Journal articles: '3D printing technologies'

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Lisich, Mihail, R. Belinchenko, and A. Shkilniy. "Technologies 3D printing." Актуальные направления научных исследований XXI века: теория и практика 2, no. 4 (November 4, 2014): 215–19. http://dx.doi.org/10.12737/6147.

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Mody, BharatM. "Disruptive Technologies: 3D Printing." Journal of Indian Academy of Oral Medicine and Radiology 33, no. 4 (2021): 350. http://dx.doi.org/10.4103/jiaomr.jiaomr_326_21.

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Choi, Jae-Won, and Ho-Chan Kim. "3D Printing Technologies - A Review." Journal of the Korean Society of Manufacturing Process Engineers 14, no. 3 (June 30, 2015): 1–8. http://dx.doi.org/10.14775/ksmpe.2015.14.3.001.

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Kolitsky, Michael A. "Reshaping teaching and learning with 3D printing technologies." e-mentor 2014, no. 56 (4) (October 24, 2014): 84–94. http://dx.doi.org/10.15219/em56.1130.

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Dizon, John Ryan Cortez, Arnaldo D. Valino, Lucio R. Souza, Alejandro H. Espera, Qiyi Chen, and Rigoberto C. Advincula. "3D Printed Injection Molds Using Various 3D Printing Technologies." Materials Science Forum 1005 (August 2020): 150–56. http://dx.doi.org/10.4028/www.scientific.net/msf.1005.150.

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This paper explores the possibility of using different 3d printing methods and materials in the production of polymer molds for injection molding applications. A mold producing a cube was designed using a commercial software. Following the standard 3d printing process, injection molds which could produce a cube were printed using different 3d printing materials and 3d printing technologies. The 3d printing technologies used were Stereolithography (SLA), Polyjet and Fused Filament Fabrication (FFF). A bench-top injection molding machine was used to inject polylactic acid (PLA) in these molds. The quality of the injected parts in terms of dimensional accuracy has been investigated. In some cases, the damage mechanism of the polymer molds has also been observed.

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Mondal, Kunal, and Prabhat Kumar Tripathy. "Preparation of Smart Materials by Additive Manufacturing Technologies: A Review." Materials 14, no. 21 (October 27, 2021): 6442. http://dx.doi.org/10.3390/ma14216442.

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Over the last few decades, advanced manufacturing and additive printing technologies have made incredible inroads into the fields of engineering, transportation, and healthcare. Among additive manufacturing technologies, 3D printing is gradually emerging as a powerful technique owing to a combination of attractive features, such as fast prototyping, fabrication of complex designs/structures, minimization of waste generation, and easy mass customization. Of late, 4D printing has also been initiated, which is the sophisticated version of the 3D printing. It has an extra advantageous feature: retaining shape memory and being able to provide instructions to the printed parts on how to move or adapt under some environmental conditions, such as, water, wind, light, temperature, or other environmental stimuli. This advanced printing utilizes the response of smart manufactured materials, which offer the capability of changing shapes postproduction over application of any forms of energy. The potential application of 4D printing in the biomedical field is huge. Here, the technology could be applied to tissue engineering, medicine, and configuration of smart biomedical devices. Various characteristics of next generation additive printings, namely 3D and 4D printings, and their use in enhancing the manufacturing domain, their development, and some of the applications have been discussed. Special materials with piezoelectric properties and shape-changing characteristics have also been discussed in comparison with conventional material options for additive printing.

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S, Hussain. "Overview of 3D Printing Technology." Bioequivalence & Bioavailability International Journal 5, no. 1 (2021): 1–3. http://dx.doi.org/10.23880/beba-16000149.

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The pharmaceutical industry is advancing at an incredible rate. Novel drug formulations for targeted therapy have been developed all thanks to advances in modern sciences. Even so, the manufacturing sector of novel dosage forms is minimal, and the industry continues to rely on traditional drug delivery systems, particularly modified tablets. The use of 3D printing technologies in pharma companies has opened up new possibilities for printed products and device research and production. 3D Printing has slowly progressed from its original use as pre-surgical imaging templates and tooling molds to produce one-of-a-kind instruments, implants, tissue engineering scaffolds, testing platforms, and drug delivery systems. The most significant advantages of 3D printing technologies include the ability to produce small batches of drugs with custom dosages, forms, weights, and drug release profiles. The production of medicines in this manner could eventually contribute to the realization of the principle of personalized medicine. The biomedical industry and academia have also embraced 3D printing in recent years. It offers commercially available medical devices as well as a forum for cutting-edge studies in fields such as tissue and organ printing. This mini-review provides an overview of 3D printed technology in medicines.

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Ambrosi, Adriano, and Martin Pumera. "3D-printing technologies for electrochemical applications." Chemical Society Reviews 45, no. 10 (2016): 2740–55. http://dx.doi.org/10.1039/c5cs00714c.

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Since its conception during the 80s, 3D-printing has been receiving unprecedented levels of attention from industry and research laboratories, in addition to end users. Enabling almost infinite possibilities for rapid prototyping, 3D-printing is being considered as fabrication tool in numerous research fields including electrochemistry which can certainly exploit the advantages of this technology for sensing, energy-related and synthetic applications.

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Koizumi, Yuichiro, Akihiko Chiba, Naoyuki Nomura, and Takayoshi Nakano. "Fundamentals of Metal 3D Printing Technologies." Materia Japan 56, no. 12 (2017): 686–90. http://dx.doi.org/10.2320/materia.56.686.

