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Machines
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Recent Advances in 3D Printing in Industry 4.0
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Recent Advances in 3D Printing in Industry 4.0

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Advanced Manufacturing".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2701

Special Issue Editors

Dr. Zbigniew Pilch

E-Mail Website
Guest Editor
Faculty of Electrical and Computer Engineering, Cracow University of Technology, Krakow, Poland
Interests: 3D printing technology; computer simulations of the strength of 3D prints; smart materials (magnetorheological fluids); MRF clutches; CAD systems
Dr. César Vasques

E-Mail Website
Guest Editor
Department of Mechanical Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: dynamics; vibration and damping; smart materials and structures; computational and experimental mechanics; mechatronics and structural control; structural acoustics; impact and wave propagation; structural health monitoring; composite structures; machine design; 3D printing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The emergence of additive technologies and their continuous development have led to an alternative method of production. In contrast to the subtractive methods, these technologies are characterized by a short pre-processing time (preparation of the 3D model and batch file for the printer). Flexibility in the production process is also very important. It is possible to produce elements with completely different geometrical features without interfering with the printer's instrumentation. The only change may be a change in the input material. The development of 3D printing technology (in conjunction with the postulates of Industry 4.0) will make this the leading manufacturing technology in the future.

This Special Issue aims to collect innovative contributions on this subject. Specifically, the contributions may deal with all of the following aspects related to “Recent Advances in 3D Printing in Industry 4.0”:

  • General 3D printing technology;
  • New 3D printing systems;
  • 3D printing pre-processing and workflow;
  • Innovative printing materials;
  • Multimaterial printing;
  • Recycling of used materials (filaments, resins, and powder);
  • Complex shapes and lattice designs;
  • Topology and shape optimization;
  • Design for manufacturing and assembly;
  • 3D-printed parts’ testing methods and standards;
  • Simulation of additive manufacturing processes;
  • Multiscale and multiphysics material models;
  • Sensing, multifunctionality, and 4D printing;
  • Print quality, material properties, and post-processing;
  • Ecodesign and sustainability issues;
  • Applications of 3D printing technology in Industry 4.0.

Both review papers and in-depth research papers on new developments in this field will be collected in this Special Issue.

Dr. Zbigniew Pilch
Dr. César Vasques
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Machines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Research

11 pages, 9905 KiB  
Article
Material Extrusion 3D Printing of Micro-Porous Copper-Based Structure for Water Filters
by Nikola Kotorčević, Strahinja Milenković, Fatima Živić, Branka Jordović, Dragan Adamović, Petar Todorović and Nenad Grujović
Machines 2024, 12(7), 470; https://doi.org/10.3390/machines12070470 - 12 Jul 2024
Viewed by 291
Abstract
This paper presents 3D-printed micro-porous structures made of a Cu/PLA composite by using material extrusion 3D printing technology. A metallic filament made of 80% copper and 20% polylactic acid (PLA) was used for the 3D printing of the porous samples. We varied printing [...] Read more.
This paper presents 3D-printed micro-porous structures made of a Cu/PLA composite by using material extrusion 3D printing technology. A metallic filament made of 80% copper and 20% polylactic acid (PLA) was used for the 3D printing of the porous samples. We varied printing parameters, aiming to obtain a micro-range porosity that can serve as a water-filtering structure. The produced samples were analyzed from the aspects of dimensional accuracy, level of porosity, and capacity for water flow. Several samples were fabricated, and the water flow was exhibited for the samples with an approximate 100 µm size of the interconnected open porosity. The application of material extrusion 3D printing, as a cost-effective, widely available technology for producing micro-range porous structures, is still challenging, especially for interconnected predefined porosity with metal-based filaments. Our research showed that the optimization of 3D printing parameters can enable the fabrication of copper-based micro-porous structures, but further research is still needed. Full article
(This article belongs to the Special Issue Recent Advances in 3D Printing in Industry 4.0)
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20 pages, 11034 KiB  
Article
Experimental Evaluation of Mechanical Compression Properties of Aluminum Alloy Lattice Trusses for Anti-Ice System Applications
by Carlo Giovanni Ferro, Sara Varetti and Paolo Maggiore
Machines 2024, 12(6), 404; https://doi.org/10.3390/machines12060404 - 12 Jun 2024
Viewed by 445
Abstract
Lattice structures have emerged as promising materials for aerospace structure applications due to their high strength-to-weight ratios, customizable properties, and efficient use of materials. These properties make them attractive for use in anti-ice systems, where lightweight and heat exchange are essential. This paper [...] Read more.
Lattice structures have emerged as promising materials for aerospace structure applications due to their high strength-to-weight ratios, customizable properties, and efficient use of materials. These properties make them attractive for use in anti-ice systems, where lightweight and heat exchange are essential. This paper presents an extensive experimental investigation into mechanical compression properties of lattice trusses fabricated from AlSi10Mg powder alloy, a material commonly used in casted aerospace parts. The truss structures were manufactured using the additive manufacturing selective laser melting technique and were subjected to uniaxial compressive loading to assess their performance. The results demonstrate that AlSi10Mg lattice trusses exhibit remarkable compressive strength with strong correlations depending upon both topology and cells’ parameters setup. The findings described highlight the potential of AlSi10Mg alloy as a promising material for custom truss fabrication, offering customizable cost-effective and lightweight solutions for the aerospace market. This study also emphasizes the role of additive manufacturing in producing complex structures with pointwise-tailored mechanical properties. Full article
(This article belongs to the Special Issue Recent Advances in 3D Printing in Industry 4.0)
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18 pages, 7347 KiB  
Article
4D Printing: A Methodical Approach to Product Development Using Smart Materials
by Stefan Junk, Henning Einloth and Dirk Velten
Machines 2023, 11(11), 1035; https://doi.org/10.3390/machines11111035 - 20 Nov 2023
Viewed by 1257
Abstract
In 4D printing, an additively manufactured component is given the ability to change its shape or function in an intended and useful manner over time. The technology of 4D printing is still in an early stage of development. Nevertheless, interesting research and initial [...] Read more.
In 4D printing, an additively manufactured component is given the ability to change its shape or function in an intended and useful manner over time. The technology of 4D printing is still in an early stage of development. Nevertheless, interesting research and initial applications exist in the literature. In this work, a novel methodical approach is presented that helps transfer existing 4D printing research results and knowledge into solving application tasks systematically. Moreover, two different smart materials are analyzed, used, and combined following the presented methodical approach to solving the given task in the form of recovering an object from a poorly accessible space. This is implemented by self-positioning, grabbing, and extracting the target object. The first smart material used to realize these tasks is a shape-memory polymer, while the second is a polymer-based magnetic composite. In addition to the presentation and detailed implementation of the methodical approach, the potentials and behavior of the two smart materials are further examined and narrowed down as a result of the investigation. The results show that the developed methodical approach contributes to moving 4D printing closer toward a viable alternative to existing technologies due to its problem-oriented nature. Full article
(This article belongs to the Special Issue Recent Advances in 3D Printing in Industry 4.0)
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