Development of Ultrasonic Torsional Fatigue Tester to Evaluate Rolling Bearing Steels

2012 ◽  
pp. 237-254
Author(s):  
N. Sakanaka ◽  
Y. Matsubara ◽  
Y. Shimamura ◽  
H. Ishii
Keyword(s):  
Rolling Bearing ◽  
Torsional Fatigue ◽  
Bearing Steels

scholarly journals Micro-pitting and wear characterization for different rolling bearing steels: Effect of hardness and heat treatments

Wear ◽  
2020 ◽  
Vol 458-459 ◽  
pp. 203404 ◽  
Author(s):  
Aleks Vrček ◽  
Tobias Hultqvist ◽  
Tomas Johannesson ◽  
Pär Marklund ◽  
Roland Larsson
Keyword(s):  
Rolling Bearing ◽  
Heat Treatments ◽  
Bearing Steels ◽  
Wear Characterization

Developments in Large Size Round Bloom Rolling Bearing Steels

2017 ◽  
pp. 23-47 ◽  
Author(s):  
Xiaohong Xu ◽  
Jigang Liu ◽  
Ru Chen ◽  
Lijun Xiao ◽  
Peng Wang ◽  
...  
Keyword(s):  
Rolling Bearing ◽  
Large Size ◽  
Bearing Steels

scholarly journals NEW BEARING STEEL FOR HIGH-SPEED APPLICATIONS

2021 ◽  
Vol 2021 (6) ◽  
pp. 5334-5339
Author(s):  
CHRISTIAN BRECHER ◽  
◽  
STEPHAN NEUS ◽  
MARCUS GAERTNER ◽  
LEONARDO CATANA ◽  
...  
Keyword(s):  
High Speed ◽  
Rolling Bearing ◽  
Bearing Steel ◽  
Performance Limits ◽  
Test Rig ◽  
Good Resistance ◽  
Surface Fatigue ◽  
Bearing Steels ◽  
Spindle Bearing ◽  
Contact Pressures

The requirements for speed suitability and fatigue strength of motor spindle bearings are constantly increasing. These challenges can be met by further developing the spindle bearings, e.g. by using higher-performance bearing steels. In the following, the experimental investigation results of a spindle bearing made of a new raceway steel tested on a high-speed rolling bearing test rig are presented. Spindle bearings of the type 7008 (hybrid execution) were tested in an endurance run at a rotational speed of 46 krpm and 3 kN axial load. The operating behaviour was validated based on the bearing outer ring temperature and the vibration behaviour. Microscope analysis of the raceways after the test shows that the new steel has good resistance to micropitting and surface fatigue. The calculated contact pressures, wear parameter and lifetime for the bearings in the tests show that the performance limits of spindle bearings are significantly higher than initially assumed.

Discussion on “Rolling bearing applications” at the Manchester Section of the Institution

1948 ◽  
Vol 27 (8) ◽  
pp. 416
Author(s):  
Morton ◽  
Allan ◽  
Hayton ◽  
Gejji ◽  
Murphy ◽  
...  
Keyword(s):  
Rolling Bearing

Efficiency of application of the phase-chronometric method and neurodiagnostics for monitoring the degradation of rolling bearings during operation

2020 ◽  
pp. 43-50
Author(s):  
A.S. Komshin ◽  
K.G. Potapov ◽  
V.I. Pronyakin ◽  
A.B. Syritskii
Keyword(s):  
Life Cycle ◽  
Wavelet Analysis ◽  
Metrological Support ◽  
Rolling Bearing ◽  
Technical Condition ◽  
Measurement Information ◽  
Rolling Bearings ◽  
Vibration Diagnostics ◽  
Bearing Life ◽  
Alternative Approach

The paper presents an alternative approach to metrological support and assessment of the technical condition of rolling bearings in operation. The analysis of existing approaches, including methods of vibration diagnostics, envelope analysis, wavelet analysis, etc. Considers the possibility of applying a phase-chronometric method for support on the basis of neurodiagnostics bearing life cycle on the basis of the unified format of measurement information. The possibility of diagnosing a rolling bearing when analyzing measurement information from the shaft and separator was evaluated.

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