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Kim, Meeri. "Biomedical applications of 3D printing technologies." Scilight 2018, no. 51 (December 17, 2018): 510003. http://dx.doi.org/10.1063/1.5085639.

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Reade, L. "Fresh prints [healthcare technologies - 3D printing]." Engineering & Technology 16, no. 11 (December 1, 2021): 50–53. http://dx.doi.org/10.1049/et.2021.1103.

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Gómez Galparsoro, Miren, and Edorta Santos Vizcaíno. "3D PRINTING OF MEDICINES." Anales de la Real Academia Nacional de Farmacia, no. 86(03) (2020): 157–72. http://dx.doi.org/10.53519/analesranf.2020.86.03.01.

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The pharmaceutical industry is continually searching for new technologies to improve the characteristics of current medicines. One of the objectives is the increase of adherence to the treatments by patients. Simultaneously, 3-dimensional printing (3DP) is an emerging additive technique that is reaching many sectors of industry and influencing directly and indirectly the quality of life of patients. In this sense, 3DP postulates to be one of the technologies that contribute to the pharmaceutical development, allowing the personalized medicine in patients, improving the bioavailability of drugs with dissolution problems or combining all the medication of the patients in a single tablet (polypill), among others. This new technique will differ greatly from the traditional pharmaceutical manufacturing and in the coming years it may involve a revolutionary transformation in pharmaceutical practice.

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Park, Sangsung, Juhwan Kim, Hongchul Lee, Dongsik Jang, and Sunghae Jun. "Methodology of technological evolution for three-dimensional printing." Industrial Management & Data Systems 116, no. 1 (February 1, 2016): 122–46. http://dx.doi.org/10.1108/imds-05-2015-0206.

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Purpose – An increasing amount of attention is being paid to three-dimensional (3D) printing technology. The technology itself is based on diverse technologies such as laser beams and materials. Hence, 3D printing technology is a converging technology that produces 3D objects using a 3D printer. To become technologically competitive, many companies and nations are developing technologies for 3D printing. So to know its technological evolution is meaningful for developing 3D printing in the future. The paper aims to discuss these issues. Design/methodology/approach – To get technological competitiveness of 3D printing, the authors should know the most important and essential technology for 3D printing. An understanding of the technological evolution of 3D printing is needed to forecast its future technologies and build the R & D planning needed for 3D printing. In this paper, the authors propose a methodology to analyze the technological evolution of 3D printing. The authors analyze entire patent documents related to 3D printing to construct a technological evolution model. The authors use the statistical methods such as time series regression, association analysis based on graph theory, and principal component analysis for patent analysis of 3D printing technology. Findings – Using the proposed methodology, the authors show the technological analysis results of 3D printing and predict its future aspects. Though many and diverse technologies are developed and involved in 3D printing, the authors know only a few technologies take lead the technological evolution of 3D printing. In this paper, the authors find this evolution of technology management for 3D printing. Practical implications – If not all, most people would agree that 3D printing technology is one of the leading technologies to improve the quality of life. So, many companies have developed a number of technologies if they were related to 3D printing. But, most of them have not been considered practical. These were not effective research and development for 3D printing technology. In the study, the authors serve a methodology to select the specific technologies for practical used of 3D printing. Originality/value – Diverse predictions for 3D printing technology have been introduced in many academic and industrial fields. Most of them were made by subjective approaches depended on the knowledge and experience of the experts concerning 3D printing technology. So, they could be fluctuated according to the congregated expert groups, and be unstable for efficient R & D planning. To solve this problem, the authors study on more objective approach to predict the future state of 3D printing by analyzing the patent data of the developed results so far achieved. The contribution of this research is to take a new departure for understanding 3D printing technology using objective and quantitative methods.

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Tian, Yueyi, ChunXu Chen, Xiaotong Xu, Jiayin Wang, Xingyu Hou, Kelun Li, Xinyue Lu, HaoYu Shi, Eui-Seok Lee, and Heng Bo Jiang. "A Review of 3D Printing in Dentistry: Technologies, Affecting Factors, and Applications." Scanning 2021 (July 17, 2021): 1–19. http://dx.doi.org/10.1155/2021/9950131.

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Three-dimensional (3D) printing technologies are advanced manufacturing technologies based on computer-aided design digital models to create personalized 3D objects automatically. They have been widely used in the industry, design, engineering, and manufacturing fields for nearly 30 years. Three-dimensional printing has many advantages in process engineering, with applications in dentistry ranging from the field of prosthodontics, oral and maxillofacial surgery, and oral implantology to orthodontics, endodontics, and periodontology. This review provides a practical and scientific overview of 3D printing technologies. First, it introduces current 3D printing technologies, including powder bed fusion, photopolymerization molding, and fused deposition modeling. Additionally, it introduces various factors affecting 3D printing metrics, such as mechanical properties and accuracy. The final section presents a summary of the clinical applications of 3D printing in dentistry, including manufacturing working models and main applications in the fields of prosthodontics, oral and maxillofacial surgery, and oral implantology. The 3D printing technologies have the advantages of high material utilization and the ability to manufacture a single complex geometry; nevertheless, they have the disadvantages of high cost and time-consuming postprocessing. The development of new materials and technologies will be the future trend of 3D printing in dentistry, and there is no denying that 3D printing will have a bright future.

