THE TEST BENCH DEVELOPMENT OF UNEVEN - STIFFNESS BEARING ASSEMBLIESJournal: Science and world (Vol.1, No. 51)
Publication Date: 2017-11-23
Authors : Imangulova A.A.;
Page : 31-34
Keywords : bearings; new construction; test bench for bearings; accelerated tests of bearings; the Lokati's method;
In this article the analysis of the factors influencing operability of bearings is carried out. The exist- ing test bench for bearings are considered. The kinematic scheme of test bench is developed and its new construction for test uneven - stiffness bearing assemblies is suggested. This paper deals with the issue of expansion of the bench func- tionality for carrying out the accelerated tests of bearing assembly. In this paper the function chart of the bench manu- factured at Mechatronic Systems Department is described. The motor, gear, whic h are used on bench, have been sug- gested. Tasks, which must be solved by means of the manufactured bench, are considered. The main objective is auto- mation of test process and simplification of experimental data collection and processing. The bench can imit ate loading cycles by method of the accelerated tests. Assessment of influence of the chosen factors on durability of bearing unit is carried out based on the results obtained during experiment. In this article one of methods is considered, it is the Loka- t i's method. The reasons of errors of this method are considered. When using the Lokati's method we obtain little over- estimated results, but the closest to the real values.
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