Standard Test Four Ball Tribometer
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) |
