Improving the Sustainability of the Manufacturing Process by Constructively Optimizing the Parts “Transition Type Fitting”

Dan Dobrotă, Ionela Rotaru, Florin Adrian Nicolescu and Mădălina Marin
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Dan Dobrotă: Faculty of Engineering, Lucian Blaga University of Sibiu, 550024 Sibiu, Romania
Ionela Rotaru: Faculty of Engineering, Lucian Blaga University of Sibiu, 550024 Sibiu, Romania
Florin Adrian Nicolescu: Faculty of Industrial Engineering and Robotics, Polytechnic University of Bucharest, 060042 Bucharest, Romania
Mădălina Marin: Research Department, SC Marquardt Schaltsystem SCS, 550052 Sibiu, Romania

Sustainability, 2019, vol. 11, issue 19, 1-18

Abstract: Transition type fittings are components often used in the transport facilities of fluid, and which allow the passage from a polyethylene (PE) pipe to a metal pipe. Within the paper, there was carried out a sustainability analysis of the manufacturing process for four types of existing transition fittings, and based upon the findings, there was proposed another type of transition fitting. For this new type of transition fitting, both a sustainability analysis and a finite element method (FEM) analysis were performed. Thus, based upon the analysis, there was found that the new constructive variant of transitional fitting is much more sustainable in the sense that the cost of processing has decreased from 0.77 Euros/part to 0.20 Euros/part, and this proposed transition fitting is resistant to tensile stress at a force of 25,800 N, a very large force that shows that the adopted assembly, for this new type of transition fitting will not yield during the operation.

Keywords: transition type fitting; sustainability analysis; manufacturing process; constructive optimization; finite element method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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