Advances in Industrial and Manufacturing Engineering最新文献

{"title":"Experimental investigation on micro-EDM hybrid drilling process","authors":"C. Ravasio,&nbsp;G. Pellegrini","doi":"10.1016/j.aime.2024.100155","DOIUrl":"10.1016/j.aime.2024.100155","url":null,"abstract":"<div><div>Micro-EDM drilling is highly appreciated to produce micro-holes on any type of conductive material. Several industrial fields use this technology thanks to its capability to realize very accurate machining. A greater use of micro-EDM drilling process is limited by its poor performance in terms of machining time. To overcome this limit, hybrid solutions are being tested. The idea consists of benefitting from the advantages of at least two technologies trying to overcome the limitation of each one of them. Typically, EDM is used as secondary operation and the process consists of executing the micro-hole on a pre-hole realized by another process like laser. In this way, both the process performance and the quality aspects are guaranteed. Aim of this work is the investigation of the behaviour of the micro-EDM drilling on a pre-hole. In fact, the presence of a pre-hole changes deeply the machining conditions especially in terms of the dielectric flushing. In order to understand how the pre-hole changes the performance of the EDM drilling process, several aspects were investigated: the effects of the diameter of the pre-hole, the behaviour of the type of electrode, the influence of the accuracy of centring operation on the pre-hole and the hole depth. Titanium alloy sheets were used to execute final hole using electrode diameter of 0.3 mm. The process was evaluated considering both the process performance and the accuracy of the machining. The study of the law of electrode motion along its Z axis was also used to gather process information. In general, working with pre-holes yields much better performances than traditional EDM drilling thanks to different level of debris contamination in the machining zone. It was found that increasing the dimension of the pre-hole, the Material Removal Rate undergoes little changes. The electrode type (cylinder or tubular) on the pre-hole does not have evident effects on the process performance but only on the geometrical characteristics. The misalignment of the final hole on the pre-hole can improve the debris flow making the process more efficient but only when a part of the pre-hole lays outside the final hole. Within the limit of this experiments, the hole depth does not affect the presented results.</div></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"10 ","pages":"Article 100155"},"PeriodicalIF":3.9,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142706113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of graphene nanoparticles on DLP-printed parts' mechanical behavior","authors":"Md Imran Hossain ,&nbsp;Ola L.A. Harrysson ,&nbsp;Mohammad Asaduzzaman Chowdhury ,&nbsp;Nayem Hossain","doi":"10.1016/j.aime.2024.100153","DOIUrl":"10.1016/j.aime.2024.100153","url":null,"abstract":"<div><div>Digital Light Processing (DLP) is one of the most promising techniques among the additive manufacturing (AM) technologies for polymer resin. The polymer parts produced through this technique demonstrate a diverse range of characteristics that can be specifically designed for various fields of application. Specific attributes can be attained by utilizing polymer composites composed of multiple materials in numerous ratios. This research delves into evaluating and comparing different properties, including microstructure, surface texture, and mechanical behavior, of resin-based polymer composites fabricated using the DLP 3D printing technology. To achieve this, specimens have been printed using photopolymer resin as the base material, with varying percentages of graphene nanoparticles added to the resin. Tensile tests and particle analysis based on optical microscope images validate that optimizing parameters, especially the energy setting of the printer, significantly impact the printed samples' strength, surface texture, layering, and microstructure. The findings indicate that at a specific percentage of graphene, such as 0.5%, there is an increase in tensile strength by 38.1%, Young's modulus by 54.7%, and Yield strength by 11.2%, accompanied by an improved surface roughness. A graphene concentration of 0.75% results in diminished tensile strength, yield strength, and Young's modulus. The significance of fine-tuning printing parameters to achieve desired properties in resin-based polymer composites manufactured via 3D printing is highlighted.</div></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"10 ","pages":"Article 100153"},"PeriodicalIF":3.9,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142653032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum to “Influence of changing loading directions on damage in sheet metal forming” [Adv. Ind. Manuf. Eng. 8 (2024) 100139]","authors":"Philipp Lennemann,&nbsp;Joshua Grodotzki,&nbsp;Yannis P. Korkolis,&nbsp;A. Erman Tekkaya","doi":"10.1016/j.aime.2024.100147","DOIUrl":"10.1016/j.aime.2024.100147","url":null,"abstract":"","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100147"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141845945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modeling of equivalent strain in 2D cross-sections of open die forged components using neural networks","authors":"Nikhil Vijay Jagtap ,&nbsp;Niklas Reinisch ,&nbsp;Rasul Abdusalamov ,&nbsp;David Bailly ,&nbsp;Mikhail Itskov","doi":"10.1016/j.aime.2024.100152","DOIUrl":"10.1016/j.aime.2024.100152","url":null,"abstract":"<div><div>Open die forging is one of the oldest manufacturing methods known to remove defects in the ingot resulting from the casting process. The improved properties of the final component are highly dependent on the strain distribution. Although sinusoidal equations and empirical formulations have been already used to estimate the strain, they have been applied only to the core of the workpiece. In this work, a novel approach is presented to model the equivalent strain distribution in 2D cross-sections, in the direction of the press, of open die forged components using neural networks. The proposed method efficiently combines a parametric sinusoidal function with a neural network to learn the complex relationships between the process parameters and the resulting local strain. The neural network is trained on a dataset of finite element (FE) simulations of rectangular geometries that cover a wide range of aspect ratios, bite ratios, and height reductions. The presented methodology with near real-time prediction capabilities shows good agreement with FE results. Moreover, the parametric function captures the characteristic pattern of the strain distribution and reveals certain physical relationships affecting the deformation of the material. These patterns are later examined by analyzing the parameters identified in the parametric sinusoidal function.