Brief introduction MRH-3B High Speed Ring-Block Wear Testing Machine is mainly used to evalue the lubricating capacity of kinds of lubrication oil and grease, and is especially suitable for the evaluation of scraping ability of meduum and top grade automobile bearing oil. And it can be also used to evaluate the lubricationg capability of solid lubricant materials and wearing ability of metal and nonmetal materials. This machine is used widely in the evaluation of medium and tip grade automobile bearing oils, tribology field, petrol chemical industry, mechanical, energy resource, metallurgy, spcae flight, engineering areas, and also be widely used in college and institute etc for friction and wearing studying. Standards: ASTM G77 Standard test method for ranking resistance of materials to sliding wear using block-on-ring wear test. Specification: Model &…