Quality Award. In addition,
the Petroleum Products Research Department is a Nuclear Procurement Issues Committee (NUPIC)-approved laboratory and theFuels and Lubricants Research Division has maintained its status as an American Chemistry Council (ACC)-approved laboratory.
