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Journal articles on the topic 'Solids. Engineering models CAD/CAM systems'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Chugunov, Mikhail V., Irina N. Polunina, and Anton M. Pjanzin. "E-Tricycle Vehicle Design Based on Parametric CAD/CAE Models." Engineering Technologies and Systems 30, no. 3 (2020): 464–79. http://dx.doi.org/10.15507/2658-4123.030.202003.464-479.

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Introduction. National Technology Initiatives (STI), designed to develop and implement High-Tech tools into engineering practice and based on the Industry 4.0 concept, require appropriate technical solutions for all phases of the product lifecycle from design to disposal. Implementation of the concept involves the formation of technological groups and markets in different directions in particular one of the emerging markets of STI is Auto.Net. At the same time, the product design stage is basic and should be implemented in a form ensuring the entire life cycle of the product on the principles

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Thilmany, Jean. "Where Does CAM Stand?" Mechanical Engineering 129, no. 01 (2007): 30–32. http://dx.doi.org/10.1115/1.2007-jan-2.

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This article describes various engineering ways to use computers in manufacturing industry. Streamlining computer-aided design (CAD) and computer-aided manufacturing (CAM) handoff has long been the dream of engineering organizations that face handoff issues every day. The company, Protomold Co. Inc., ties CAD directly with CAM, to do away with requiring a human in the loop. It makes plastic injection-molded parts from customers’ CAD models. A Minnesota company has nearly automated its mold making. Software designs the mold automatically and automatically commands milling machines. The article

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You, Chun-Fong, and Shen-Chou Yeh. "Engineering Change Propagation System using STEP." Concurrent Engineering 10, no. 4 (2002): 349–56. http://dx.doi.org/10.1177/a030348.

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Reducing the time for engineering changes can greatly shorten a product's life cycle and improve the productivity of enterprises. This work proposes an approach to engineering change propagation between CAD and product data management (PDM) systems. A system for modeling and triggering changes of models of engineering data, geometries, and features, using STEP AP 214 and AP224, is developed. A change in CAD and PDM systems can propagate along a defined path and trigger a rule by which data of another system are changed. The proposed engineering change propagation (ECP) system provides a flexib

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Bond, Alan H. "A predicate logic approach to CAD/CAM modeling." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 6, no. 1 (1992): 39–58. http://dx.doi.org/10.1017/s0890060400002936.

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An approach to CAD and CAM modeling and to the design of CAD/CAM systems is presented. Models of the product and of the process are represented by logical assertions in a common logical language. CAD/CAM functions are represented by the application of logical inference rules, which correspond to the derivation of new information as well as to actions. This allows all the different kinds of model and specification used in design and manufacturing to be represented in a computer in a common form. It therefore allows the representation of constraints and rules connecting any aspects of design and

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Narabu, Yusuke, Jiang Zhu, Tomohisa Tanaka, and Yoshio Saito. "Automatic Manufacturing Feature Extraction of CAD Models for Machining." Key Engineering Materials 447-448 (September 2010): 287–91. http://dx.doi.org/10.4028/www.scientific.net/kem.447-448.287.

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Currently CAD/CAM systems have become more common in automated manufacturing to enhance accuracy and efficiency. However, machining efficiency and accuracy are mainly relied on the experience of the engineer. Therefore, in this research the main aim is to propose the system which automatically analyzes the characteristics of a CAD model and to extract manufacturing features. The method for analyzing shapes of a CAD model represented by triangle mesh is studied. The system can extract planar, spherical, cylindrical, hole, arc, and other curved regions. This research will improve the integration

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Prado-Velasco, Manuel, and Rafael Ortiz-Marín. "Comparison of Computer Extended Descriptive Geometry (CeDG) with CAD in the Modeling of Sheet Metal Patterns." Symmetry 13, no. 4 (2021): 685. http://dx.doi.org/10.3390/sym13040685.

