Axle box spring service state calculation method based on material fatigue strength

Axle box spring service state calculation method based on material fatigue strength

The invention provides an axle box spring service state calculation method based on material fatigue strength, and belongs to the technical field of axle box spring service state analysis. The calculation method comprises the steps of obtaining material fatigue strength of the axle box spring; conve...

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Hauptverfasser: LYU JING, XU XIN, SUN XUWEN, CAO XINWANG, YANG QIQUAN, WANG YUTING, XU CHAO, WANG CHENYANG, ZHANG QIAN, HU JIE
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Sprache:chi ; eng
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CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS
PHYSICS
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creator LYU JING
XU XIN
SUN XUWEN
CAO XINWANG
YANG QIQUAN
WANG YUTING
XU CHAO
WANG CHENYANG
ZHANG QIAN
HU JIE
description The invention provides an axle box spring service state calculation method based on material fatigue strength, and belongs to the technical field of axle box spring service state analysis. The calculation method comprises the steps of obtaining material fatigue strength of the axle box spring; converting the turning fatigue strength into torsion fatigue strength based on the load factor Cm; converting the fatigue strength of the material into the fatigue strength of the axle box spring structural member based on the comprehensive correction coefficient; the equivalent symmetric cyclic stress of the axle box spring in service is obtained; and calculating the critical dynamic load coefficient and the critical maximum load of the axle box spring according to the equivalent symmetric cyclic stress of the axle box spring structural member and a Goodman load form conversion formula. According to the calculation method, the material fatigue strength principle is applied, the calculation method is simple and easy to
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS
PHYSICS
title Axle box spring service state calculation method based on material fatigue strength
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