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international conference on Emerging eLearning Technologies and Applications (ICETA)

作者： O. Zhuykova P. Božek E. Sosnovich E. Akhmedzianov Faculty of Mathematics and Natural Sciences Kalashnikov Izhevsk State Technical University Izhevsk Russia Faculty of Materials Science and Technology Slovak University of Technology in Bratislava Institute of Production Technologies Trnava Slovakia

ISBN: (数字)9781728149677

ISBN: (纸本)9781728149684

Over the last few years, additive technologies have been actively adopted in many areas of modern life. This paper discusses how necessary it is for students to develop their innovative thinking and what the role of additive technologies in this process is. The research was focused on the applicability of additive technologies in teaching the students of mechanical engineering, architectural and civil engineering training programs the disciplines "descriptive Geometry" and "Engineering Graphics" in Kalashnikov Izhevsk State Technical University. The article also demonstrates the samples from the model archive of the "Engineering Graphics and Advertising Technology" department designed with FdM technology of 3d printing which improves visualization of the subject being taught and students' spatial thinking. The computer-aided design systems such as K0MPAS-3d and SolidWorks were used to develop three-dimensional models. A student survey showed that the knowledge and skills used in prototyping sessions are necessary for the successful mastery of the disciplines "descriptive Geometry" and "Engineering Graphics".

关键词： Solid modeling additives Graphics Three-dimensional displays manufacturing Geometry Buildings

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Potential new application for VLPPS process as an additive manufacturing device

Potential new application for VLPPS process as an additive m...

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international Thermal Spray conference and Exposition (ITSC)

作者： darut, Geoffrey Niederhauser, Aymeric Jaccoud, Bertrand Sigrist, Martin Mock, Elmar Planche, Marie Pierre Liao, Hanlin Montavon, Ghislain UBFC ICB PMDM LERMPS UMR6303 F-90010 Belfort France CREAHOLIC SA Rue Cent 115 POB CH-2500 Biel 7 Switzerland

ISBN: (纸本)9781627081603

additive manufacturing offers the ability to produce complex parts or shapes by layer based printing method using 3d modeling software equipment. Among the different technologies, 3d Printing and Rapid prototyping are well established. However, thermal spraying makes a contribution towards this field as Cold Spray for repairing metal components. VLPPS and PS-PVd are both thermal spray processes using plasma technology in a very low-pressure controlled atmosphere. These conditions allow to obtain different precursor states: molten and/or vapor. As a result, the microstructure of the coating is unique in the community (lower scale elements, pore architecture) and the properties are improved. Furthermore, vapor phase of metal can react with some gases to generate oxides or nitrides. Another opportunity presented in this study is the ability of this vapor phase to fill mold. The objective is to demonstrate that VLPPS process can be employed as an additive manufacturing device to create well-defined objects.

关键词： 3d printers

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Recent developments in additive manufacturing of Gears: A Review 16

Recent Developments in Additive Manufacturing of Gears: A Re...

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16th international conference on manufacturing Research (ICMR) / 33rd National conference on manufacturing Research (NCMR)

作者： Gupta, Kapil Univ Johannesburg Dept Mech & Ind Engn Technol Johannesburg South Africa

ISBN: (纸本)9781614999027;9781614999010

additive Layer manufacturing (ALM) is an advanced technology to produce quality gears of metals and plastics. Some significant benefits such as capability to handle complex gear shapes and design, and produce near net-shaped gears;resource efficiency;and rapid product development etc. make this process a sustainable alternate to the other processes of gear manufacturing. This paper sheds light on the development of some of the important additive layer manufacturing processes such as Stereolithography, Fused deposition modeling, and 3d Printing to manufacture gears. The article aims to facilitate researchers and encourages them to do further research and development for improved gear quality, process productivity, and sustainability.