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The emergence of computer-aided design (CAD) has propelled the evolution of the sheet metal engineering field. Sheet metal design software tools include parameters associated to the part’s forming process during the pattern drawing calculation. Current methods avoid the calculation of a first pattern drawing of the flattened part’s neutral surface, independent of the forming process, leading to several methodological limitations. The study evaluates the reliability of the Computer Extended Descriptive Geometry (CeDG) approach to surpass those limitations. Three study cases that cover a signifi

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McWherter, David, Mitchell Peabody, William C. Regli, and Ali Shokoufandeh. "Solid Model Databases: Techniques and Empirical Results." Journal of Computing and Information Science in Engineering 1, no. 4 (2001): 300–310. http://dx.doi.org/10.1115/1.1430233.

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This paper presents techniques for managing solid models in relational database management systems. Our goal is to enable support for traditional database operations (sorting, distance metrics, range queries, nearest neighbors, etc) on large databases of solid models. We introduce an approach to compare models based on shape using information extracted from the model boundary representation into Model Signature Graphs. We show how the Model Signature Graphs can be used to compute topological distances among models and how to use these measures to create metric spaces for indexing and clusterin

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Yurov, Aleksey, V. Sokol'nikov, and K. Merem'yanin. "ORGANIZATION OF TECHNICAL SPECIFICATIONS AND INFORMATION DATA IN 3D MODELS OF SOFTWARE SYSTEMS." Modeling of systems and processes 13, no. 4 (2021): 83–89. http://dx.doi.org/10.12737/2219-0767-2021-13-4-83-89.

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The article discusses issues related to the introduction of additional engineering information into the digital model of the product. It is known that technical conditions and dimensions are an integral part of any drawing, and the expansion of the possibilities for presenting engineering data as part of a digital model allows you to get rid of drawing documents. Most software systems for enterprises use the specified functionality in models, but the transfer of data (models and technical conditions in them) is difficult between systems. An example is exporting data from NX CAD to Solid Works.

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Alpatov, Vadim. "Building constructions modelling problems in modern cae-systems." E3S Web of Conferences 135 (2019): 03066. http://dx.doi.org/10.1051/e3sconf/201913503066.

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This article is about choosing building structure analysis model question. Construction analysis model type choice affects result of counting. Result accuracy and reliability depends on analysis scheme choice. Using modern computers, there is a lot of alternative abilities of creation construction analysis model. This article is made to understand these analysis models features and their influence on result. An example of counting beam in six independent CAD systems is shown. Engineering simulation and design software, which base on finite elements method, were chosen for analysis. These count

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Zhu, Jiang, Yuichi Takekuma, Tomohisa Tanaka, and Yoshio Saito. "3D Model Registration Based on Feature Extraction." Advanced Materials Research 299-300 (July 2011): 1091–94. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.1091.

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Currently, design and processing of complicated model are enabled by the progress of the CAD/CAM system. In shape measurement, high precision measurement is performed using CMM. In order to evaluate the machined part, the designed model made by CAD system the point cloud data provided by the measurement system are analyzed and compared. Usually, the designed CAD model and measured point cloud data are made in the different coordinate systems, it is necessary to register those models in the same coordinate system for evaluation. In this research, a 3D model registration method based on feature

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Wingård, Lars, Per Carleberg, Torsten Kjellberg, and Gunnar Sohlenius. "Enabling Use of Engineering Terminology in Product Models and User Interfaces of CAD/CAM Systems." CIRP Annals 41, no. 1 (1992): 205–8. http://dx.doi.org/10.1016/s0007-8506(07)61186-x.

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Schmidt, William R., James R. Vander Schaaf, and Richard V. Shields. "Modeling and Transfer of Product Model Digital Data for DDG 51 Class Destroyer Program." Journal of Ship Production 7, no. 04 (1991): 205–19. http://dx.doi.org/10.5957/jsp.1991.7.4.205.

