Relevant bibliographies by topics / CAD/CAM systems. Manufacturing processes

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'CAD/CAM systems. Manufacturing processes'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "CAD/CAM systems. Manufacturing processes"

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Zaborski, Andrzej. "Manufacturing preparation using CAD and CAD/CAM software." Mechanik 91, no. 7 (July 9, 2018): 567–69. http://dx.doi.org/10.17814/mechanik.2018.7.86.

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A possibility of using contemporary CAD and CAD/CAM systems for computer-integrated developing the processes of preparation products manufacturing is presented. On the example of the modernization of the lock lever of the head of the sewing machine in article discussed design process and production preparation using numerically controlled machines.
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Corney, J., C. Hayes, V. Sundararajan, and P. Wright. "The CAD/CAM Interface: A 25-Year Retrospective." Journal of Computing and Information Science in Engineering 5, no. 3 (July 19, 2005): 188–97. http://dx.doi.org/10.1115/1.2033009.

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The vision of fully automated manufacturing processes was conceived when computers were first used to control industrial equipment. But realizing this goal has not been easy; the difficulties of generating manufacturing information directly from computer aided design (CAD) data continued to challenge researchers for over 25 years. Although the extraction of coordinate geometry has always been straightforward, identifying the semantic structures (i.e., features) needed for reasoning about a component’s function and manufacturability has proved much more difficult. Consequently the programming of computer controlled manufacturing processes such as milling, cutting, turning and even the various lamination systems (e.g., SLA, SLS) has remained largely computer aided rather than entirely automated. This paper summarizes generic difficulties inherent in the development of feature based CAD/CAM (computer aided manufacturing) interfaces and presents two alternative perspectives on developments in manufacturing integration research that have occurred over the last 25 years. The first perspective presents developments in terms of technology drivers including progress in computational algorithms, enhanced design environments and faster computers. The second perspective describes challenges that arise in specific manufacturing applications including multiaxis machining, laminates, and sheet metal parts. The paper concludes by identifying possible directions for future research in this area.
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Carrabine, Laura. "Merging CAD with IT." Mechanical Engineering 120, no. 07 (July 1, 1998): 56–58. http://dx.doi.org/10.1115/1.1998-jul-1.

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This article highlights the various processes involved in shipbuilding such as design, production planning, material sourcing, and outfitting. Since the program’s inception, Newport News Shipbuilding (NNS), has leveraged its computer-aided- design, -manufacturing, and –engineering (CAD/CAM/CAE) system and IT infrastructure to successfully revitalize its engineering environment and remain profitable in a rapidly changing marketplace. NNS engineers perform all of their ship product modeling using a proprietary program called VIVID, a design system that enables users to concurrently design structures in a multidisciplinary environment. As part of the continuing effort to develop its IT infrastructure and automate production processes, NNS has invested $60 million in upgrading its engineering design systems and automating manufacturing facilities with advanced material-handling systems, robotic cutting work cells, and robotic welding work cells. NNS is also transitioning its product-modeling systems from a Unix workstation environment to Windows NT platforms based on Microsoft’s ActiveX and COM technologies.
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Tagowski, Michał, and Andrzej Zaborski. "Computer aided preparation of technological equipment manufacturing using CAD/CAM systems." Mechanik 90, no. 7 (July 10, 2017): 578–80. http://dx.doi.org/10.17814/mechanik.2017.7.78.

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Article presents the possibility of using modern CAD/CAM systems for computer-integrated development processes of design, construction and manufacture of technological equipment used in quality control process. In the presented case CNC machines were used. Described the example of manufacturing preparation of fixturing system for CMM, using NX system.
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Kamble, Suresh, Ajit Jankar, Pratiksha Somwanshi, Shirish Pawar, and Vidya Vaybase. "REJUVENATING EDENTULISM USING CAD-CAM TECHNOLOGY: A COMPREHENSIVE REVIEW." International Journal of Advanced Research 8, no. 9 (September 30, 2020): 1233–43. http://dx.doi.org/10.21474/ijar01/11780.

