The friction wear balance is a relatively simple test device for investigating the high-pressure lubricity of oils and emulsions. |
A rotating steel test specimen is one-third immersed in the test liquid contained in a tank. Against it, a steel cylinder is pressed with crossed axis. The wear dome forming on the cylinder in the course of 100 m sliding distance is measured. |
The purpose of the test is to determine the wear-reducing properties of lubricants.
In the meantime, the so-called Brugger test, which works with the same specimen arrangement as the RVW, has even been standardized in DIN 51 347.
Test bench parameters | Reichert RVW |
Sliding speed | 1.7 m/s (speed 900 1/min) |
Load | 200, 300 or 600 N |
Temperature | 0 to 120 °C |
Movement types | Glide |
Friction conditions | Solid, boundary and mixed friction |
Contact geometry | Point contact |
Measured variables | Noise meter, wear calotte |
Standard conditions | 950 rpm and 300 N (other loads optional) |