Fatigue cracking of bearing and failure of railway axles - Integrity of ...
Fatigue cracking of bearing and failure of railway axles - Integrity of ...
Fatigue cracking of bearing and failure of railway axles - Integrity of ...
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<strong>Fatigue</strong> pre-<strong>cracking</strong> pre <strong>cracking</strong> by four bending<br />
• Maximum force <strong>of</strong> four bending fatigue:<br />
2 2<br />
2,52×B×(W-a) 2,52×10×(10-4)<br />
P = ×R = ×1100=15023,5N<br />
f p<br />
3×(S -S ) 3×(52,5-14,15)<br />
1 2<br />
F =0,1×F =0,1×9014=901,4N<br />
min max<br />
F =0,6×P =0,6×15023=9014N<br />
max f<br />
F<br />
F
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