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The significant benefits achieved by the Navy from application of a CAD/CAM modeling technique to the Aegis Destroyer Construction Program are described. Building a computer model of the ship—the Arleigh Burke Class (DDG 51)—prior to construction reduces interferences and improves design accuracy and completeness. Major challenges addressed by the paper are the translation to CAD of an existing paper design and the transfer of three-dimensional CAD product models in order to permit construction of the ship at two different yards. This ongoing project represents a major cooperative effort betwe

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Nnaji, Bartholomew O., and Ashok K. Vishnu. "A generalized shape descriptor from wire frame models on a CAD/CAM system." Journal of Manufacturing Systems 5, no. 4 (1986): 231–41. http://dx.doi.org/10.1016/0278-6125(86)90054-3.

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Baumgartner, Henry. "A STEP to Improved CAD." Mechanical Engineering 120, no. 02 (1998): 84–85. http://dx.doi.org/10.1115/1.1998-feb-5.

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This article highlights that by using a standard that enables complete product model data to be transmitted digitally, a company can build open systems to make information available on many platforms throughout its operations. The world of CAD/CAM has viewed the International Graphics Exchange Standard (IGES) as its translation standard for years, using the system to move two-dimensional models from one program to another. While IGES does, in fact, do a good job of transmitting basic geometry, another translator—the Standard for the Exchange of Product Data (STEP) —has been gaining on IGES in

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Kloetzli, John, and Dan Billingsley. "NIDDESC: Meeting the Data Exchange Challenge Through a Cooperative Effort." Journal of Ship Production 6, no. 02 (1990): 125–37. http://dx.doi.org/10.5957/jsp.1990.6.2.125.

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The application of computer-aided design (CAD) and manufacturing (CAM) techniques in the marine industry has increased significantly in recent years. With more individual designers and shipyards using CAD within their organizations, the pressure to transfer CAD data between organizations has also increased. The Navy/Industry Digital Data Exchange Standards Committee (NIDDESC) provides a mechanism for public and private organizations to cooperate in the development of digital data transfer techniques. Organizationally, NIDDESC is a cost-sharing venture between private firms and government organ

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Britton, G., T. S. Beng, and Y. Wang. "Virtual concurrent product development of plastic injection moulds." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 214, no. 2 (2000): 165–68. http://dx.doi.org/10.1243/0954405001517540.

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This paper describes three approaches for virtual product development of plastic injection moulds. The first is characterized by the use of three-dimensional computer aided design (CAD) for product design, two-dimensional drafting for mould design and three-dimensional computer aided design/manufacture (CAD/CAM) for mould manufacture. The second is characterized by the use of three-dimensional CAD models by all three participants, but between any two participants some form of file conversion is normally required because different CAD systems are used. The first two approaches share one common

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Витязев, Ю. Б., А. Г. Гребеников, А. М. Гуменный, А. М. Ивасенко та А. А. Соболев. "МЕТОД СОЗДАНИЯ МОДЕЛЕЙ САМОЛЕТОВ С ПОМОЩЬЮ СИСТЕМ CAD/CAM/CAE И АДДИТИВНЫХ ТЕХНОЛОГИЙ". Open Information and Computer Integrated Technologies, № 81 (16 листопада 2018): 24–34. http://dx.doi.org/10.32620/oikit.2018.81.03.

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The analysis of the most applicable in mechanical engineering additive technologies (fused deposition modeling, selective laser sintering, laser stereolithography, direct metal laser sintering) have been performed. Method of creating airplane models using CAD/CAM/CAE systems and additive manufacturing is presented. The results of the application of selective laser sintering and fused deposition modeling for the manufacture of training aircraft models are considered.

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Fragomeni, J. M., B. M. Hillberry, T. H. Sanders, and A. G. Gaitatzes. "Integration of Microstructural Development and Properties Design Into the CAD/CAM Environment." Journal of Engineering Materials and Technology 114, no. 1 (1992): 34–40. http://dx.doi.org/10.1115/1.2904137.

