Determining of the effect of reinforcing microrelief guides on the efficiency of folding integrated covers

Authors

DOI:

https://doi.org/10.15587/1729-4061.2024.309481

Keywords:

integrated covers, optimal parameters of pulsed laser radiation, strengthening of folding strips, microrelief guides, microstructural changes in the material

Abstract

The object of research is the processes of strengthening the working surfaces of profile folding strips made of stainless steel AISI 347 and carbon steel AISI 1005 using laser formation of microrelief guides. The analytical and experimental studies are based on the technique of laser microrelief formation by pulsed laser effects. The main assumption of the study is that the use of laser microrelief formation could increase the hardness and wear resistance of the folding strips, improving the process of folding integrated covers. Analyzing the effect of different hardening methods on the mechanical properties and wear resistance of the working surfaces of folding strips is necessary to achieve this goal. A methodology for assessing microstructural changes and their impact on the mechanical properties of folding strips during laser hardening has been proposed. It has been shown that the formation of microrelief guides by laser pulse exposure reduces the thermal load on the material, increases the uniformity of hardening and wear resistance. The revealed wear rates calculated for carbon steel AISI 1005 are 0.875, and for stainless steel AISI 347 – 0.345. To improve the accuracy and efficiency of the folding process, a methodology has been devised for calculating the quantitative formation of microrelief guides on the working surface of profile folding strips. This will not only improve the wear resistance and mechanical properties of the strips but also optimize production processes. Differences in the results of hardening for stainless steel AISI 347 and carbon steel AISI 1005 were found: the hardness values for AISI 347 are 3,088–4,904 MPa at a load of 50–350 g with a deviation of 37.1 %, and for AISI 1005 – 2141–1665 MPa with a deviation of 22.3 %

Author Biographies

Petro Kyrychok, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

Doctor of Technical Sciences, Professor

Director

Educational and Scientific Publishing and Printing Institute

Dmytro Paliukh, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

PhD Student

Department of Reprography

Educational and Scientific Publishing and Printing Institute

References

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Determining of the effect of reinforcing microrelief guides on the efficiency of folding integrated covers

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Published

2024-08-21

How to Cite

Kyrychok, P., & Paliukh, D. (2024). Determining of the effect of reinforcing microrelief guides on the efficiency of folding integrated covers. Eastern-European Journal of Enterprise Technologies, 4(1 (130), 97–111. https://doi.org/10.15587/1729-4061.2024.309481

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Section

Engineering technological systems