STANDARD TEST – FOUR BALL

  • Value engineered tribometer for four ball wear and EP tests






    Features

    • Touch screen PC for data logging and control of speed and temperature
    • Low and high load range pneumatic cylinders
    • Precision regulator for manual control of load
    • Air bearing mounted load and friction assembly

    Standard Tests

    • ASTM D2266 Wear Preventive Characteristics of Lubricating Greases
    • ASTM D4172 Wear Preventive Characteristics of Lubricating Fluid
    • ASTM D2596 Extreme Pressure Properties of Lubricating Greases
    • ASTM D2783 Extreme Pressure Properties of Lubricating Fluid
    • ASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine
    • IP 239 Extreme Pressure Properties: Friction and Wear Test for Lubricants
    • DIN 51350/1-4 Testing Lubricants: Testing in the Shell Four-Ball Tester
    • ISO/CD 11008 Petroleum Products and Lubricants – Determination of Extreme Pressure Properties of Lubricating Greases – Four Ball Method

    High Resolution Microscope Assembly

    • Range 2 mm with 0.01 mm divisions
    • Range 4 mm with 0.02 mm divisions

     

    Optional Tests

    Rolling Four Ball

    • IP 300 Rolling Contact Fatigue Tests for Fluids in a Modified Four-Ball Machine

    Shear Stability

    • DIN 51350/6 Testing of Shear Stability of Lubricating Oils Containing Polymers
    • CEC L-45-A-99 Viscosity Shear Stability of Transmission Lubricants (Taper Roller Bearing Rig)
    • ISO 26422:2014 Determination of shear stability of lubricating oils containing polymers – Method using a tapered roller bearing

    Order as:

    • ST-FB Four Ball Wear & Extreme Pressure Test Machine
    • ST-FB/DM Digital Microscope with Camera & PC Image Capture Software
    • ST-FB/R4B Rolling Four Ball Test Assembly
    • ST-FB/KRL Shear Stability Test Adapter
    • ST-FB/SM Temperature Control Service Module for KRL Test

     

  • Technical Specifications
    Size of Test Balls: 12.7 mm (0.5″) diameter
    Load Range: 10 to 8,000 N
    Loading Method: Pneumatic
    Load Ranges: 20 to 750 N (@ 6 bar air pressure)
    50 to 8,000 N (@ 4 bar air pressure)
    Load Measurement: Pressure transducer
    Load Control: Precision pressure regulator
    Friction Measurement: Strain gauge transducer
    Torque Reaction Mounting: Air bearing
    Rotational Speed: 60 to 1,800 rpm
    Temperature Range: Ambient to 200°C
    Temperature Sensor: k-type thermocouple
    Motor: 1.5 kW a.c. vector motor
    Control & Data Acquisition: Touch-screen PC & Interface
    Data Export: USB Stick
    Pre-programmed Test Sequences
    ASTM D2266 Wear Preventive Characteristics of Lubricating Greases
    ASTM D4172 Wear Preventive Characteristics of Lubricating Fluid
    ASTM D2596 Extreme Pressure Properties of Lubricating Greases
    ASTM D2783 Extreme Pressure Properties of Lubricating Fluid
    IP 239 Extreme Pressure Properties: Friction and Wear Test for Lubricants
    DIN 51350/1-5 Testing Lubricants: Testing in the Shell Four-Ball Tester
    Automatically Controlled Parameters Rotational Speed
    Temperature
    Test Duration
    Manually Controlled Parameters Load
    Measured Parameters Rotational Speed
    Load
    Friction Torque
    Temperature
    Test Duration
    Friction Coefficient
    Services
    Electricity: 220/240V, single phase, 50/60 Hz, 3.0 kW
    Clean, dry air: 4 cfm at 8 bar (120 psi)

  • Download the Machine Leaflet