Investigation of Failure Mechanisms in Oil-Lubricated Rolling Bearings under Small Oscillating Movements: Experimental Results, Analysis and Comparison with Theoretical Models
Abstract
:1. Introduction
1.1. Motivation and State-of-the-Art
1.1.1. Approach by Harris—Method 1
1.1.2. Approach by Harris and Rumbarger—Method 2
1.1.3. Approach by Houpert
1.1.4. Approach with an Equivalent Speed n
1.2. Research Objective of This Paper
2. Materials and Methods
2.1. Experimental Setup
2.2. Test Procedure, Plan, and Analysis
3. Results
3.1. Rating Life Tests RV 1 to SV 3
3.2. Check #1 with Deep Groove Ball Bearings: Is Tilting the Cause of the Damage?
3.3. Check #2: Is the Damage Still Present at Lower Hertzian Pressures?
4. Discussion
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Pitch diameter Dpw | 70.48 mm |
Rolling element diameter Dwe | 10.98 mm |
Rolling element length l | 11.4 mm |
Number of rolling elements Z | 1 (for calculation) |
Dynamic load capacity Cr | 8.46 kN |
Oscillation angle φ | 3° |
Oscillation frequency | 10 Hz |
Oscillation path x IR | 0.779 mm |
x/2b IR | 1.91 |
Name | ZRL/DGB | Hertzian Pressure in MPa | Number of Oscillation Cycles | Failure at IR or OR | Manufacturer |
---|---|---|---|---|---|
RV1 | CRB | 3000 | 8,968,438 | OR 3_1 | A |
RV2 | CRB | 3000 | 21,893,705 | OR 3_1 | A |
RV3 | CRB | 3000 | 16,436,337 | OR 3_1 | A |
RV4 | CRB | 3000 | 15,796,133 | OR 4_1 | A |
RV5 | CRB | 3000 | 19,427,977 | OR 3_1 | A |
SV1 | CRB | 3000 | 34,209,108 | IR 2_2 | B |
SV2 | CRB | 3000 | 11,170,668 | IR 3_1 | B |
SV3 | CRB | 3000 | 7,653,117 | IR 2_2 | B |
AV1 | CRB | 2500 | 24,300,000 | - | B |
AV2 | CRB | 2500 | 23,900,000 | OR 1_1 | B |
AV3 | CRB | 2500 | 43,000,000 | - | B |
AV4 | CRB | 2500 | 47,000,000 | - | B |
RV1 | DGB | 3000 | 15,280,000 | IR 2_1 | B |
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Halmos, F.; Wartzack, S.; Bartz, M. Investigation of Failure Mechanisms in Oil-Lubricated Rolling Bearings under Small Oscillating Movements: Experimental Results, Analysis and Comparison with Theoretical Models. Lubricants 2024, 12, 271. https://doi.org/10.3390/lubricants12080271
Halmos F, Wartzack S, Bartz M. Investigation of Failure Mechanisms in Oil-Lubricated Rolling Bearings under Small Oscillating Movements: Experimental Results, Analysis and Comparison with Theoretical Models. Lubricants. 2024; 12(8):271. https://doi.org/10.3390/lubricants12080271
Chicago/Turabian StyleHalmos, Fabian, Sandro Wartzack, and Marcel Bartz. 2024. "Investigation of Failure Mechanisms in Oil-Lubricated Rolling Bearings under Small Oscillating Movements: Experimental Results, Analysis and Comparison with Theoretical Models" Lubricants 12, no. 8: 271. https://doi.org/10.3390/lubricants12080271