Bases of theory of creation technological systems recovery of large products in heavy engineering

Authors

  • Владимир Тимофеевич Лебедь Donbas’s State Engineering Academy 72 Shkadinova Str. Kramatorsk, Donetsk Region, Ukraine, 84113, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.18862

Keywords:

large compound/sleeved products, «life» cycle, technological recovery systems, dismantled parts

Abstract

There has been considered a pressing theoretical and practical issue of  up-to-date engineering, concerning the development of resource-saving technology in heavy engineering, based on large products recovery.

It is known, that in spite of long operational life of large products,  after    expiration of their operational life in regards to working surface and their subsequent retirement, they still have significant  residual operation time as for load cycle and fatigue stresses with high figures of overall geometrical dimensions and parameters.

Theoretical investigations of large compound/sleeved products life cycle, given through the example of mill rolls, allowed to suggest  scientifically-grounded aspects for creation of technological recovery systems for such products in heavy engineering.

On the basis of theoretical and experimental investigation results analysis of these systems, which include operations of compound products dismantling by thermal action, deformation of reused parts followed by assembling, the principles of their development during large products recovery have been substantiated.

Developed technological systems for large products recovery have been introduced in heavy engineering followed by succubus application, in particular, regarding sleeved backup rolls recovery at some leading enterprises of Russia and Ukraine.

Author Biography

Владимир Тимофеевич Лебедь, Donbas’s State Engineering Academy 72 Shkadinova Str. Kramatorsk, Donetsk Region, Ukraine, 84113

Associate professor

Department of Manufacturing processes and automation engineering

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Published

2013-12-04

How to Cite

Лебедь, В. Т. (2013). Bases of theory of creation technological systems recovery of large products in heavy engineering. Eastern-European Journal of Enterprise Technologies, 6(1(66), 18–25. https://doi.org/10.15587/1729-4061.2013.18862

Issue

Vol. 6 No. 1(66) (2013): Mechanical engineering technology

Section

Mechanical engineering technology

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Copyright (c) 2014 Владимир Тимофеевич Лебедь

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