关键词： additive manufacturing Gear Miniaturization Near net shape Rapid prototyping

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Print-On Strategies to Bond Injection Molded Parts with Structures Produced by Fused-deposition-modeling

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Proceedings of the design Society: international conference on Engineering design 2019年第1期1卷 819-828页

作者： Alina Richter david Kessing Fabian Fischer Lukas Pelzer Klaus dilger Volkswagen AG Group Research Institute for Machine Elements and Systems Engineering RWTH Aachen University Institute of Plastics Processing RWTH Aachen University Institute of Joining and Welding Technology Technical University Braunschweig

The biggest advantage of additive manufacturing is the individualization of products. Mass Customization is well known as a promising future application. The use of additive manufacturing for assembly groups is mostly not reasonable, however combining it with conventional manufacturing processes can lead to new *** paper works out concepts to join, by using similar material combinations, an injection molded part with an additive deposited geometry by the Fused-deposition-modeling (FdM) process. Therefore, two of the main industrially used polymers, acrylonitrile butadiene styrene (ABS) and polypropylene (PP), are selected for further study. In particular, this investigation focuses on the procedural potentials and surface preparation of the injection molded part. By the variation of adhesive bonding, the fusion of similar materials can be identified and tested in several series of *** in general a direct joining function by the FLM process will be tested. After proving this hypothesis, the results will be summarised in a recommendation of joining similar materials, which are manufactured in different ways.

关键词： 3d printing additive manufacturing Process modelling

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Technologies for additive manufacturing of Electrical Machines

Technologies for Additive Manufacturing of Electrical Machin...

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Annual Siberian Russian Workshop on Electron devices and Materials (EdM)

作者： Hans Tiismus Ants Kallaste Toomas Vaimann Anton Rassõlkin Anouar Belahcen Tallinn University of Technology Tallinn Estonia Aalto University Espoo Finland

additive manufacturing (AM) technology is considered an essential component of the Industry 4.0 revolution, due to its capability for decentralized production of highly customizable complex objects. Its design and fabrication freedom also suggest for the production capacity of goods with embedded electromechanical components and even electrical machines with enhanced performance. Currently, due to the maturity of homo-material and limited multi-material capabilities of current AM systems, prototyping of 3d printed electrical machines has taken the path of manual assembly of printed components. For fully printed end-user products containing integrated electromechanical components to emerge, evolution of the multi-material printing systems is required. This paper discusses the technical demands of additively manufacturing electrical machines and current promising technologies on the horizon to bring us one step closer to mass produced fully 3d printed electrical machines.

关键词： Metals Three-dimensional printing Fabrication Industries Magnetic cores

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Rapid Production of Customised Electronic systems via Multifunctional additive manufacturing Technology 3

Rapid Production of Customised Electronic Systems via Multif...

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3rd IEEE international conference on Integrated Circuits and Microsystems (ICICM)

作者： Li, Ji Wang, Yang He, Jiangling Liu, Handa Xiang, Gengzhao Southeast Univ Key Lab MEMS Minist Educ Nanjing Jiangsu Peoples R China

ISBN: (纸本)9781538683118

Multifunctional additive manufacturing technologies can facilitate the rapid development and direct production of full-functional electronic devices by coupling the capabilities of additive manufacturing processes with other types of manufacturing techniques. In addition, these methods present evident advantages for improving the development speed and complexity of mass customized electronic products. In this work, we propose a multifunctional additive manufacturing solution that integrates dual-material fused deposition modeling 3d printing and selective electroless plating. Nickel alloy film can be selectively plated on 3d printed free-form plastic structures. With four-point probe investigation, EdS anlysis and SEM imaging, it was identified that the resistivity of plated film can be regulated by controlling the electroless plating parameters including reaction temperature and pH value. A minimal resistivity of nickel alloy film was approximate 8.4 x 10(-5) Omega . cm, when the electroless plating was conducted at 50 degrees C and pH 8.5. A 555 timer circuit with blinking LEd was fabricated in both 2d and 3d manner as a demonstrator to prove the feasibility of this technology in practical industry applications.

关键词： customised electronics packaging 3d printing additive manufacturing electroless plating

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Influence of Control Parameters on Consumer FdM 3d Printing 25

Influence of Control Parameters on Consumer FDM 3D Printing

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25th ISPE Inc international conference on Transdisciplinary Engineering

作者： Cappetti, Nicola Naddeo, Alessandro Salerno, Giuseppe Univ Salerno Dept Ind Engn Fisciano Italy

ISBN: (纸本)9781614998983;9781614998976

Rapid prototyping (RP) is a set of technologies that permits building a physical model directly from its design by implementing a single automatic process using a 3d model of the object to be printed. RP systems can be based on different additive manufacturing (AM) technologies, such as a Fused deposition modeling (FdM) machine that works by extruding and melting together fused plastic filaments, drawing the boundaries and filling the model thin layer by thin layer. Low-cost FdM 3d printers do not work well automatically but require of a calibration phase because the best configuration settings in the slicing software are unknown, and the number of parameters values that needs to be manually defined is very large. The scientific literature reports many interesting articles on this topic, describing how the process can be improved by choosing the correct values of various parameters. Internet websites such RepRap. org discuss 3d printers and ppost detailed FAQ sections where users described improvements in 3d printing with simple methods but with great effort in terms of costs and time. Yet not all questions are answered. This paper would introduces: a) a new method for the analysis of the slicing software parameters that can be done with easy models;b) a second method for improving the effects of the parameters that shows a higher influence in the signal-to-noise ratio analysis.