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This investigation incorporates the development and control of microstructure and properties into a computer aided design/computer aided manufacturing (CAD/CAM) environment for materials design. An integrated computer model has been developed which predicts the microstructure and properties based on the material processing and the material composition. The material processing includes the extrusion parameters and the aging conditions employed during heat treatment. The material being utilized as a demonstration medium is a special precipitation hardenable aluminum-lithium-zirconium (Al-Li-Zr)

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Al-Aali, Khulud A., Mohammed S. Bin-Shuwaish, Aasem M. Alhenaki, et al. "Influence of milling systems and marginal configurations on the fit of yttrium stabilized tetragonal zirconia polycrystals (Y-TZP)’ copings." Journal of Applied Biomaterials & Functional Materials 18 (January 2020): 228080002092451. http://dx.doi.org/10.1177/2280800020924514.

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Objective: The aim of this study was to evaluate marginal fit of yttrium tetragonal zirconia polycrystals (Y-TZP)’ copings with different finish line designs fabricated with various digital scanners and milling systems. Methods: Three model plastic teeth were prepared with three finish line designs: Design-1, continuous chamfer; Design-2, chamfer with shallow depression; Design-3, chamfer with deep depression. The “master models” were replicated using elastomeric polyvinyl siloxane impression material and poured in type IV stone generating 90 dies, 30 dies for each design. Dies were scanned an

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Muñoz, J. A., and R. Perez-Fernandez. "Adopting Industry 4.0 Technologies in Shipbuilding Through CAD Systems." International Journal of Maritime Engineering 163, A1 (2021): 41–49. http://dx.doi.org/10.5750/ijme.v163ia1.4.

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Technologies are evolving faster than our capability to develop applications that bring us the value we can get from them. The potential is clear and the opportunity will be for those who identify the right application for each technology. One of the foundations of the fourth industrial revolution is the ability to handle huge amounts of data that is everywhere and available to anyone, thanks to the evolution in communication technologies. However, data is not information; it is necessary to have the capability to analyse, then extract conclusions and to learn from both. Technologies, such as

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Goldan, Michael, and Robert J. G. A. Kroon. "As-Built Product Modeling and Reverse Engineering in Shipbuilding Through Combined Digital Photogrammetry and CAD/CAM Technology." Journal of Ship Production 19, no. 02 (2003): 98–104. http://dx.doi.org/10.5957/jsp.2003.19.2.98.

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Ship repair, as a technological "lesser brother" of shipbuilding, still contains major elements of manual labor. In the past years, ship repair and the conversion of ships and offshore structures came to rely increasingly on modern computer-aided design and manufacturing (CAD and CAM) information systems for speedy generation of the required engineering information. An often-encountered problem is the lack of product information in electronic form or in any other form. Such information is needed for engineering of new parts for damaged or converted ships and platforms. In such cases one needs

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Ho, K. H., S. T. Newman, and R. D. Allen. "STEP-NC compliant information modelling for wire electrical discharge machining component manufacture." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 219, no. 10 (2005): 777–84. http://dx.doi.org/10.1243/095440505x32751.

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Over the last five years, a great deal of research effort has been concentrated on the development of a new data model ISO 14649, informally known as STEP-NC. It has been strongly argued that STEP-NC has huge implications on the integration of the computer-aided design/computer-aided process planning/computer-aided manufacture (CAD/CAPP/CAM) (CAx) systems, giving the opportunity to realize interoperable computer numerical control (CNC) manufacturing. This is largely owing to the data model, which provides the capability to revolutionize the current state of the art in CNC manufacturing by offe

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Miura, Kenjiro T., and A. M. M. Sharif Ullah. "Special Issue on Digital Engineering for Complex Shapes." International Journal of Automation Technology 10, no. 2 (2016): 131. http://dx.doi.org/10.20965/ijat.2016.p0131.

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Shape dominantly determines function. The performance of engineering products heavily depends on their shapes. Since CAD technology has advanced enough, we can create digital models of complex shapes. To manufacture products, the goal of digital engineering is not just to generate and visualize the shapes, but also to perform other value adding activities, i.e., scientific analysis, rapid prototyping, finished parts making and simulation. Sometimes the nature of the shape (self-similarity), the origin of the shape (shapes found in living organisms), the appearances of the shape (aesthetic valu

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Molina-Carmona, R., A. Jimeno, and R. Rizo-Aldeguer. "Morphological Offset Computing for Contour Pocketing." Journal of Manufacturing Science and Engineering 129, no. 2 (2006): 400–406. http://dx.doi.org/10.1115/1.2540741.

