Microcomputer controlled four ball friction and wear testing machine

Microcomputer controlled four ball friction and wear testing machineThis machine mainly evaluates the bearing capacity of lubricants under contact pressure conditions in the form of sliding friction. Including three indicators: maximum non card bite load PB, sintering load PD, and comprehensive wear value ZMZ.

Applicable standard

1. GB/T 3142-2019 "Determination of Bearing Capacity of Lubricants (Four Ball Method)"

2. GB/T 12583-1998 "Determination of Extreme Pressure Properties of Lubricants (Four Ball Method)"

3. SH/T 0189-2017 "Determination of Wear Resistance of Lubricating Oil (Four Ball Method)

4. SH/T 0202-1992 "Determination of Extreme Pressure Properties of Lubricating Greases (Four Ball Machine Method)

5. SH/T 0204-1992 "Method for determination of anti-wear performance of lubricating grease (four ball machine method)"

6. SH/T 0762-2005 "Determination of Friction Coefficient of Lubricating Oil (Four Ball Method)"

7. ASTM D2266 "Determination of Wear Resistance of Lubricating Greases"

8. ASTM D2596 "Determination of Extreme Pressure Properties of Lubricating Greases"

9. ASTM D2783 "Determination of Extreme Pressure Properties of Lubricants"

10. ASTM D4172 "Determination of Wear Resistance of Lubricating Oil"

11. ASTM D5183 "Test Method for Determining the Friction Coefficient of Lubricating Oil Using a Four Ball Wear Tester"

12. IP 239 2005 "Determination of Extreme Pressure and Wear Resistance of Petroleum and Petroleum Products - Four Ball Machine Test Method"

13. ISO 20623:2003 "Determination of Extreme Pressure and Wear Resistance of Petroleum and Petroleum Products - Four Ball Machine Test Method"

Microcomputer controlled four ball friction and wear testing machineTest parameters

Test force: Using servo motor, it can display the actual load in real time, which should be consistent with the required values of various standards, and the repeatability should not exceed ± 2N

Axial test force working range: 10-10000N

Relative error of test force indication: ± 1% (0.5)

Long term automatic maintenance of test force indication error: ± 1% F.S (0.5)

Loading method: servo motor fully automatic loading, load direct display (non hydraulic, non lever), automatic completion of SH-T 0762 standard

Friction torque:

Friction torque measurement range: 0-13500N.mm

Relative error of friction torque indication: ± 1%

Spindle speed:

Spindle frequency conversion speed range: 1-2000r/min

Spindle speed error: ± 2r/min

Oil box travel:>45mm

Spindle bore taper: 0.04652777777777778

Heating system of testing machine:

Working temperature range of heater: room temperature~250 ℃

Temperature control accuracy: ≤ 2 ℃