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Edentulism has been a severe public health problem in industrialized countries due to aging and poor oral care. Design and fabrication of the complete dentures are mainly using conventional methods involving an enormous series of clinical and laboratory procedures. Edentulous patients have to make several visits to the clinic for the traditional fabrication of denture. Now the unceasing developments occur over several years. Present-day technological innovations allow the use of various systems with computer‑aided design/computer‑aided manufacture (CAD/CAM) technology to produce complete dentures has seen exponential growth. There are different manufacturing techniques of CAD-CAM complete denture like AvaDent, Wieland digital denture, Baltic denture, DENTC system. CAD-CAM technology requires only two appointments for the patient to get their complete removable denture. A reduction in clinical chair time also shortens the cost of care. The improved fit of the denture was because of fewer processing errors. It simplifies the re-manufacturing of lost/broken prostheses due to the digital storage of denture data. The pre-polymerized acrylic resin used by manufacturers for the fabrication of a denture base delivers excellent fit and strength when compared to conventionally processed bases. It doesnt show any polymerization shrinkage as there is a less residual monomer. Hence, it reduces the potential infections as fewer candida albicans attach to the denture bases. The motive of this article is to highlights the benefits of CAD-CAM technology over conventional denture fabrication.
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Milano, Joel, Ben Kassel, and Douglas Mauk. "Development of a Welding Protocol for Automated Shipyard Manufacturing Systems." Journal of Ship Production 13, no. 01 (February 1, 1997): 48–56. http://dx.doi.org/10.5957/jsp.1997.13.1.48.

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Robotic manufacturing systems have provided improvements in productivity and quality in the automotive and semiconductor industries. Shipbuilding, however, is a one-of-a-kind manufacturing process and as such embodies a completely different set of problems than the mass production environment. The planning for robotics applications in shipbuilding must be done for each unique component and, therefore, must be done efficiently to achieve the benefits of automation. This will require a close relationship between computer-aided design (CAD), computer-aided manufacturing (CAM), computer-integrated manufacturing (CIM), and the manufacturing systems used on the waterfront. One of the major efforts to be performed is the integration of these processes through the timely presentation of information. One of the tools that can be used to integrate these processes is the Standard for the Exchange of Product Model Data (STEP). This paper will identify the relevant components of a STEP applications protocol (AP) for welding which can be applied to shipbuilding and outline the efforts required to bring it into existence.
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Ben-Izhack, Gil, Asaf Shely, Omer Koton, Avi Meirowitz, Shifra Levartovsky, and Eran Dolev. "(In-Vitro Comparison between Closed Versus Open CAD/CAM Systems) Comparison between Closed and Open CAD/CAM Systems by Evaluating the Marginal Fit of Zirconia-Reinforced Lithium Silicate Ceramic Crowns." Applied Sciences 11, no. 10 (May 16, 2021): 4534. http://dx.doi.org/10.3390/app11104534.

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Background: This study compared the marginal gap (MG) and absolute marginal discrepancy (AMD) of computer-aided design and computer-aided manufacturing (CAD–CAM) used in open systems (OSs) and closed systems (CSs) for producing monolithic zirconia-reinforced lithium silicate (ZLS) ceramic crowns. Methods: 60 ZLS ceramic crowns were cemented to abutment acrylic teeth; thirty crowns were designed and milled by an OS, and thirty by a CS. All crowns were sectioned for evaluating the marginal gap by scanning electronic microscopy (SEM). To compare the marginal gap between CS and OS techniques, data were analyzed using the independent-samples Mann–Whitney U Test (α = 0.05). Results: AMD was found to be significantly better for the closed system (p < 0.05). Mean AMD values for the CS were 148 µm, and for the OS it was 196 µm. MG was found to be significantly better for the OS (p < 0.05). Mean MG values for the CS were 55 µm, and for the OS they were 38 µm. Conclusions: The marginal gap in relation to AMD was significantly better for CS. However, the marginal gap in relation to MG was significantly better for OS. Both techniques showed clinically acceptable MG values (<120 µm).
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Scholz-Reiter, Bernd, Matthias Kleiner, and Günter Spur. "Integrated Simulation of Manufacturing Processes in CAD Systems – ideas and Concepts." CIRP Annals 45, no. 1 (1996): 157–60. http://dx.doi.org/10.1016/s0007-8506(07)63037-6.

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Mohole, A., P. Wright, and C. Séquin. "WebCAD: A computer aided design tool constrained with explicit ‘design for manufacturability’ rules for computer numerical control milling." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 216, no. 6 (June 1, 2002): 879–89. http://dx.doi.org/10.1243/095440502320193003.