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Li, Ruixiu, Yu-Huan Ting, Souha H. Youssef, Yunmei Song, and Sanjay Garg. "Three-Dimensional Printing for Cancer Applications: Research Landscape and Technologies." Pharmaceuticals 14, no. 8 (August 10, 2021): 787. http://dx.doi.org/10.3390/ph14080787.

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As a variety of novel technologies, 3D printing has been considerably applied in the field of health care, including cancer treatment. With its fast prototyping nature, 3D printing could transform basic oncology discoveries to clinical use quickly, speed up and even revolutionise the whole drug discovery and development process. This literature review provides insight into the up-to-date applications of 3D printing on cancer research and treatment, from fundamental research and drug discovery to drug development and clinical applications. These include 3D printing of anticancer pharmaceutics, 3D-bioprinted cancer cell models and customised nonbiological medical devices. Finally, the challenges of 3D printing for cancer applications are elaborated, and the future of 3D-printed medical applications is envisioned.

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Grishin, A. S., O. V. Bredikhina, A. S. Pomoz, V. G. Ponomarev, and O. N. Krasulya. "NEW TECHNOLOGIES IN FOOD INDUSTRY – 3D PRINTING." Bulletin of the South Ural State University. Series Food and Biotechnology 4, no. 2 (2016): 36–44. http://dx.doi.org/10.14529/food160205.

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Rompas, Alexander, Charalampos Tsirmpas, Ianos Papatheodorou, Georgia Koutsouri, and Dimitris Koutsouris. "3D Printing: Basic Concepts Mathematics and Technologies." International Journal of Systems Biology and Biomedical Technologies 2, no. 2 (April 2013): 58–71. http://dx.doi.org/10.4018/ijsbbt.2013040104.

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3D printing is about being able to print any object layer by layer. But if one questions this proposition, can one find any three-dimensional objects that can't be printed layer by layer? To banish any disbeliefs the authors walked together through the mathematics that prove 3d printing is feasible for any real life object. 3d printers create three-dimensional objects by building them up layer by layer. The current generation of 3d printers typically requires input from a CAD program in the form of an STL file, which defines a shape by a list of triangle vertices. The vast majority of 3d printers use two techniques, FDM (Fused Deposition Modelling) and PBP (Powder Binder Printing). One advanced form of 3d printing that has been an area of increasing scientific interest the recent years is bioprinting. Cell printers utilizing techniques similar to FDM were developed for bioprinting. These printers give us the ability to place cells in positions that mimic their respective positions in organs. Finally, through a series of case studies the authors show that 3d printers have made a massive breakthrough in medicine lately.

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Mea, H., and J. Wan. "Microfluidics-enabled functional 3D printing." Biomicrofluidics 16, no. 2 (March 2022): 021501. http://dx.doi.org/10.1063/5.0083673.

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Microfluidic technology has established itself as a powerful tool to enable highly precise spatiotemporal control over fluid streams for mixing, separations, biochemical reactions, and material synthesis. 3D printing technologies such as extrusion-based printing, inkjet, and stereolithography share similar length scales and fundamentals of fluid handling with microfluidics. The advanced fluidic manipulation capabilities afforded by microfluidics can thus be potentially leveraged to enhance the performance of existing 3D printing technologies or even develop new approaches to additive manufacturing. This review discusses recent developments in integrating microfluidic elements with several well-established 3D printing technologies, highlighting the trend of using microfluidic approaches to achieve functional and multimaterial 3D printing as well as to identify potential future research directions in this emergent area.

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Zagorodnuk, L. Kh, M. Yu Elistratkin, D. S. Podgornyi, and Saad Khalil Shadid Al Mamuri. "Сomposite binders for 3d additive technologies." Russian Automobile and Highway Industry Journal 18, no. 4 (September 17, 2021): 428–39. http://dx.doi.org/10.26518/2071-7296-2021-18-4-428-439.

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Introduction. In recent years, there has been an active development of 3D additive technologies. This trend could not but affect the construction industry. However, printing using plastics and other organic compounds differs significantly in its technological features from printing with building compounds. Concrete and mortars used in layer-by-layer printing must have a number of technological properties, such as sufficient viscosity for extrusion by an extruder, low mobility to maintain geometry after laying, high setting speed and strength after hardening. Currently, there are a number of compositions that meet these requirements, however, they, as a rule, are not distinguished by high strength and require a wide raw material base, which may not be available in field printing conditions. As a result, it is necessary to expand the range of building materials for 3D printing, suitable for the above criteria, as well as satisfying economic indicators.Materials and methods. Research has been carried out using physical and mechanical tests, X-ray phase analysis and electron microscopy on the effect of finely ground mineral additives on the microstructure and hardening processes of composite binders with various dosages of functional additives.Results. The results of studies on the production of composite binders for 3D additive technologies using Portland cement and man-made waste - waste of wet magnetic separation of the Stary Oskol electrometallurgical plant, modified with additives accelerators (Technonikol Master) and plasticizers (Polyplast PK-R) using mathematical planning and construction of mathematical models for composite binders with different hardening times are pesented.Conclusion. The efficiency of using the obtained composite binder has been proven, the use of which provides an increase in rheological properties, and also makes it possible to save expensive portland cement.

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Alabi, Micheal Omotayo. "Big Data, 3D Printing Technology, and Industry of the Future." International Journal of Big Data and Analytics in Healthcare 2, no. 2 (July 2017): 1–20. http://dx.doi.org/10.4018/ijbdah.2017070101.

