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I. Introduction:
This Leakage Tendencies Test Apparatus is applicable to determine Leakage Tendencies of Automotive Wheel Bearing Grease Under Accelerated Conditions.
The test grease is distributed in a modified,automobile front wheel hub-spindle-bearing assembly.While the bearings are thrust-loaded to approximately 111N,the hub is rotated at 1000 rpm and the spindle temperature maintained at 160ºC for 20h.Leakage of grease or oil,or both,is measured,and the condition of the bearing surface is noted at the end of the test.
1. The Leakage Tendencies Test Apparatus can digital display the working time, automatically stops the machine after the test and gives an alarm;
2. The stepless speed governor controls the speed of 1000r / min, and the real-time digital display speed;
3. Spring compression loading bearing load, with loading force scale, easy to operate;
4. Sliding high temperature chamber door with safety protection device;
5. Microcomputer temperature controller, PT100 temperature sensor, high precision;
6. The Leakage Tendencies Test Apparatus is equipped with overload protection device, it can delay 30s;
III. Technical Specifications
| 1 | Applicable standard | ASTM D4290 GB/T 25962 |
| 2 | Heating method | electric heating wire |
| 3 | Temperature control mode | PID digital display temperature controller |
| 4 | Temperature control range | normal temperature ~ 200 ºC |
| 5 | Time control | digital timer 0 ~ 99 hours |
| 6 | Loading method | spring loading |
| 7 | Speed control | stepless speed regulation digital display shows speed |
| 8 | Power supply | AC220V 50Hz |
| 9 | Powe consumption | 2KW |
| 10 | Overload protection | current overload protector |
Factory overview
Germany
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