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A key element in the overall efficiency of a manufacturing enterprise is the compatibility between the features that have been created in a newly designed part, and the capabilities of the downstream manufacturing processes. With this in mind, a process-aware computer aided design (CAD) system called WebCAD has been developed. The system restricts the freedom of the designer in such a way that the designed parts can be manufactured on a three-axis computer numerical control milling machine. This paper discusses the vision of WebCAD and explains the rationale for its development in comparison with commercial CAD/CAM (computer aided design/manufacture) systems. The paper then goes on to describe the implementation issues that enforce the manufacturability rules. Finally, certain design tools are described that aid a user during the design process. Some examples are given of the parts designed and manufactured with WebCAD.
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Allen, Dell K., and W. Van Twelves. "CAD in the CIM Environment: Where Do We Go From Here?" Applied Mechanics Reviews 39, no. 9 (September 1, 1986): 1345–49. http://dx.doi.org/10.1115/1.3149524.

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The importance of computer-aided design (CAD) has not been fully appreciated as it relates to computer integrated manufacturing (CIM). The CAD product definition model can provide essential information for many down-stream production, estimating, tooling, and quality assurance functions in the CIM environment. However, the product definition model may be inaccurate or incomplete, thus causing incomplete communication with possible scrap, re-work, and missed production deadlines. Other problems are related to the fact that many of our expert designers are retiring and taking their expertise with them. Merely being able to make 2D or 3D drawings on a CAD workstation does not make its operator a designer. A knowledge of production processes, tolerances, surface finish, and material selection is needed to supplement a designers knowledge of user needs, product functional requirements, operating conditions, cost, quality, and reliability targets. One of the most promising methods for providing timely and accurate information to the designer on an “as-needed” basis is through the use of expert design systems. Such systems promise to bridge the knowledge gap between CAD and CAM and help to incorporate these functions into the overall CIM environment.
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Dissertations / Theses on the topic "CAD/CAM systems. Manufacturing processes"

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Owen, John J. IIII. "Economic evaluation and justification of industrial automation." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/24539.

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Karim, Mohammed R. "An IDEFO representation of a garment manufacturing system design process." Ohio : Ohio University, 1994. http://www.ohiolink.edu/etd/view.cgi?ohiou1178127341.

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Yang, Yihong. "Integrated quality control planning in computer-aided manufacturing planning." Worcester, Mass. : Worcester Polytechnic Institute, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-041607-164054/.

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Thesis (Ph. D.)--Worcester Polytechnic Institute.
Keywords: In-process inspection; tolerance assignment; tolerance stack-up analysis; quality control planning. Includes bibliographical references (leaves 136-148).
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Cournoyer, Richard John. "The Application of Parametric Software into the Undergraduate Computer-Aided Manufacturing Environment." Digital WPI, 1999. https://digitalcommons.wpi.edu/etd-theses/1078.

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"This thesis presents an in depth study of Pro/Engineer's manufacturing module and its application into the Computer-Aided Manufacturing (CAM) undergraduate education environment. Mechanical Engineering has a lot to gain by incorporating computers into the undergraduate curriculum in comparison to only the traditional classroom surroundings. Today, complex problems can be solved in mere seconds thanks to the power and speed of current computers. Likewise within today's manufacturing sector, numerical controlled (NC) machines are no longer programmed manually. In today's globally competitive manufacturing environment, integrated systems such as CAD/CAM help reduce the ever-shrinking time to market. This thesis contains the background as well as the curriculum material necessary to teach undergraduate students CAM using Pro/Engineer's manufacturing module. The curriculum material starts with the tutorials to teach and reinforce Pro/Engineer basic sketcher skills, which are necessary background information. Followed with in-depth click tutorials to teach the manufacturing module for 2 axes turning, and 3 axes hole drilling and milling. It also includes the necessary lab manuals that reinforce the class lecture material, an electronic manufacturing exam, and the students' evaluations from 2 terms when the CAM course (ME3820) was offered."
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Yao, Suqin. "Computer-Aided Manufacturing Planning (CAMP)of Mass Customization for Non-rotational Part Production." Link to electronic dissertation, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-1216103-153523/.

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Dissertation (Ph.D.) -- Worcester Polytechnic Institute.
Keywords: Computer aided manufacturing planning; Object-oriented systems analysis (OSA); Feature; manufacturing resource capability; setup planning; multi-part fixture Includes bibliographical references (p.146-154).
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Holzmann, Henrique Ajuz. "Uso do software CAM em auxílio a estimativa de custos de fabricação na fase inicial do desenvolvimento de produtos poliméricos injetados." Universidade Tecnológica Federal do Paraná, 2014. http://repositorio.utfpr.edu.br/jspui/handle/1/927.