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This article describes how 3D printing technology, also referred to as additive manufacturing (AM), is a process of creating a physical object from 3-dimensional digital model layers upon layers. 3D printing technologies have been identified as an emerging technology of the 21st century and are becoming popular around the world with a wide variety of potential application areas such as healthcare, automotive, aerospace, manufacturing, etc. Big Data is a large amount of imprecise data in a variety of formats which is generated from different sources with high-speed. Recently, Big Data and 3D printing technologies is a new research area and have been identified as types of technologies that will launch the fourth industrial revolution (Industry 4.0). As Big Data and 3D printing technology is wide spreading across different sectors in the era of industry 4.0, the healthcare sector is not left out of the vast development in this field; for instance, the Big Data and 3D printing technologies providing needed tools to support healthcare systems to accumulate, manage, analyse large volume of data, early disease detection, 3D printed medical implant, 3D printed customized titanium prosthetic, etc. Therefore, this article presents the recent trends in 3D printing technologies, Big Data and Industry 4.0; including the benefits and the application areas of these technologies. Emerging and near future application areas of 3D printing, and possible future research areas in 3D printing and Big Data technologies as relating to industry 4.0.

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Wang, Chen, and Lin. "A Collaborative and Ubiquitous System for Fabricating Dental Parts Using 3D Printing Technologies." Healthcare 7, no. 3 (September 6, 2019): 103. http://dx.doi.org/10.3390/healthcare7030103.

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Three-dimensional (3D) printing has great potential for establishing a ubiquitous service in the medical industry. However, the planning, optimization, and control of a ubiquitous 3D printing network have not been sufficiently discussed. Therefore, this study established a collaborative and ubiquitous system for making dental parts using 3D printing. The collaborative and ubiquitous system split an order for the 3D printing facilities to fulfill the order collaboratively and forms a delivery plan to pick up the 3D objects. To optimize the performance of the two tasks, a mixed-integer linear programming (MILP) model and a mixed-integer quadratic programming (MIQP) model are proposed, respectively. In addition, slack information is derived and provided to each 3D printing facility so that it can determine the feasibility of resuming the same 3D printing process locally from the beginning without violating the optimality of the original printing and delivery plan. Further, more slack is gained by considering the chain effect between two successive 3D printing facilities. The effectiveness of the collaborative and ubiquitous system was validated using a regional experiment in Taichung City, Taiwan. Compared with two existing methods, the collaborative and ubiquitous 3D printing network reduced the manufacturing lead time by 45% on average. Furthermore, with the slack information, a 3D printing facility could make an independent decision about the feasibility of resuming the same 3D printing process locally from the beginning.

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Remaggi, Giulia, Alessandro Zaccarelli, and Lisa Elviri. "3D Printing Technologies in Biosensors Production: Recent Developments." Chemosensors 10, no. 2 (February 7, 2022): 65. http://dx.doi.org/10.3390/chemosensors10020065.

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Recent advances in 3D printing technologies and materials have enabled rapid development of innovative sensors for applications in different aspects of human life. Various 3D printing technologies have been adopted to fabricate biosensors or some of their components thanks to the advantages of these methodologies over the traditional ones, such as end-user customization and rapid prototyping. In this review, the works published in the last two years on 3D-printed biosensors are considered and grouped on the basis of the 3D printing technologies applied in different fields of application, highlighting the main analytical parameters. In the first part, 3D methods are discussed, after which the principal achievements and promising aspects obtained with the 3D-printed sensors are reported. An overview of the recent developments on this current topic is provided, as established by the considered works in this multidisciplinary field. Finally, future challenges on the improvement and innovation of the 3D printing technologies utilized for biosensors production are discussed.

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Kumar, Sanjay, Pulak Bhushan, Mohit Pandey, and Shantanu Bhattacharya. "Additive manufacturing as an emerging technology for fabrication of microelectromechanical systems (MEMS)." Journal of Micromanufacturing 2, no. 2 (June 17, 2019): 175–97. http://dx.doi.org/10.1177/2516598419843688.

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The recent success of additive manufacturing processes (also called, 3D printing) in the manufacturing sector has led to a shift in the focus from simple prototyping to real production-grade technology. The enhanced capabilities of 3D printing processes to build intricate geometric shapes with high precision and resolution have led to their increased use in fabrication of microelectromechanical systems (MEMS). The 3D printing technology has offered tremendous flexibility to users for fabricating custom-built components. Over the past few decades, different types of 3D printing technologies have been developed. This article provides a comprehensive review of the recent developments and significant achievements in most widely used 3D printing technologies for MEMS fabrication, their working methodology, advantages, limitations, and potential applications. Furthermore, some of the emerging hybrid 3D printing technologies are discussed, and the current challenges associated with the 3D printing processes are addressed. Finally, future directions for process improvements in 3D printing techniques are presented.

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Raut, Shrikant V., and R. R. Arakerimath. "Comparison and Selection of Suitable 3D Printing Technology to Replicate Plastic Material Properties for Rapid Prototyping." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (April 30, 2022): 1–3. http://dx.doi.org/10.22214/ijraset.2022.40415.

