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PCS - Model 2 -Mini-Traction Machine (MTM)
The MTM2 is a flexible general purpose instrument for measuring the frictional properties of lubricated and unlubricated contacts under a wide range of rolling and sliding conditions. To date, PCS have sold over 400 MTMs worldwide and this number is continuing to rise at a steady pace. One of the main applications is the fully automated traction mapping of lubricants under conditions commonly found in internal combustion engines. Additional features allow the measurement of anti-wear additive film growth on test specimens, investigation of soft contacts, reciprocating friction and wear measurements.
In the standard configuration the test specimens are a 19.05mm (3/4″) steel ball and a 46mm diameter steel disc. The ball is loaded against the face of the disc and the ball and disc are driven independently to create a mixed rolling/sliding contact. The frictional force between the ball and disc is measured by a force transducer. Additional sensors measure the applied load, the lubricant temperature and (optionally) the electrical contact resistance between the specimens and the relative wear between them.
- Traction Measurement under EHL, Mixed and Boundary Lubrication
- Fuel Economy Modelling of Automotive Engine Oils
- Determination of Traction Coefficients for Continuously Variable Transmissions (CVT)
- Friction Modifier Evaluation using Rough Discs
- Wet Clutch Screening
- Boundary Additive Performance Evaluation
- Wear Measurement and Testing
- Soft Contact Investigation
- Load 0 to 75 N.
- Contact Pressures 0 to 1.25 GPa (standard specimens) up to 3.1 GPa with alternative specimens
- Speed -4 to 4 ms-1
- Slide/Roll Ratio 0 to 200%
- Temperature Range Ambient to 150°C (lower with optional oil cooler)
- Test Sample Volume 35 ml
- Power Supply 100 - 240 Vac
- Width 400mm/16"
- Depth 600mm/24"
- Height 400mm/16"
- Weight 30kg/66lb