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Capes
No contexto atual do setor industrial onde a competitividade é cada vez maior, reduzir as incertezas presentes durante o desenvolvimento de novos produtos se torna essencial. Para isso podem ser utilizados os modelos de referência do PDP (Processo de Desenvolvimento do Produto), os quais visam uma melhoria de projeto, facilitando seu desenvolvimento e reduzindo as incertezas. Alguns segmentos industriais exigem grandes investimentos iniciais para a produção do produto, podendo-se destacar o de injeção polimérica. Neste processo há uma aquisição inicial do molde de injeção, o qual é responsável por grande parcela dos custos finais do produto, sendo este indispensável à realização da etapa. Visto isso, a utilização de ferramentas que propiciem uma redução de incertezas torna-se de grande valia. Uma destas ferramentas é o software CAM, que rotineiramente é utilizado nas fases do projeto detalhado e preparação da produção. Utilizá-lo de maneira não tradicional, em auxílio a estimativa de custos, já nas fases iniciais do PDP pode trazer algumas vantagens ao desenvolvimento do projeto. Com isso busca-se identificar a contribuição do software CAM como ferramenta de auxílio na estimativa de custos para tomada de decisão na fase inicial do processo de desenvolvimento de produtos poliméricos injetados. Para a realização do trabalho, buscou-se avaliar as fases iniciais dos modelos de referência do PDP a fim de identificar as atividades dadas como essenciais ao processo. Com a identificação das fases, foram correlacionadas quais funcionalidades do software CAM auxiliam na realização das atividades na fase inicial do PDP. Com isso propôs-se uma metodologia para estimar os custos de fabricação do molde de injeção para a fase inicial do PDP. Realizou-se então um estudo de caso, variando-se o design do produto, no qual buscou-se identificar a contribuição do software CAM na estimativa dos custos de fabricação. Após a realização do estudo de caso, percebe-se que a ferramenta CAM pode auxiliar na fase inicial do projeto, pois a mesma favorece a seleção do design do produto a ser fabricado, visto que pode-se através do software CAM estimar os tempos e as ferramentas de usinagem necessárias à fabricação do molde de injeção. Nota-se ainda que esta ferramenta favorece a definição do portfólio de produtos através da estimativa dos custos para fabricação do molde.
In the current context of the industrial sector where competitiveness is increasing, reducing the uncertainties present during the development of new products becomes essential. For this reference model of the PDP, which aim to improve the design, facilitating their development and reducing uncertainty can be used. Some industries require large initial investment for the production of the product and may highlight the polymer injection. In this process, there is an initial purchase of injection mold, which is responsible for a large portion of the final cost of the product, which is essential to carry out the step. Seen that the use of tools that may reduce the uncertainties become very valuable. One of these tools is the CAM software, which is routinely used in the stages of detailed design and production preparation. Use it for non-traditional way, aid in the cost estimate, since in the early stages of the PDP can bring some advantages to the project development. Thus, we seek to identify the contribution of CAM software tool to aid in estimating costs for decision-making early in the development process injected polymer products. To conduct the study sought to evaluate the early stages of the reference models of the PDP in order to identify activities as essential given the process. With the identification of the phases of CAM, software features, which assist in performing the activities in the initial phase of the PDP, were correlated. With this proposed a methodology for estimating the costs of manufacturing injection mold for the initial phase of the PDP. Then performed a case study, varying the design of the product, in which we attempted to identify the contribution of CAM software in estimates of manufacturing costs. After the completion of the case study, it can be seen that the CAM tool can assist in the initial design stage, because it favors the selection of the design of the product being manufactured, as it can be through the CAM software to estimate the times and machining tools needed to manufacture the injection mold. Note also that this tool favors the definition of the product portfolio by estimating costs for mold manufacturing.
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Mercer, Tim. "CAD/CAM selection for small manufacturing companies." Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000mercert.pdf.

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Cheung, Ching Chi. "Semi-automated process planning and cost estimation of turned components based on CATIA V5 Machining." Thesis, Jönköping University, JTH, Mechanical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1304.

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To be more competitive in the market, many companies are trying to speed up the quotation process and quote more attractive prices. Therefore, they have identified a need for support in the quotation process in order to reduce the quotation lead-time and ensure a higher level of accuracy in the cost estimations. The Quotation Calculator, an application program, has been developed as part of the degree thesis which was carried out at AB Norrahammars Mekaniska Verkstad, NMW 2006/07. This Quotation Calculator can be operated to calculate the material and manufacturing costs of a new product.

