Model MMW-1A simulates rolling, sliding and rolling & sliding combined movement under a defined contact pressure to complete point, line and plane simulating tests.

The unit is used to evaluate the friction and wear performance of lubricants, metals, plastics, coatings, rubber, ceramics and a variety of other materials.

The unit meets the requirements of the traditional petrochemical industry for research and development, and to test various kinds of intermediate and high grade hydraulic oils, combustion engine oil and gear unit oil.