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Abstract: In R&D there is need of rapid prototyping to validate new concepts. 3D printing is widely used now a days For rapid prototyping of new concepts. As there are numerous 3D printing technologies are available now in market so it is always difficult to select correct 3D printing technology to replicate plastic material as per requirement in prototyping. Engineers in industry initially struggle or spend time to select best suited 3D printing technology for rapid prototyping of their concept or part. In this study we will be reviewing different available 3D printing technologies and its capabilities in terms of adding properties in printed parts. We will be selecting most common plastic which are being used in industry. For selected materials best suited 3D printing technologies will be compared on the basis of required material properties Keywords: 3D printing, Plastics, RPT, Comparison, Product

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Zhang, Feng, Min Wei, Vilayanur V. Viswanathan, Benjamin Swart, Yuyan Shao, Gang Wu, and Chi Zhou. "3D printing technologies for electrochemical energy storage." Nano Energy 40 (October 2017): 418–31. http://dx.doi.org/10.1016/j.nanoen.2017.08.037.

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Mohammed, Javeed Shaikh. "Applications of 3D printing technologies in oceanography." Methods in Oceanography 17 (December 2016): 97–117. http://dx.doi.org/10.1016/j.mio.2016.08.001.

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., Aayush Srivastava. "3D PRINTING METHODS AND TECHNOLOGIES: A SURVEY." International Journal of Research in Engineering and Technology 05, no. 05 (May 25, 2016): 345–49. http://dx.doi.org/10.15623/ijret.2016.0505064.

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Musgraves, Tyler, Hitesh D. Vora, and Subrata Sanyal. "Metrology for additive manufacturing (3D printing) technologies." International Journal of Additive and Subtractive Materials Manufacturing 2, no. 1 (2018): 74. http://dx.doi.org/10.1504/ijasmm.2018.093323.

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Sanyal, Subrata, Tyler Musgraves, and Hitesh D. Vora. "Metrology for additive manufacturing (3D printing) technologies." International Journal of Additive and Subtractive Materials Manufacturing 2, no. 1 (2018): 74. http://dx.doi.org/10.1504/ijasmm.2018.10014605.

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Malnati, Peggy. "DyeMansion Expands Finishing Technologies for 3D Printing." Plastics Engineering 77, no. 5 (May 2021): 31–33. http://dx.doi.org/10.1002/peng.20506.

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Nesterenkov, V. M., V. A. Matvejchuk, and M. O. Rusynik. "Manufacture of industrial products using electron beam technologies for 3D-printing." Paton Welding Journal 2018, no. 1 (January 28, 2018): 24–28. http://dx.doi.org/10.15407/tpwj2018.01.05.

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Yarikov, Anton V., Roman O. Gorbatov, Anton A. Denisov, Igor I. Smirnov, Alexandr P. Fraerman, Andrey G. Sosnin, Olga A. Perlmutter, and Alexandr A. Kalinkin. "Application of additive 3D printing technologies in neurosurgery, vertebrology and traumatology and orthopedics." Journal of Clinical Practice 12, no. 1 (May 7, 2021): 90–104. http://dx.doi.org/10.17816/clinpract64944.

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Additive technologies are now widely used in various fields of clinical medicine. In particular, 3D printing is widely used in neurosurgery, vertebrology and traumatology-orthopedics. The article describes in detail the basic principles of medical 3D printing. The modern classification of 3D printers is presented based on the following principles of printing: FDM, SLA, SLS and others. The main advantages and disadvantages of the above-mentioned 3D printers and the areas of clinical medicine in which they are used are described. Further in the review, the authors discuss the experience with 3D printing applications, based on the data of the modern scientific literature. A special attention is paid to the use of 3D printing in the manufacture of individual implants for cranioplasty. 3D printing technologies in reconstructive neurosurgery make it possible to create high-precision implants, reduce the time of surgical intervention and improve the aesthetic effect of the operation. The article also presents the data of the modern literature on the use of 3D printing in vertebrology, where a special role is given to the use of guides for the installation of transpedicular screws and the use of individual lordosing cages. The use of individual guides, especially for severe spinal deformities, reduces the risk of metal structure malposition and the duration of surgical intervention. This technique is also widely used in traumatology and orthopedics, where individual implants made of titanium, a bone-substituting material, are created using 3D printing, thanks to which it is possible to replace bone defects of any shape, complexity and size and create hybrid exoprostheses. The role of 3D modeling and 3D printing in the training of medical personnel at the present stage is described. In conclusion, the authors present their experience of using 3D modeling and 3D printing in reconstructive neurosurgery and vertebrology.

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Sedunin, Vyacheslav, Yuri Marchenko, and Ilya Kalinin. "PROTOTYPING OF CENTRIFUGAL MICROCOMPRESSORS USING ADDITIVE TECHNOLOGIES." Perm National Research Polytechnic University Aerospace Engineering Bulletin, no. 67 (2021): 27–34. http://dx.doi.org/10.15593/2224-9982/2021.67.03.

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In the fast-developing market of customer products, a development lead time becomes more and more critical. However, these technologies have limits. Also, the application of so-called additive manufacturing technologies, particularly FDM 3D printing, is limited by the materials used and the part’s quality. The significant advantage of additive manufacturing is building components without the use of molds or tools. The paper presents an experience of fast prototyping a centrifugal compressor using 3D printing with polymer plastics. 3D printing of parts has the main goal in this study to develop a structural and functional prototype for variation centrifugal compressors testing. Additive manufacturing technologies can fabricate centrifugal compressors with less labor and any configuration. Attention is paid to the choice of 3D printing technology, materials, and the influence of printing parameters on the product's mechanical properties. In conclusion, experimental results are presented for the prototype together with recommendations for serial manufacturing. Also, a laboratory bench is described where variant tests will be carried out. All this will allow the reader to interpret those solutions more reasonably and take into account the specifics in more detail when developing a technical requirement for centrifugal compressors testing.

