MRS-10AMicrocomputer controlled four ball friction testing machine

1Main purpose and scope of application

This machine mainly evaluates the bearing capacity of lubricants in the form of sliding friction under high point contact pressure conditions. Including larger non card bite loadsP_BSintering loadP_DComprehensive wear valueZMZWait for three indicators. This machine can also perform long-term wear resistance tests on lubricants, measure friction coefficients, and record friction and temperature curves.

Applicable standards for this machine:

GB/T12583-98Lubricant extreme pressure performance determination method (four ball machine method)

GB3142-82Lubricant bearing capacity determination method (four ball method)

SH/T0189-92Measurement method for anti-wear performance of lubricating oil (four ball machine method)

SH/T0202-92Lubricating grease extreme pressure performance determination method (four ball machine method)

SH/T0204-92Determination method for anti-wear performance of lubricating grease (four ball machine method)

IIMain technical indicators

3、 Working conditions

a) Room temperature10~35^○CWithin the scope;

b) Relative humidity not exceeding 80%;

c) In an environment without vibration, corrosive media, and strong electromagnetic interference;

d) The fluctuation range of power supply voltage should not exceed ± 10% of the rated voltage, the fluctuation range of frequency should not exceed 2% of the rated frequency, and the unbalanced voltage of three-phase voltage should not exceed 10V;

e) Install correctly on a stable foundation, with a levelness not exceeding 0.2/1000

4、 Basic configuration

4.1. Testing machine host: composed of machine base, spindle drive, piston force application system, electrical control cabinet, etc.

4.2. Full digital electrical measurement amplification control system and LCD display system: Real time display of test force, friction force, speed, test rotation speed, time, and temperature.

4.3. Load Sensor Sensor

4.4. Based on WINDOWS computer data processing software

4.5. Computer: Lenovo branded computer

4.6. Printer: HP Color A4 Printer

4.7. High precision measuring microscope: Shanghai Optical Instrument Factory 15J, magnification 25X

4.8. One high-temperature platinum resistance sensor

4.9. Friction pair for testing:

a) 1 set of high-temperature friction pair oil box;

b) 1 set of friction pair oil box at room temperature;

c) 100 specialized steel balls for four ball machines

5、 Functions of measurement and control system and testing software usage

(1) Implement national standardsGB/T12583-1998(Measurement method for extreme pressure performance of lubricants)TheZB E 34007-87(Four ball method for abrasion resistance test)Waiting for experimental methods;

(2) Friction force, peak value, and load, with an accuracy of each range20%Start displaying ±1%, can be automatically calibrated;

(3) Real time display of motor speed(speed)And the duration of the experiment;

(4) Equipped with multiple protection functions: friction, load, motor speed, etc;

(5) Real time recording of friction force-Time and load-Time test curve, high-speed sampling;

(6) Adopting a variable structurePIDThe control algorithm adjusts the loading process,

(7) When the test force exceeds a certain upper limit, the system will automatically enter overload protection and take certain measures in a timely manner to ensure the safety of the testing machine;

(8) The experimental data is managed through data file management, which can save all experimental data and curves, and print the experimental report format in accordance with national standards.

label:MRS-10AMicrocomputer controlled four ball friction testing machine