KAJIAN EKSPERIMENTAL CACAT PADA BANTALAN BERDASARKAN LEVEL GETARAN

J. A. Apriansyah(1),
(1) Program Studi Teknik Mesin, Fakultas Teknik, Universitas Bengkulu, 

Abstract


Bearing defect is generally caused by problems in lubrication and assembly. Predictive
maintenance is one of the best methods to identify its defect based on vibration level. In this paper,
bearing defect is experimentally investigated by checking the vibration level occuring on bearing.
Here, several types of bearing defect are considered, namely, defect on inner race, outer race, and
ball bearing. Firts, vibration on damaged bearing is captured. Then, vibration level is compared
to vibration level of intake bearing in order to know increasing vibration level. Moreover,
captured vibration is also compared to ISO 2372 to check if bearing is still available or not. Level
vibration is captured by using vibtation tester putting on bearing in both radial direction and axial
direction. Each type of bearing defect is tested by varying shaft speed, that is 1000, 1500, and
2000 rpm. The result shows that vibration level increases by increasing shaft speed. Vibration
level increases about 489% for bearing defect on inner race, 190% for bearing defect on outer
race, and 108% for bearing defect on ball.

Keywords


Bearing; Vibration level; ISO 2372; inner race; outer race; ball bearing

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