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Gorbunova, Nataliya A. "POSSIBILITIES OF ADDITIVE TECHNOLOGIES IN THE MEAT INDUSTRY. A REVIEW." Theory and practice of meat processing 5, no. 1 (April 16, 2020): 9–16. http://dx.doi.org/10.21323/2414-438x-2020-5-1-9-16.

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Three-dimensional printing (3D printing) is a rapidly developing market of digital technologies with a huge potential for food production, which gives an opportunity to create new food products with the improved nutritional value and sensory profile, and adapted for a particular consumer. The review presents historical aspects of the development of the additive technologies and their classification, examines advantages and drawbacks of the 3D food printing, discusses key aspects of safety of three-dimensional food printing and probable peculiarities of their labeling, analyzes potential possibilities of using the 3DP technology for meat processing and aspects influencing the possibility of printing and following processing of 3D printed meat products.

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Havryliak, Stepan. "NEW TECHNOLOGIES IN THE FIELD OF CONSTRUCTION. USING 3D PRINTERS." Theory and Building Practice 2021, no. 1 (June 22, 2021): 15–22. http://dx.doi.org/10.23939/jtbp2021.01.015.

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Technological processes in all branches of production are maximally automated in the world, this also applies to construction. The main driver of automation of construction processes is 3D printing technology. The first driver was the invention of stereolithography technology, which was discovered in 1986 by American engineer Chuck Hull. The article describes the process of 3D printing technology, using different materials and printing principles. The main 3D printing includes the application of the material in layers at high temperatures (for small plastic products) and layer by layer of concrete mix and geopolymer concrete when printing houses. The first to start using 3D printers in construction was the Chinese company Winsun. Also considered are building structures (buildings and structures) that were built using 3D printers, compared to their technical and economic indicators. The positive and negative aspects of the use of 3D printers in construction are studied. In the future, it is planned to study plastics of ABS and PLA brands to create structural building elements with the subsequent use of these elements in construction.

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Vasquez, Mike. "Embracing 3D Printing." Mechanical Engineering 137, no. 08 (August 1, 2015): 42–45. http://dx.doi.org/10.1115/1.2015-aug-3.

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This article reviews the challenges for companies while adopting three-dimensional (3D) printing technology. A big challenge for companies figuring out whether they need to invest in 3-D printing is the different types of printing systems available in the market. At a high level, there are seven different families of 3-D printing processes. Each of the seven technologies is differentiated by the materials used and how the materials are fused together to create three-dimensional objects. Another barrier is that most companies have not yet found it viable to put the processes in place to incorporate the change in design, engineering, and manufacturing production that is required. Not only capital funds are needed to purchase machines, but to effectively use the technology to create a sellable product, one also needs to have a targeted product line and clear vision of the ways that 3-D printing can help lower material costs, save energy, and simplify manufacturing and assembly.

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Jean Paul, Vladimir, Timur A. Elberdov, and Marina I. Rynkovskaya. "Helicoids 3D modeling for additive technologies." RUDN Journal of Engineering Researches 21, no. 2 (December 15, 2020): 136–43. http://dx.doi.org/10.22363/2312-8143-2020-21-2-136-143.

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The article provides an analysis of modern and affordable software systems for modelling shells of complex geometry and the possibilities of using these software systems in 3D printing. Such an analysis made it possible to choose software systems that most accurately allow for the implementation of the 3D modeling method proposed in the article with subsequent printing on a 3D printer. This method is considered in detail on the example of constructing several types of helicoids. The process of 3D modeling of a helicoid is described step by step and is divided into several stages: parametric modeling of a helicoid in SCAD, editing of the resulting model in AutoCAD and its export to a special format for 3D printing. The use of the method of parametric modeling is due to its accuracy and uncompromisingness. With its help, one can accurately judge the type of the built surface. Parametric modeling is the construction of a surface by compiling equations on each axis, i.e. along the x, y, z axes, and for each type of surface there are specific characteristic equations. It is not possible to implement the method of parametric modeling in all software systems; in this connection, certain difficulties arise. The article analyzes the difficulties encountered in 3D modeling of the helicoid and suggests ways to solve them.

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Qaryouti, Ghazi, Abdel Rahman Salbad, Sohaib A. Tamimi, Anwar Almofleh, Wael A. Salah, and Qazem Jaber. "Design and implementation of a three dimensions (3D) printer for modeling and pre-manufacturing applications." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 6 (December 1, 2019): 4749. http://dx.doi.org/10.11591/ijece.v9i6.pp4749-4757.

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The three-dimensional (3D) printing technologies represent a revolution in the manufacturing sector due to their unique characteristics. These printers arecapable to increase the productivitywithlower complexity in addition tothe reduction inmaterial waste as well the overall design cost prior large scalemanufacturing.However, the applications of 3D printing technologies for the manufacture of functional components or devices remain an almost unexplored field due to their high complexity. In this paper the development of 3D printing technologies for the manufacture of functional parts and devices for different applications is presented. The use of 3D printing technologies in these applicationsis widelyused in modelingdevices usually involves expensive materials such as ceramics or compounds. The recent advances in the implementation of 3D printing with the use of environmental friendly materialsin addition to the advantages ofhighperformance and flexibility. The design and implementation of relatively low-cost and efficient 3D printer is presented. The developed prototype was successfully operated with satisfactory operated as shown from the printed samples shown.

