Lever Type Four Ball Friction Testing Machine
Lubricant tester for testing load bearing capacity of lubricant and fatigue strength of gear
Applications
Commonly used in industries that rely on the performance of lubricating oils, greases, cutting fluids, and additives. From automotive to heavy machinery and industrial equipment, it helps ensure that lubricants provide effective protection under demanding conditions, reducing wear and prolonging the life of mechanical components.
Our lever-type four ball friction tester are tools used for evaluating the performance of lubricants under high-pressure conditions, specifically their load-bearing capacity and resistance to wear. By simulating extreme point contact pressure with sliding friction, the testerhelps determine how well lubricants can protect gears and other mechanical components under stress. It measures key factors such as maximum non-seizure load (PB), sintering load (PD), and the comprehensive wear value (ZMZ), offering valuable insights for lubricant formulation and product development. These tests are essential for ensuring that lubricants meet the rigorous demands of modern industrial machinery, where reliable lubrication is critical for minimizing downtime and reducing maintenance costs.
Technical Specifications
| Max. test force | 10000N |
| Relative accuracy (below 4% of test force) | ±5N |
| Relative accuracy (above 4% of test force) | ±1％ |
| Test force loading method | Manual loading of weights |
| Force holding mechanism | Self-balancing backlash-free guiding |
| Max. friction force | 200N |
| Relative accuracy of friction force | ±2% |
| Heater working temperature range | Room temperature to 250℃ |
| Temperature control accuracy | ±3℃ |
| Max. speed | 3000rpm (stepless adjustable) |
| Speed control accuracy | < 15r/min |
| Test oil quantity | 10ml |
| Diameter of test steel ball | Ø12.7 |
| Motor power | 2.2kW |
| Time control | Automatic stopping when time setting range is exceeded |
| Friction control | Automatic stopping when friction setting range is exceeded |
| Test time display and control range | 1s-9999min |
| Dimensions (L×W×H) | 1300×490×1220mm |
| Wear scar measurement microscope | Electronic measurement system |
| Magnification of measurement microscope | 25× 200× |
| Wear scar measurement range | 0-10mm |
| Wear scar measurement accuracy | 0.01mm |
| Digital CCD probe pixel | 3,000,000 pixel |
| Wear scar measurement software | Automatic capture of wear scar, with average values |
Standards
- ASTM D 4172
Standard Test Method for Wear Resistance of Lubricating Fluid (Four-Ball Method) - ASTM D2266-01
Standard Test Method for Friction and Wear of Lubricating Oil (Four-Ball Method) - ASTM D2783
Standard Test Method for Evaluation of Load-Bearing Capacity of Lubricants (Four-Ball Method) - ASTM D2596
Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method) - GB/T12583-98
Determination of Extreme Pressure Properties of Lubricants (Four-Ball Method) - GB3142-82
Determination of the Bearing Capacity of Lubricants (Four-Ball Method) - SH/T0189-92
Determination of Oil Wear Resistance (Four-Ball Method) - SH/T0202-92
Determination of Extreme Pressure Properties of Grease (Four-Ball Method)
Features
- Adheres to key ISO and ASTM standards for lubricant testing, ensuring that results meet industry expectations
- The tester features a front-mounted weight slot that saves space and prevents accidental weight falls, enhancing safety and efficiency
- Built-in automatic weight loading system simplifies operations and improves versatility for different testing scenarios
- Its intelligent design captures and measures wear scar diameters with precision, ensuring repeatability and providing comprehensive data that can be stored for future analysis
- Developed in-house with a variety of models, the four ball friction tester is designed to meet diverse customer needs, offering full technical support for users