关键词： NIST Artifact FdM Rapid prototyping RepRap digital Fabrication

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Image Mining for Real Time Quality Assurance in Rapid prototyping

Image Mining for Real Time Quality Assurance in Rapid Protot...

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IEEE international conference on Big data

作者： Sebastian Trinks Carsten Felden TU Bergakademie Freiberg Institute of Management Information Systems Freiberg Germany

ISBN: (数字)9781728108582

ISBN: (纸本)9781728108599

The development of new products could be a powerful engine for the success of an organization. In order to efficiently design prototypes using additive manufacturing techniques, it is advisable to perform Quality Assurance in real time. This can result in saving resources and increasing efficiency. However, it is important that configurations within the printable file and the calibration of 3d printer are without errors. A potential solution to avoid errors and low-quality prototypes is the use of Image Mining for a Real Time Quality Assurance of the printed prototype. As part of this paper, we developed such an Image Mining application using a design science research approach. Thereby, a supervised machine learning approach is considered to assign a quality class to the prototype in production. As a result, we identified the contribution Image Mining can make to Quality Assurance and the relationship between the accuracy of classification and the latency.

关键词： data mining Real-time systems Quality assurance Production Rapid prototyping Three-dimensional displays

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dESIGN FOR additive manufacturing OF CELLULAR COMPLIANT MECHANISM USING THERMAL HISTORY FEEdBACK

DESIGN FOR ADDITIVE MANUFACTURING OF CELLULAR COMPLIANT MECH...

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38th American-Society-of-Mechanical-Engineers (ASME) Computers and Information in Engineering (CIE) conference in conjunction with the international design Engineering Technical Conferes (IdETC)

作者： Khurana, Jivtesh Hanks, Bradley Frecker, Mary Penn State Univ University Pk PA 16802 USA

ISBN: (纸本)9780791851753

With growing interest in metal additive manufacturing, one area of interest for design for additive manufacturing is the ability to understand how part geometry combined with the manufacturing process will affect part performance. In addition, many researchers are pursuing design for additive manufacturing with the goal of generating designs for stiff and lightweight applications as opposed to tailored compliance. A compliant mechanism has unique advantages over traditional mechanisms but previously, complex 3d compliant mechanisms have been limited by manufacturability. Recent advances in additive manufacturing enable fabrication of more complex and 3d metal compliant mechanisms, an area of research that is relatively unexplored. In this paper, a design for additive manufacturing workflow is proposed that incorporates feedback to a designer on both the structural performance and manufacturability. Specifically, a cellular contact-aided compliant mechanism for energy absorption is used as a test problem. Insights gained from finite element simulations of the energy absorbed as well as the thermal history from an AM build simulation are used to further refine the design. Using the proposed workflow, several trends on the performance and manufacturability of the test problem are determined and used to redesign the compliant unit cell. When compared to a preliminary unit cell design, a redesigned unit cell showed decreased energy absorption capacity of only 7.8% while decreasing thermal distortion by 20%. The workflow presented provides a systematic approach to inform a designer about methods to redesign an AM part.

关键词： design Feedback additive manufacturing Compliant mechanisms

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Extending SCIPRR: Two Sensor Case-Studies 13

Extending SCIPRR: Two Sensor Case-Studies

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13th Annual ACM/IEEE international conference on Human-Robot Interaction (HRI)

作者： Avasarala, Pranav Harrison, Anthony M. US Naval Res Lab Washington DC 20375 USA

ISBN: (纸本)9781450356152

The Sensing, Computing, Interactive Platform for Research Robotics (SCIPRR), is a humanoid, head-shaped sensor package designed to balance both sensing and interaction needs within HRI. designed to maximize reconfigurability and modularity, SCIPRR can accommodate most sensors and computers with little effort. We report the process of adapting SCIPRR for audio and point-cloud sensors through the use of 3d modeling and printing

关键词： human-robot interaction additive manufacturing prototyping humanoid

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