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Introduction
This 4 ball test machine uses four Ф12.7mm standard steel balls evaluate the load-bearing capacity and anti-wear performanceof lubricants (including oil film strength PB, sintering load PD, comprehensive wear value ZMZ, Long-term wear D and other indexes).
The influence of temperature on the lubricating performance of lubricants can also be measured.
Main Features:
1.Adopting double floating bearing technology, no-clearance guiding technology and buffer cross-balancing technology to ensure the precision of real-time tracking measurement of test force and friction force.
2.The main shaft is driven by a branded servo motor, and the related transmission components are also imported precision bearings.
3.Using independent embedded industrial controller, industrial metal touch screen, and collecting independent analysis modules, which can effectively guarantee the effect of the equipment on the performance of the control part when the equipment is high-speed or the oil film is ruptured and violently vibrated.
4.This Four Ball Wear Test Machine is convenient to realize the capture of the wear scar, the measurement and analysis of the friction surface profile, and directly save the wear spot images.
5.The test software can establish professional test programs according to different standards, and can also judge the Pb value according to the size of the wear scar, and has the function of saving and exporting data tables.
6.Large screen touch operation, real-time dynamic collection, professional data processing.
7.The expandable friction pair of the spindle meets a variety of related standards.
8.Long guide shaft, double bearing support, accurate test force, stable and reliable.
9.Special weight stop groove to prevent weight accidental falling off and causing damage.
10.3 million digital CCD probe pixels.
Technial Specifications of Four Ball Wear Test Machine
| Model | AIC-2783 |
| Applicable standard | ASTM D2596,ASTM D2266,ASTM D 2783,ASTM D4172 |
| Test force | 10000N |
| Below 4% of test force, indication error | ±5N |
| Above 4% of test force,the relative error of the indicated value | ±1% |
| Friction | 200N |
| Temperature range | Ambient~250ºC |
| Temperature control range | ±3ºC |
| Range of rotation | 300~1800r/min |
| Accuracy of rotation | <15r/min |
| Oil volume for test | 10ml |
| Diameter of steel ball | φ12.7 |
| Motor power | 2.2kW |
| Time display and control range | 1S~9999min |
| Wear spots measurement software | Automatically capture wear spots, save and measure the average |
| Microscope magnification | 25× 200 |
| Wear spots measuring range | 0~10mm |
| Wear spots measuring accuracy | 0.001mm |
| Test force loading method | Front weight loading |
| Force retention mechanism | Self-balancing without clearance guide |
| The relative error of the displayed value of friction | ≤±2% |
| Wear scar measurement microscope | Electronic measuring system |
| Dimension | 1300×490×1220(mm) |
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