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Background. Tool path generation problem is one of the most complexes in computer aided manufacturing. Although some efficient algorithms have been developed to solve it, their technological dependency makes them efficient in only a limited number of cases. Method of Approach. Our aim is to propose a model that will set apart the geometrical issues involved in the manufacturing process from the purely technology-dependent physical issues by means of a topological system. This system applies methods and concepts used in mathematical morphology paradigms. Thus, we will obtain a geometrical abstr

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Belov, V. F., S. S. Gavryushin, and A. I. Zankin. "Architecture of a Digital Platform for Research and Design of Innovations in Mechanical and Instrument Engineering." Proceedings of Higher Educational Institutions. Маchine Building, no. 3 (732) (March 2021): 3–15. http://dx.doi.org/10.18698/0536-1044-2021-3-3-15.

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Platform business models for research and design of innovative products have not found widespread use in the national mechanical engineering branch yet. Meanwhile, the manufacturing process organization based on digital twin prototype and competence distribution models is a world trend in the innovative product design and implementation. The applied digital platform implemented at the Innovation Design Center of the Industrial Technopark of the Republic of Mordovia provides requirements engineering, system architecture engineering and test engineering services. These services are carried out w

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Aziz, Ei-Sayed, and C. Chassapis. "Knowledge-based Geometry Generation for Spur and Helical Gears." Concurrent Engineering 10, no. 3 (2002): 251–61. http://dx.doi.org/10.1177/106329302761689160.

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Numerical analysis and true 3-D solid models of gear pairs are highly desirable to simulate real working conditions and reduce long and expensive test phases. This article presents methods, within a knowledge-based Automated Concurrent Engineering Software (ACES) for gear design and manufacturing system, for defining the gear tooth profile analytically from basic geometric parameters (diametral pitch, pressure and helix angles, number of teeth and tooth thickness) and determining the coordinates of all points on the working and the fillet portions of the tooth for standard and nonstandard gear

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Yacob, Filmon, Daniel Semere, and Nabil Anwer. "Variation propagation modeling in multistage machining processes considering form errors and N-2-1 fixture layouts." International Journal of Advanced Manufacturing Technology 116, no. 1-2 (2021): 507–22. http://dx.doi.org/10.1007/s00170-021-07195-z.

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AbstractVariation propagation modeling of multistage machining processes enables variation reduction by making an accurate prediction on the quality of a part. Part quality prediction through variation propagation models, such as stream of variation and Jacobian-Torsor models, often focus on a 3-2-1 fixture layout and do not consider form errors. This paper derives a mathematical model based on dual quaternion for part quality prediction given parts with form errors and fixtures with N-2-1 (N>3) layout. The method uses techniques of Skin Model Shapes and dual quaternions for a virtual assem

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Sugimura, Nobuhiro, Koji Iwamura, and Tomohiko Maeda. "Special Issue on Production Planning and Scheduling." International Journal of Automation Technology 9, no. 3 (2015): 209. http://dx.doi.org/10.20965/ijat.2015.p0209.

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This issue focuses on production planning and scheduling for production system and the related problems that have arisen in these areas in the last half century as digital computer systems developed. These problems relate to production management, production planning, shop floor control, product design and process planning. In the first stage of production planning and scheduling systems R&D, optimization is a key issue that has been widely discussed and many theories and optimization algorithms proposed. Rule-based methods are discussed as potential solutions to these problems. With rapid

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Vasilis, Dimitriou, Vidakis Nectarios, and Antoniadis Aristomenis. "Advanced Computer Aided Design Simulation of Gear Hobbing by Means of Three-Dimensional Kinematics Modeling." Journal of Manufacturing Science and Engineering 129, no. 5 (2006): 911–18. http://dx.doi.org/10.1115/1.2738947.

