Residual Lifetime of Lifting Instalation Established by Non-Destructive Methods

Vladimir Modrak, Sorin Mihai Radu and Florin Vilceanu
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Vladimir Modrak: Technical University of Kosice, Slovakia
Sorin Mihai Radu: University of Petrosani, Romania
Florin Vilceanu: University of Petrosani, Romania

Annals of the University of Craiova for Journalism, Communication and Management, 2016, vol. 2, issue 1, 48-55

Abstract: The paper present theoretical studies and practical determinations in machines operating in dynamic mode fatigue. After expiry of the normalized lifetime of lifting equipment (overhead cranes, cranes, etc.). arises determination of residual functioning so that under normal safety to function at a normal operating capacity or diminished but not more than 15-20%. For exemplification is considered the investigation of a high gantry crane, MPT 20/5 – 20/4/4 m. In conclusion, after our determinations, the machine can operate with kinematics parameters set initially, but with reduced nominal load of 133 kN, i.e. approx. 13 t, and the lifetime of approx. 7.5 years.

Keywords: fluctuating stress; deformation; crane; bearing structure; fatigue (search for similar items in EconPapers)
JEL-codes: A19 Q40 (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:edt:aucjcm:v:2:y:2016:i:1:p:48-55

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