Author:
Smirnov N I,Smirnov N N,Prozhega M V,Matveev S A,Shirobokov O V,Gorbunov A V,Zheltyshev O V
Abstract
Abstract
This paper presents the methodology and test results of rolling bearings of low-flow electric pump units used to ensure circulation of the thermal liquid in the active thermal control system of spacecraft. A multi-position stand has been developed for testing bearings within 40 days in a thermal liquid at a speed of 6000 rpm with the possibility of registering the separator rate speed. As a performance criterion, the clearance in the bearing is used. The conditions of the onset of pitting are investigated.
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