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Help CenterComputer Controlled Vertical Universal Friction and Wear Tester
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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.
Testing condition:
|
Item |
Method A |
Method B |
|
Test temperature |
75±2℃ |
75±2℃ |
|
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 |
More technical specification welcome email tome: jncd @ yahoo . cn
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