HZKM-4 Four-Ball Friction And Wear Tester
Overview
The lubricant anti-wear tester is in the form of sliding friction and is mainly used to evaluate the bearing capacity of lubricants under extremely high point contact pressure conditions. Including the maximum non-seizure load Pb, sintering load Pd, comprehensive wear value ZMZ and other three indicators, in practical applications, different evaluation indicators can be selected according to various uses of the lubricant. The four-ball friction tester can also do long-term anti-wear test of lubricants, measure friction coefficient, record friction force and temperature curve. Using special accessories, it is also possible to carry out simulation tests of end wear and materials. The design principle of the machine is based on the loading stability of the lever four-ball machine, combined with the loading characteristics of the servo valve, through the servo motor, air spring, closed-loop control software to achieve automatic reset, automatic loading, automatic maintenance, automatic test, automatic unloading, automatic Measure the diameter of the wear spot and take a picture, one-key operation, one-key data storage, fast test speed, minimal error, good repeatability, no pollution, no noise, and high efficiency.
HZKM-4 Four-Ball Friction Test Machine Technical Parameters
| NO | Project name | Technical indicators |
| 1 | Test force | |
| 1.1 | Axial test force working range | 10～10000N |
| 1.2 | Relative error of test force indication | ±1％ |
| 1.3 | Automatically maintain the indication error when the test force is long | ±1％F.S |
| 2 | Friction torque | |
| 2.1 | Friction torque measuring range | 0～13500N.mm |
| 2.2 | Relative error of friction torque indication | ±3％ |
| 3 | Spindle speed | |
| 3.1 | Spindle frequency conversion speed regulation range | 10～2000r/min |
| 3.2 | Spindle speed error | ±5r/min |
| 4 | Oil tank stroke | ＞45mm |
| 5 | Spindle bore taper | 1：7 |
| 6 | Testing machine heating system | |
| 6.1 | Heater operating temperature range | Room temperature ～250℃ |
| 6.2 | Temperature control accuracy | ≤2℃ |
| 7 | Testing Machine Spindle Control | |
| 7.1 | Testing machine time display and control range | 1～99999s or 1-99999min |
| 7.2 | Testing machine revolution display and control range | 999999999 |
| 7.3 | The maximum torque output of the main motor of the testing machine | 2.3N.m |
| 8 | Amount of oil used in one test | About 10ml |
| 9 | Special standard steel ball diameter | Ф12.7 |
| 10 | Dimensions of the testing machine (length × width × height mm) | About 1160×750×1640 |
| 11 | Testing machine net weight | About 400kg |
| 12 | Testing machine rated power | 5.5KW |
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