Four ball apparatus – tester for AW/EP properties of lubricants
Four ball apparatus – tester for AW/EP properties of lubricants
- Contact: three point
- Type of motion: sliding
- Load: 50 N to 12000 N
- Rotation speed: 150 min-1 to 3000 min-1
- Temperature: 20 °C to 100 °C
- Standard tests: DIN 51350, ASTM D 2266, D 2596, D 2783 and D 4172