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Gear hobbing, as any cutting process based on the rolling principle, is a signally multiparametric and complicated gear fabrication method. Although a variety of simulating methods has been proposed, each of them somehow reduces the actual three-dimensional (3D) process to planar models, primarily for simplification reasons. The paper describes an effective and factual simulation of gear hobbing, based on virtual kinematics of solid models representing the cutting tool and the work gear. The selected approach, in contrast to former modeling efforts, is primitively realistic, since the produced

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Kolegain, Komlan, François Leonard, Sandra Chevret, Amarilys Ben Attar, and Gabriel Abba. "Off-line path programming for three-dimensional robotic friction stir welding based on Bézier curves." Industrial Robot: An International Journal 45, no. 5 (2018): 669–78. http://dx.doi.org/10.1108/ir-03-2018-0038.

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Purpose Robotic friction stir welding (RFSW) is an innovative process which enables solid-state welding of aluminum parts using robots. A major drawback of this process is that the robot joints undergo elastic deformation during the welding, because of the high forces induced by the process. This leads to tool deviation and incorrect orientation. There is currently no computer-aided manufacturing/computer-aided design (CAD) software for generating off-line paths which integrates robot deflections, and the main purpose of this study is to propose an off-line methodology to plan a path for RFSW

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Rudas, Imre J. "Intelligent Engineering Systems." Journal of Advanced Computational Intelligence and Intelligent Informatics 4, no. 4 (2000): 237–39. http://dx.doi.org/10.20965/jaciii.2000.p0237.

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The "information revolution" of our time affects our entire generation. While a vision of the "Information Society," with its financial, legal, business, privacy, and other aspects has emerged in the past few years, the "traditional scene" of information technology, that is, industrial automation, maintained its significance as a field of unceasing development. Since the old-fashioned concept of "Hard Automation" applicable only to industrial processes of fixed, repetitive nature and manufacturing large batches of the same product1)was thrust to the background by keen market competition, the k

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Kirkwood, Robert, and James A. Sherwood. "Sustained CAD/CAE Application Integration: Supporting Simplified Models." Journal of Computing and Information Science in Engineering 21, no. 1 (2020). http://dx.doi.org/10.1115/1.4047536.

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Abstract Computer-aided design/computer-aided manufacturing/computer-aided engineering (CAD/CAM/CAE) integration offers designers, analysts, and manufacturers the opportunity to share the data throughout the product development process. Finite element (FE) meshing applications integrated with the solid model data from CAD systems represent a major subset of CAD/CAM/CAE integration. In an earlier paper, it was demonstrated that virtual persistent identifiers (VPIs) can be used to assure or repair sustained integration with successive versions of neutral-format solid models. From that article, s

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Ismail, Napsiah, and Nooh Abu Bakar. "Boundary Representation-Based Feature Recognition." Jurnal Teknologi, May 11, 1997, 65–74. http://dx.doi.org/10.11113/jt.v26.1016.

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This paper introduces an ongoing research which is aimed at the development of an intelligent form feature extraction system from Computer Aided Design (CAD) database, a high level data structure form useful for Computer Aided Manufacturing (CAM) such as Automated Process Planning System (APPS). Part description in CAD models is the form of basic geometry and topology that is unsuitable for direct application in APPS. Furthermore, CAD software does not incorporate sufficient manufacturing specific data to be used in APPS. Therefore, feature recognition systems will provide the capabilities for

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Zhu, Weihang. "A Methodology for Building Up an Infrastructure of Haptically Enhanced Computer-Aided Design Systems." Journal of Computing and Information Science in Engineering 8, no. 4 (2008). http://dx.doi.org/10.1115/1.2988340.

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This paper presents an infrastructure that integrates a haptic interface into a mainstream computer-aided design (CAD) system. A haptic interface, by providing force feedback in human-computer interaction, can improve the working efficiency of CAD/computer-aided manufacturing (CAM) systems in a unique way. The full potential of the haptic technology is best realized when it is integrated effectively into the product development environment and process. For large manufacturing companies this means integration into a commercial CAD system (Stewart, et al., 1997, “Direct Integration of Haptic Use

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"A generalized shape descriptor from wire frame models on a CAD/CAM System." Journal of Manufacturing Systems 12, no. 1 (1993): 61–62. http://dx.doi.org/10.1016/0278-6125(93)90118-d.