</div></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100152"},"PeriodicalIF":3.9,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence on micro-geometry and surface characteristics of laser powder bed fusion built 17-4 PH miniature spur gears in laser shock peening","authors":"Sunil Pathak ,&nbsp;Ondřej Stránský ,&nbsp;Jan Šmaus ,&nbsp;Jaromír Kopeček ,&nbsp;Jinoop Arackal Narayanan ,&nbsp;Jan Kaufman ,&nbsp;Libor Beránek ,&nbsp;Marek Böhm ,&nbsp;Jan Brajer ,&nbsp;Tomáš Mocek","doi":"10.1016/j.aime.2024.100151","DOIUrl":"10.1016/j.aime.2024.100151","url":null,"abstract":"<div><div>Micro-geometrical errors, surface roughness, and surface integrity (microstructure, residual stresses, microhardness) play an important role in defining the quality of the gears as they directly affect their noise, vibration characteristics and service life during their use. In the present work, underwater laser shock peening (LSP) is employed to improve the quality of the laser powder bed fusion built 17-4 PH small-size spur gears (12 mm outside diameter). LSP was employed near the spur gear root, and effects were measured in terms of residual stresses, variation in microgeometry errors, surface roughness, porosity, microstructure, and microhardness. It was observed that LSP could impart compressive residual stresses up to 0.4 mm of measured depth, while the surface roughness has improved by 32%. Microgeometry and microhardness of gears showed minor variations. Additionally, LSP has shown an impact on the microstructure as the grain orientation was altered and grain size reduced by 15.6% due to shock wave transmission. The study paves the way to use LSP as a post-processing technique to modify the surface characteristics of LPBF-built miniature spur gears with minimal impact on the gear microgeometry.</div></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100151"},"PeriodicalIF":3.9,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An inline point-tracking approach for the real-time monitoring of the free-form bending process","authors":"Lorenzo Scandola,&nbsp;Viktor Böhm,&nbsp;Daniel Maier,&nbsp;Jeremias Tschannerl,&nbsp;Florian Steinlehner,&nbsp;Christoph Hartmann,&nbsp;Wolfram Volk","doi":"10.1016/j.aime.2024.100150","DOIUrl":"10.1016/j.aime.2024.100150","url":null,"abstract":"<div><p>In order to make free-form bending a process of choice for the manufacturing of structural components, a robust strategy for process monitoring is required. Although the technology is particularly suitable for the production of bending components with variable and complex geometry, fluctuations in the process conditions, as well as in the quality of the semi-finished products can results in geometrical deviations from the target geometry. Currently, the quality assessment of the bent components can be done only offline by random sampling, with a considerable time and cost effort. In this contribution, a real-time process monitoring is realised and applied to free-form bending for the first time. First of all, an inline strategy based on single-point tracking for the assessment of the geometry is investigated through an extensive numerical sensitivity analysis. Successively, the method is implemented experimentally and validated with real tests. Finally, a small-batch series of deviating components is produced, and the developed strategy is adopted to perform a real-time process monitoring. The study highlights the potential of an inline measurement strategy for the process monitoring in free-form bending, and its advantages compared to the current offline methods.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100150"},"PeriodicalIF":3.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912924000151/pdfft?md5=5e481947cae14eb5983b1e08aef6868c&pid=1-s2.0-S2666912924000151-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142089526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experimental investigations on the formation mechanisms of shrink lines in powder bed fusion of metals using a laser beam","authors":"Dominik Rauner,&nbsp;David L. Wenzler,&nbsp;Daniel Wolf,&nbsp;Felix Granz,&nbsp;Michael F. Zaeh","doi":"10.1016/j.aime.2024.100149","DOIUrl":"10.1016/j.aime.2024.100149","url":null,"abstract":"<div><p>The powder bed fusion of metals using a laser beam enables the tool-free fabrication of complex part geometries with merging areas and rapid cross-sectional changes. Together, these geometry features represent a structural transition leading to the formation of shrink lines. These notches on the surface of the part reduce the dimensional accuracy and the fatigue resistance. Shrink lines arise in various materials, with the dimensions of the shrink line depending on the geometric design. The formation mechanisms and influencing parameters of shrink lines have not been investigated yet. This paper demonstrates the extent of influence of the part geometry on the shrink line formation, which was quantified by varying the design of a representative structural transition. In addition, the positions of the specimens on the build platform and the scanning strategy were varied for deriving a cause-effect relationship using process monitoring. The results demonstrated that the shrink line formation was mainly caused by a local overheating at the structural transition and the global cooling behavior. The radius at the structural transition indicated the most significant impact among the investigated geometric parameters. The shrink line dimensions depended significantly on the orientation of the specimens on the build platform and the local scanning strategy applied at the height of the structural transition. The results can be used to reduce shrink lines by re-designing the part and to adjust the manufacturing strategy for structural transitions.