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Ignatova, Elena, and Valentina Predeina. "INFORMATION MODELING AND ADDITIVE TECHNOLOGIES IN CONSTRUCTION." Construction and Architecture 9, no. 3 (October 29, 2021): 41–45. http://dx.doi.org/10.29039/2308-0191-2021-9-3-41-45.

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The aspects of construction digitalization related to the use of information modeling of the construction object (BIM) and 3D printing are discussed. The object of the research is additive manufacturing and its features in development. The subject of the research is the influence of additive constructing on BIM. The purpose of the research is to develop a BIM methodology, using 3D printing. The limitations of additive constructing are analyzed, and the methodology of information modeling considering these limitations is formed as a result of the research. The main limitations of 3D printing are associated with the size of the construction object, size, shape and weight of structures, used materials, used reinforcement technology, costs, temperature and print speed. The methodology includes the formation of model with special parameters, showing their values, and the verification of parameter values for acceptability. Checking the values of the parameters can be a part of mandatory verification process of the information model. The proposed method does not depend on the level of development of a 3D printing technology.

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Jeon, Seunggyu, Se-Hwan Lee, Saeed B. Ahmed, Jonghyeuk Han, Su-Jin Heo, and Hyun-Wook Kang. "3D cell aggregate printing technology and its applications." Essays in Biochemistry 65, no. 3 (August 2021): 467–80. http://dx.doi.org/10.1042/ebc20200128.

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Abstract Various cell aggregate culture technologies have been developed and actively applied to tissue engineering and organ-on-a-chip. However, the conventional culture technologies are labor-intensive, and their outcomes are highly user dependent. In addition, the technologies cannot be used to produce three-dimensional (3D) complex tissues. In this regard, 3D cell aggregate printing technology has attracted increased attention from many researchers owing to its 3D processability. The technology allows the fabrication of 3D freeform constructs using multiple types of cell aggregates in an automated manner. Technological advancement has resulted in the development of a printing technology with a high resolution of approximately 20 μm in 3D space. A high-speed printing technology that can print a cell aggregate in milliseconds has also been introduced. The developed aggregate printing technologies are being actively applied to produce various types of engineered tissues. Although various types of high-performance printing technologies have been developed, there are still some technical obstacles in the fabrication of engineered tissues that mimic the structure and function of native tissues. This review highlights the central importance and current technical level of 3D cell aggregate printing technology, and their applications to tissue/disease models, artificial tissues, and drug-screening platforms. The paper also discusses the remaining hurdles and future directions of the printing processes.

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Gao, Zihang, and Nannan Zhao. "Research on Key Technologies of FDM 3D Printing Based on Computer Assisted 3D Reconstruction." Journal of Physics: Conference Series 2083, no. 4 (November 1, 2021): 042011. http://dx.doi.org/10.1088/1742-6596/2083/4/042011.

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Abstract As a core technology in the field of high and new tech manufacturing,3D printing occupies an important position in the production process of aviation, shipbuilding, and automobiles. With the rapid development of 3D printing basic theory in recent years, how to further improve product accuracy, quality and modeling efficiency has become the current research focus in this field. Firstly, we conducted further research on the key technologies of FDM 3D printer, and combining 3D reconstruction technology with pretreatment technology. Secondly, we constructed and optimized the corresponding model layered slice and filling path planning algorithm. Thirdly, we designed a 3D suitable for rapid prototyping products printing control system. The research can provide an effective experience for the application of 3D printing technologies.

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Kovalcik, Adriana. "Recent Advances in 3D Printing of Polyhydroxyalkanoates: A Review." EuroBiotech Journal 5, no. 1 (January 1, 2021): 48–55. http://dx.doi.org/10.2478/ebtj-2021-0008.

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Abstract In the 21st century, additive manufacturing technologies have gained in popularity mainly due to benefits such as rapid prototyping, faster small production runs, flexibility and space for innovations, non-complexity of the process and broad affordability. In order to meet diverse requirements that 3D models have to meet, it is necessary to develop new 3D printing technologies as well as processed materials. This review is focused on 3D printing technologies applicable for polyhydroxyalkanoates (PHAs). PHAs are thermoplastics regarded as a green alternative to petrochemical polymers. The 3D printing technologies presented as available for PHAs are selective laser sintering and fused deposition modeling. Stereolithography can also be applied provided that the molecular weight and functional end groups of the PHA are adjusted for photopolymerization. The chemical and physical properties primarily influence the processing of PHAs by 3D printing technologies. The intensive research for the fabrication of 3D objects based on PHA has been applied to fulfil criteria of rapid and customized prototyping mainly in the medical area.

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Mitrić, Stojan. "TECHNOLOGIES AND SOFTWARE IN 3D PRINTING WITH EXAMPLE OF USAGE IN APICULTURE." Zbornik radova Fakulteta tehničkih nauka u Novom Sadu 34, no. 09 (August 30, 2019): 1658–61. http://dx.doi.org/10.24867/04be39mitric.

