Computer Controlled Vertical Universal Testing Machine Friction And Wear Tester
Brief introduction:
MMW-1 is a Multi-specimen friction and wear testing machine. It is designed for simulating, evaluating and testing almost all kinds of oil (high-class serial hydraulic oil, lubricant, combustion oil and gear oil) and material (metal, plastic, coating, rubber, ceramic etc.)
It is widely used in tribology field, petrol chemical industry, mechanical, energy resource, metallurgy, space flight, engineering areas, college and institute etc.
Standard:
This machine meets SH/T 0189-1992 Lubricant Anti-wear performance Evaluation Method (Four-ball tester method) and conforms to ASTM D4172-94 and ASTM D 5183-95.
Test conditions:
Item | Method A | Method B |
Test temperature | 75±2°C | 75±2°C |
Speed of spindle | 1200±60 r/min | 1200±60 r/min |
Testing time | 60±1min | 60±1min |
Axial testing force | 147N (15kgf) | 392N (40kgf) |
Axial testing force zero point inductance | ±1.96N(±0.2kgf) | ±1.96N(±0.2kgf) |
Standard steel-ball specimen | Φ 12.7mm | Φ 12.7mm |
Technical specifications:
1.Test force | |
1.1 Axial test force working range | 1～1000N |
1.2 Error of indicating value lower than 200N | not bigger than ±2N |
Error of indicating value upper than 200N | not bigger than 1% |
1.3 Discriminability of test force | not bigger than 1.5N |
1.4 Relative error of long time auto hold indicating value | not bigger than ±1% FS |
1.5 Return zero error of digital display device of test force Indicating value | not bigger than ±0.2% FS |
2. Friction Moment | |
2.1 Measuring maximum friction moment | 2.5 N. m |
2.2 Relative error of friction moment indicating value | Not bigger than ±2% |
2.3 Friction force weighing transducer | 50N |
2.4 Friction force arm distance | 50mm |
2.5 Discriminability of friction moment indicating value | Not bigger than 2.5 N. mm |
2.6 Return zero error of digital display device of friction | Not bigger than ±2% FS |
3. Range of spindle stepless speed variation | |
3.1 Stepless speed variation | 1～2000r/min |
3.2 Special deceleration system | 0.05～20r/min |
3.3 For over 100r/min, error of spindle speed | Not bigger than ±5r/min |
For below 100r/min, error of spindle speed | Not bigger than ±1 r/min |
4. Testing media | Oil, water, muddy water, abrasive material |
5.heating system | |
5.1 Heater working range | Room temperature ～260℃ |
5.2 Disc type heater | Φ65, 220V, 250W |
5.3 Jacketing heater | Φ70x34, 220V, 300W |
5.4 Jacketing heater | Φ65, 220V, 250W |
5.5 Platinum thermo resistance | 1 group each (long&short) |
5.6 Temperature measuring control accuracy | ±2℃ |
6.Conicity of spindle of testing machine | 1:7 |
7. Max. distance between spindle and lower disc | ≥75mm |
8. Spindle control mode | |
8.1 Manual control | |
8.2 Time control | |
8.3 Revolution control | |
8.4 Friction moment control | |
9. Time display & control range | 0s～9999min |
10. Revolution display & control range | 0～9999999 |
11. Output maximum moment of main motor | 4.8N. m |
12. Overall dimension (L * W * H ) | 600x682x1560mm |
13. Net weight | About 450 kg |
Photo Reference
Dongguan Liyi Environmental Technology Co., Ltd.
Dongguan Liyi Environmental Technology Co., Ltd. is a high technology supported production-oriented enterprise who specializes in developing, manufacturing,marketing all kinds of environmental equipment. Our company has advanced technology, experienced technical management personnel and efficient professional service staffs, fine quality management and perfect after-sales service system.
To strengthen the quality awareness,perfect management system,improve product credit,meet customers increasing requirements, our company brought into ISO9001:2015 international quality management system and obtained the certificate: N0006997-1.
Our company will continue to develop, innovate and keep faith. We combine with the international testing standards and the specific demands of customers that may establish a new banner in Chinese testing industry.