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Lysenko, Mikola, Roshan D’Souza, and Keyvan Rahmani. "Real-Time Machinability Analysis of Free Form Surfaces on the GPU." Journal of Computing and Information Science in Engineering 9, no. 2 (2009). http://dx.doi.org/10.1115/1.3130771.

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In this paper a new hardware accelerated method is presented to evaluate the machinability of free-form surfaces. This method works on tessellated models that are commonly used by computer aided design (CAD) systems to render three-dimensional shaded images of solid models. Modern graphics processing units (GPUs) can be programed in hardware to accelerate specialized rendering techniques. In this research, we have developed new algorithms that utilize the programmability of GPUs to evaluate the machinability of free-form surfaces. The method runs in real-time on fairly inexpensive hardware (&l

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Urick, Benjamin, Richard H. Crawford, Thomas J. R. Hughes, Elaine Cohen, and Richard F. Riesenfeld. "Reconstruction of Trimmed NURBS Surfaces for Gap-Free Intersections." Journal of Computing and Information Science in Engineering 20, no. 5 (2020). http://dx.doi.org/10.1115/1.4047427.

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Abstract The modern engineering technologies of computer-aided design (CAD), computer-aided engineering (CAE), and computer-aided manufacturing (CAM) are ubiquitous in engineering practice. They are focused on creating, analyzing, and fabricating engineering artifacts represented as geometric models. Historically, these technologies developed independently, with different geometric representations that are customized to the needs of the technology. As a result, the combined use of these technologies has led to differences in data structures, file formats, and user knowledge and practice, requi

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Collins, James S., Tommy Tucker, and Thomas Kurfess. "Intensity-Based Registration With Voxel-Based Computer-Aided Manufacturing for Adaptive Machining." Journal of Manufacturing Science and Engineering 141, no. 11 (2019). http://dx.doi.org/10.1115/1.4044709.

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Abstract This paper presents a novel application of intensity-based volume registration to manufacturing using voxel-based computer-aided manufacturing (CAM) models. The introduced techniques are presented in the context of machining irregularly shaped materials by integrating volumetric imaging feedback to computer numerical control (CNC) machine tools. This requires a comparison and alignment to be performed in the software to geometrically “fit” the source design model inside a rendered starting material. The requirements differ from many typical registration applications in that the workpi

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Chugunov, Mikhail V., Irina N. Polunina, and Mikhail A. Popkov. "The Quadcopter Design Based on Integrated Model Environment." Engineering Technologies and Systems, June 28, 2019, 169–86. http://dx.doi.org/10.15507/2658-4123.029.201902.169-186.

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Introduction. The deals with the multi/interdisciplinary approach to designing the unmanned aerial vehicle (quadcopter) based on the use of the integrated model environment. The designing process is implemented as creating different types of models: natural (physics) and virtual. Materials and Methods. The virtual model is understood to be a set of mathematical, algorithmic, program and 3D models maintaining its functioning in virtual environment. The design decision represents a set of the design-technology documentation including the integrated model of the designed project, whose components

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Mustafa, Irfan, and Tsz-Ho Kwok. "Development of Intertwined Infills to Improve Multi-Material Interfacial Bond Strength." Journal of Manufacturing Science and Engineering 144, no. 3 (2021). http://dx.doi.org/10.1115/1.4051884.

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Abstract Recently, the availability of various materials and ongoing research in developing advanced systems for multi-material additive manufacturing (MMAM) have opened doors for innovation in functional products. One major concern of MMAM is the strength at the interface between materials. This article hypothesizes overlapping and interlacing materials to enhance the bonding strength. To test this hypothesis, we need a computer-aided manufacturing (CAM) tool that can process the overlapped material regions. However, existing computational tools lack key multi-material design processing featu

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