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Main contribution of this paper is comparison of 3D printing technologies with detailed description of their work processes, usage of technologies in different applications and their advantages and disadvantages. This paper also describes software that are most commonly used in 3D printing world, and example of usage of 3D printing in Apiculture for creating system of rollers for making beeswax foundations.

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Fu, Hao, and Sakdirat Kaewunruen. "State-of-the-Art Review on Additive Manufacturing Technology in Railway Infrastructure Systems." Journal of Composites Science 6, no. 1 (December 27, 2021): 7. http://dx.doi.org/10.3390/jcs6010007.

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Additive manufacturing technologies, well known as three-dimensional printing (3DP) technologies, have been applied in many industrial fields, including aerospace, automobiles, shipbuilding, civil engineering and nuclear power. However, despite the high material utilization and the ability to rapidly construct complex shaped structures of 3D printing technologies, the application of additive manufacturing technologies in railway track infrastructure is still at the exploratory stage. This paper reviews the state-of-the-art research of additive manufacturing technologies related the railway track infrastructure and discusses the challenges and prospects of 3D printing technology in this area. The insights will not only help the development of 3D printing technologies into railway engineering but also enable smarter railway track component design and improve track performance and inspection strategies.

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Tota, Albana, Ermira Shehi, and Aferdita Onuzi. "3D Scanning and 3D Printing Technologies used in Albanian Heritage Preservation." European Journal of Engineering Research and Science 2, no. 12 (December 29, 2017): 39. http://dx.doi.org/10.24018/ejers.2017.2.12.566.

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In cultural heritage study of 3D modeling has become a very useful process to obtain indispensable data for documentation and visualization. 3D scanning and 3D printing suggest a vital solution in preserving and sustaining traditional folk costumes. 3D scanning and 3D digitizing is defined as the process of using metrological methods to ascertain the size and shape of a scanned object, which may often involve an optical device that rotates around the desired scanned model. In digital preservation, especially for three dimensional physical artifacts in various crafts, the geometric shape of an object is most important. The aim of this paper is to show 3D scanning technology that produces a high-precision digital reference document to provide virtual model for replication, and makes possible easy mass distribution of digital data. We also experimented with 3d Additive manufacturing or 3D printing to show a way to actualize digital forms of folk accessories for the experimental manufacturing and to show a way how to preserve nowadays the original object. The work includes scanning, modeling, and printing of waist coat and of coin handicrafts. Experiments will be carried out on 3d scanning, 3d modeling software, reconstruction and fabrication -rapid prototyping.

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Tota, Albana, Ermira Shehi, and Aferdita Onuzi. "3D Scanning and 3D Printing Technologies used in Albanian Heritage Preservation." European Journal of Engineering and Technology Research 2, no. 12 (December 29, 2017): 39–45. http://dx.doi.org/10.24018/ejeng.2017.2.12.566.

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In cultural heritage study of 3D modeling has become a very useful process to obtain indispensable data for documentation and visualization. 3D scanning and 3D printing suggest a vital solution in preserving and sustaining traditional folk costumes. 3D scanning and 3D digitizing is defined as the process of using metrological methods to ascertain the size and shape of a scanned object, which may often involve an optical device that rotates around the desired scanned model. In digital preservation, especially for three dimensional physical artifacts in various crafts, the geometric shape of an object is most important. The aim of this paper is to show 3D scanning technology that produces a high-precision digital reference document to provide virtual model for replication, and makes possible easy mass distribution of digital data. We also experimented with 3d Additive manufacturing or 3D printing to show a way to actualize digital forms of folk accessories for the experimental manufacturing and to show a way how to preserve nowadays the original object. The work includes scanning, modeling, and printing of waist coat and of coin handicrafts. Experiments will be carried out on 3d scanning, 3d modeling software, reconstruction and fabrication -rapid prototyping.

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Cai, Nixin, Ping Sun, and Saihua Jiang. "Rapid prototyping and customizable multifunctional structures: 3D-printing technology promotes the rapid development of TENGs." Journal of Materials Chemistry A 9, no. 30 (2021): 16255–80. http://dx.doi.org/10.1039/d1ta04092h.

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This paper reviews the recent advances in triboelectric nanogenerators based on 3D printing technologies and highlights the crucial roles 3D printing technologies play in promoting the rapid development of TENGs.

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Ho, Chee Meng Benjamin, Sum Huan Ng, King Ho Holden Li, and Yong-Jin Yoon. "3D printed microfluidics for biological applications." Lab on a Chip 15, no. 18 (2015): 3627–37. http://dx.doi.org/10.1039/c5lc00685f.

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In this paper, a review is carried out of how 3D printing helps to improve the fabrication of microfluidic devices, the 3D printing technologies currently used for fabrication and the future of 3D printing in the field of microfluidics.

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Wypysiński, Rafał. "New aspects of 3D printing by robots." Advanced Technologies in Mechanics 3, no. 2(7) (March 3, 2017): 17. http://dx.doi.org/10.17814/atim.2016.2(7).40.

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Additive technologies are common field of industry and daily life. Almost everyone heard about 3D printing and rapid prototyping technologies. Dynamic evolution of methods gives us new possibilities and open new chances. Let’s look on 3D robot printing, its limitation and advantages.

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Sethi, Chitra, and Richard Borge. "Printing Medical Scans." Mechanical Engineering 141, no. 12 (December 1, 2019): 36–37. http://dx.doi.org/10.1115/1.2019-dec6.

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Journal articles on the topic '3D printing technologies'

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