Regarding high-frequency reciprocating testing machines
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Dear seniors; there are refineries that measure the wear mark diameter of diesel lubricants. Could you recommend which brand of high-frequency reciprocating testing machine is good for use?
It mainly depends on whether you want imported or domestic ones. If you want good quality, it is recommended to import ones from Germany
There are few domestic options; only a few companies produce them, and their performance is not stable. I recommend imported ones, such as the British PCS high-frequency reciprocator
For this type of testing machine, one should consult the motor testing center at the Beijing Research Institute of Petrochemical Technology, and the other should be the Lanzhou Lubricant Evaluation Center of CNPC; these two are the most authoritative institutions for lubricant evaluation in China. If you need a specific address, ask again.
Several companies in China produce this type of instrument. The Institute of Petrology is only more well-known because it is under Sinopec. As far as I know, the CMS-01 model from Beijing High-Tech is also quite good. We have been using theirs all along.