Twist Compression Tester
The Twist Compression Tester is a laboratory tribology instrument designed to evaluate friction behavior and adhesive wear properties of materials under combined axial compressive load and relative torsional motion. You use this system to perform standardized tests under dry or lubricated conditions in accordance with ASTM G223, enabling reliable comparison of material friction coefficients, friction torque, and adhesive wear performance.
Standards
ASTM G223 – Standard Test Method for Measuring Friction and Adhesive Wear Properties of Lubricated and Nonlubricated Materials Using the Twist Compression Test
Parameters
| Parameter | Specification |
|---|
| Hollow Cylinder Specimen |
25 mm outer diameter, 3 mm wall thickness |
| Flat Specimen |
40 × 40 mm, 3 mm thickness (variable) |
| Load Range |
1.5 – 50 kN |
| Loading Method |
Hydraulic |
| Load Measurement |
Load cell |
| Load Control |
Manual |
| Friction Measurement |
Force transducer |
| Test Temperature |
Ambient |
| Lubrication |
Manual |
| Rotational Speed |
0 – 37.4 rpm |
| Motor Type |
Three-phase AC gear motor |
| Motor Power |
2.6 kW |
| Maximum Output Torque |
630 Nm |
| Control and Data Acquisition |
Touch-screen PLC |
| Data Export |
USB storage |
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