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100149"},"PeriodicalIF":3.9,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266691292400014X/pdfft?md5=611e578bed454a8d49c4e686c2e1edfa&pid=1-s2.0-S266691292400014X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141993806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A strain acceleration method to identify the onset of diffuse necking","authors":"Rui F.V. Sampaio ,&nbsp;João P.M. Pragana ,&nbsp;Ivo M.F. Bragança ,&nbsp;Carlos M.A. Silva ,&nbsp;Paulo A.F. Martins","doi":"10.1016/j.aime.2024.100148","DOIUrl":"10.1016/j.aime.2024.100148","url":null,"abstract":"<div><p>This paper presents an innovative ‘strain acceleration method’ for determining the onset of diffuse necking in sheet forming tests using data obtained from digital image correlation (DIC). The method identifies the onset time of diffuse necking and provides the corresponding in-plane principal strain values by detecting a local extreme in the second derivative of the minor principal in-plane strain with respect to time at the edges of the sheet surface region where diffuse necking occurs. Results obtained from applying the method to tensile testing on two different materials and comparisons with available methods based on force-time or principal strain rate evolutions confirm its accuracy and validity. The new method was implemented in a computer software to be used for research and education that also enables determination of localized necking and fracture and plotting the strain loading paths in principal strain space.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100148"},"PeriodicalIF":3.9,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912924000138/pdfft?md5=05a7a126b23a33d6522153ff66697659&pid=1-s2.0-S2666912924000138-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141961190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Retrofitting enables sustainability, Industry 4.0 connectivity, and improved usability","authors":"Tero Kaarlela ,&nbsp;Tero Niemi ,&nbsp;Tomi Pitkäaho ,&nbsp;Jari Harjula","doi":"10.1016/j.aime.2024.100146","DOIUrl":"https://doi.org/10.1016/j.aime.2024.100146","url":null,"abstract":"<div><p>Retrofitting is a sustainable approach to improving the capabilities and extending the life of aging machine tools. Reusing the mechanical construction and replacing only the control electronics and software is a viable option to upgrade an aging machine tool to a cutting-edge level. During the last decades, the evolution of machine tools has focused on developing computer numerical control (CNC) rather than on mechanical construction. Retrofitting the CNC enables Industry 4.0 connectivity and improved usability sustainably, preserving finite raw material resources and reducing carbon emissions created during the casting process of heavy blank parts for physically large machine tools.</p><p>This publication presents methods to retrofit machine tools using open-source CNC software and a feasibility study after seven years of operation. Our study highlights retrofitting as more profitable than repairing an aging CNC and compares the sustainability of retrofitting or replacing the aging machine tool with a new unit. In conclusion, retrofitting enables sustainability, connectivity, and accuracy comparable to modern machine tools. Retrofitting also paves the way for using artificial intelligence to monitor and adapt to tool wear, chatter, and surface roughness.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100146"},"PeriodicalIF":0.0,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912924000114/pdfft?md5=19e6b3c67119ec1343a8efb47ff495cb&pid=1-s2.0-S2666912924000114-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141298163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A simulated annealing metaheuristic approach to hybrid flow shop scheduling problem","authors":"Mohamed Karim Hajji ,&nbsp;Oumayma Hamlaoui ,&nbsp;Hatem Hadda","doi":"10.1016/j.aime.2024.100144","DOIUrl":"10.1016/j.aime.2024.100144","url":null,"abstract":"<div><p>This study investigates a complex hybrid flow shop scheduling problem prevalent in the industrial sector, characterized by dedicated machines, availability dates, and delivery times. The primary objective is to minimize the total completion time (makespan) in a two-stage workshop setting. We conducted a comprehensive literature review, revealing a scarcity of research on this specific configuration, and employed the Simulated Annealing metaheuristic as our main resolution method. Special emphasis was placed on the meticulous parameterization and configuration of this metaheuristic, crucial for navigating the complexity of the problem.</p><p>Our findings demonstrate the remarkable effectiveness of the Simulated Annealing method, particularly in achieving low deviation from the lower bound in larger problem sizes and specific instance classes. This consistency highlights the method’s robustness and suitability for complex scheduling scenarios. The study also reveals varying degrees of problem solvability across different instance classes, with computation times generally reasonable except in more challenging scenarios.</p></div>","PeriodicalId":34573,"journal":{"name":"Advances in Industrial and Manufacturing Engineering","volume":"9 ","pages":"Article 100144"},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666912924000096/pdfft?md5=568d8b28e0aa6aad12d2b5e6b96f31cc&pid=1-s2.0-S2666912924000096-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141279797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}