GB/T 33624-2017: Translated English of Chinese Standard (GBT 33624-2017, GB/T33624-2017, GBT33624-2017): Rolling Bearings - Test and Assessment Methods for Cleanliness
https://www.chinesestandard.net, Sep 24, 2016 - Technology & Engineering - 19 pages
This Standard specifies the test and assessment of cleanliness of rolling bearings and bearing parts. This Standard applies to the test and assessment of all kinds of open bearings and closed bearings before greasing, as well as the test and assessment of bearing parts.
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accordance with Formula additional pollution caused Analytical balance Annex area of samples assess the cleanliness beaker blank experiment bottle to wash clamping device cleanliness of bearings/bearing control filtration membrane count of particles counting filtration membrane dust fall quantity dust tray effective filtration area effective view field equipment and appliances Figure B.2 filter flask filtration area EFA filtration membrane fixer filtration membrane preparation image analyser impurity of unit impurity particle lower funnel Lubricating oils mass of impurity Measuring Equipment membrane of pore microporous filter minimum counting particle particle counting method pore size 0.45 pore size 1.2 quantity of particles set/piece of samples sets 3 sets silk cloth solvent to wash suspension liquid sample test and assessment test filtration membrane tweezers to take Ultrasonic cleaning unit surface area upper funnel vacuum filtration vacuum pump view field picked view screen washed and measured washing bottle Washing of Appliances weighing bottle marked weighing method Zhejiang