Test of High Speed and Heavy Load Gas Foil Bearing and Set up of Test Rig

Feng Kai, Huang Ming, Li Chengqi, Lu Peng, Wu Yihua, Li Naiyu, Liu Wanghui

Abstract

 A high speed and heavy load gas foil journal bearing test rig with cylinder loading device was designed and manufactured,and the three-pad gas foil journal bearing was tested. It is measured that both the lift-off speed and the lift-off torque of the bearing increase as the load increases. The bearing load capacity at the speed of 30 000, 40 000,50 000,60 000 r/min was measured by using temperature method. The test gas foil journal bearing can achieve 380,535,700,810 N respectively at these different speeds. During the test,the test rig can run up to 70 000 r/min,and 1 020 N was loaded at 51 000 r/min. The results showed that test rig was set up successfully.

 

 

Keywords: high speed and heavy load,  gas foil journal bearing,  lift-off speed,  lift-off torque,  load capacity



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