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Mechanical engineering and social technology: structural design and building of a glass grinder for a recyclable materials collectors’ association

Autor/innen

DOI:

https://doi.org/10.5902/2236117043601

Schlagworte:

Glass, Recycling, Social Technology, Structural Design, Hammer Mill

Abstract

Recycling has an important role on the reduction of environmental impacts caused by production via raw materials. Due to its importance to the recycling process, this study aimed to help the Recyclable Material Collectors’ Association of the city of São João del-Rei, Minas Gerais, proposing a glass grinder design. The viability of the machine was evaluated, and the components were sized. After these steps, a structural design was made, using concepts related to Materials Selection, Mechanics of Materials, Mechanical Design, Machine Design, Manufacturing Processes and Vibrations. Simultaneously, the process of building the structure was conducted, concerning the search for resources, adapting the theoretical design when needed, and also the documentation and training of the future users. Finally, the project showed satisfactory characteristics considering the primary objectives, and a high reproducibility. It has the potential to present positive social effects and reduce the environmental impact of glass waste. The process by which it was conducted was very simple and efficient, especially regarding the use of basic concepts and simple mathematical relations instead of complex analyses, favoring its application in other low-resource projects aiming mainly for a high safety factor.

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Autor/innen-Biografien

João Gabriel da Cruz Passos, Universidade Federal de São João del-Rei

João Gabriel da Cruz Passos is a Masters student in mechanical engineering at the Federal University of São João del-Rei, researching the oxidation behavior of FeMnSiCrNi alloys. He graduated in mechanical engineering at the Federal University of São João del-Rei. During graduation, he was involved in projects which applied engineering concepts to design and build machinery destined to Solidarity Economy organizations.

Ana Flávia Oliveira Alencar, Universidade Federal de São João del-Rei

Ana Flávia Oliveira Alencar is a mechanical engineering student at the Federal University of São João del-Rei. During graduation, she was involved in projects which applied engineering concepts to design and build machinery destined to Solidarity Economy organizations

Mariana dos Santos Barroso, Universidade Federal de São João del-Rei

Mariana dos Santos Barroso is a mechanical engineering student at the Federal University of São João del-Rei. During graduation, she was involved in projects which applied engineering concepts to design and build machinery destined to Solidarity Economy organizations.

Nathalia Caroline Spineli Forzan Silva, Universidade Federal de São João del-Rei

Nathália Caroline Spineli Forzan Silva is a mechanical engineering student at the Federal University of São João del-Rei. During graduation, she was involved in projects which applied engineering concepts to design and build machinery destined to Solidarity Economy organizations.

Valdecy Rodrigo do Nascimento, Universidade Federal de São João del-Rei

Valdecy Rodrigo do Nascimento is a Mechanical Engineer at the Federal University of São João del-Rei, he has a licentiate degree in Mathematics at Anhanguera and is currently attending MBA/USP/ESALQ in Project Management.

During graduation, he had experience with research in numerical simulation of steel-alloys at high temperatures and was involved in projects related to innovations and sustainability.

He was an intern in processes and production at Vallourec, and a trainee in Basic Education at Ensina Brasil, he is currently a trainee on Public Management at Vetor Brasil.

Leandro Reis Muniz, Universidade Federal de São João del-Rei

Leandro Reis Muniz is an Assistant Professor of Logistics and manufacturing engineering at the Federal University of São João del-Rei. Previously, he worked for more than 10 years in mining and metallurgy companies. He is a Ph. D. student at the Federal University of Minas Gerais, where he also achieved the Masters Science degree in Production Engineering. He earned a B.S. in Production Engineering from the Federal University of Ouro Preto. He has been researching such topics as spare parts management, logistics optimization and supply chain management modeling.

Artur Mariano de Sousa Malafaia, Universidade Federal de São João del-Rei

Artur Mariano de Sousa Malafaia was born in São Paulo, SP, Brazil in 1983. He received the B.S. in Mechanical Engineering and M.S. and the D.Sc. degrees in materials science and engineering from the São Paulo University, in 2006, 2009 and 2013, respectively. During his doctorate he stayed one year in Polytechnic University of Catalunya (Spain) and in 2018 performed a post-doc at SIMaP group from Université Grenoble Alpes (France)

From 2010 to 2013, he was lecturer in public and private Universities and since 2013, he has been a Researcher and Professor with the Mechanical Engineering Department, Federal University of São João Del Rei. He is the author of 16 articles. His research interests include high-temperature oxidation in metallic alloys, concerning isothermal and cyclic tests to evaluate the performance of superalloys, stainless steels, high entropy alloys and FeMnSiCrNi shape memory alloys. Furthermore, the studies regarding titanium oxidation are focusing in the protective film of rutile used to biomaterial applications.

Dr. de Sousa Malafaia act also as reviewer for high impact journals as Corrosion Science, Materials Letters and Materials & Design, achieving recognition of "outstanding reviewer status" in Corrosion Science.

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Veröffentlicht

2020-09-09

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Zitationsvorschlag

Passos, J. G. da C., Alencar, A. F. O., Barroso, M. dos S., Silva, N. C. S. F., do Nascimento, V. R., Muniz, L. R., & de Sousa Malafaia, A. M. (2020). Mechanical engineering and social technology: structural design and building of a glass grinder for a recyclable materials collectors’ association. Revista Eletrônica Em Gestão, Educação E Tecnologia Ambiental, 24, e51. https://doi.org/10.5902/2236117043601

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Rubrik

ENVIRONMENTAL THECNOLOGY