NMW has recently acquired licenses for CATIA V5, Dassault Systems, for the purpose of making process planning and NC-programming more efficient. NMW wants to generate the data needed from the machining module for the cost calculations. Hence this project was initiated in order to extract data from CATIA V5 for further use in Quotation Calculator or other computer system in NMW.

This work has resulted in a system developed with a common hosted programming language to extract and transfer information. The system retrieves model geometry from CAD and information on process planning from CAM, then matches the information in the application for the purpose of cost estimation. The system once developed, is supposed to be used for every new product. For this approach, the relationship of the data from CATIA V5 and the Quotation Calculator has been analyzed.

Within this thesis, the focus is on production cost estimation. The method used here is programming in Visual Basic Editor to extract information from the machining module in CATIA V5 and then import them to Microsoft Excel. With standard operations, tables of data and several inputs, the cost calculation and hence the quotation process can be automatically implemented. This work has been generated with the Quotation Calculator. With the correct input data to process planning and this new quotation system, the machining time and the costs can be estimated more accurately and easier. The time and cost information is made available for decision making. As a result, the lead time for the quotation process will be shortened and a relatively more attractive price can be quoted to the customers.

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Deal, Julia L. "Assessment of classical database models for representing solids /." Online version of thesis, 1987. http://hdl.handle.net/1850/8804.

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Ghatpande, Puja Sudhakar. "Study of fixturing accessibilities in computer-aided fixture design." Worcester, Mass. : Worcester Polytechnic Institute, 2008. http://www.wpi.edu/Pubs/ETD/Available/etd-080808-195905/.

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Books on the topic "CAD/CAM systems. Manufacturing processes"

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Rosen, D. W. (David W.) and Stucker B. (Brent), eds. Additive manufacturing technologies: Rapid prototyping to direct digital manufacturing. London: Springer, 2010.

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Tu, Juliana S. Part geometry data in the AMRF. Gaithersburg, MD: U.S. Dept. of Commerce, National Bureau of Standards, 1987.

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International Conference on CAD/CAM, Robotics, and Factories of the Future (5th 1990 Norfolk, Va.). CAD/CAM, robotics, and factories of the future '90: Flexible automation : 5th International Conference on CAD/CAM, Robotics, and Factories of the Future (CARS and FOF'90) proceedings. Edited by Dwivedi Suren N, Verma Alok K, Sneckenberger John E, and International Society for Productivity Enhancement. Berlin: Springer, 1991.

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N, Dwivedi Suren, Verma Alok K, Sneckenberger John E, and International Society for Productivity Enhancement., eds. CAD/CAM, robotics, and factories of the future '90: 5th International Conference on CAD/CAM, Robotics, and Factories of the Future (CARS and FOF'90) proceedings. Berlin: Springer-Verlag, 1991.

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O'Grady, P. J. Controlling automated manufacturing systems. New York, NY: Chapman and Hall, 1986.

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Controlling automated manufacturing systems. London: K. Page, 1986.

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NSF Design and Manufacturing Systems Conference (1990 Tampa, Ariz.). NSF Design and Manufacturing Systems Grantees Conference: Supplement to the proceedings. [Tempe, Ariz: The Foundation], 1990.

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International Symposium on Advanced Manufacturing Processes, Systems and Technologies (1996 University of Bradford). Advanced manufacturing processes, systems, and technologies: AMPST 96. London: Mechanical Engineering Publications, 1996.

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T, Pham D., Eldukhri E. E, and Soroka A. J, eds. Intelligent production machines and systems: 2nd I*PROMS Virtual Conference, 3-14 July 2006. Amsterdam: Elsevier, 2006.

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1948-, Wysk Richard A., and Wang Hsu-Pin 1954-, eds. Computer-aided manufacturing. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1998.

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Book chapters on the topic "CAD/CAM systems. Manufacturing processes"

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Dodok, Tomáš, Nadežda Čuboňová, Miroslav Císar, and Vitalii Ivanov. "Automatic Generation of the Machining Processes for Turned Components in CAD/CAM System." In Advances in Manufacturing Engineering and Materials II, 404–10. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71956-2_34.

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Reintjes, Christian, Jonas Reuter, Michael Hartisch, Ulf Lorenz, and Bernd Engel. "Towards CAD-Based Mathematical Optimization for Additive Manufacturing – Designing Forming Tools for Tool-Bound Bending." In Lecture Notes in Mechanical Engineering, 12–22. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77256-7_2.

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AbstractThe trend towards flexible, agile, and resource-efficient production systems requires a continuous development of processes as well as of tools in the area of forming technology. To create load-adjusted and weight-optimized tool structures, we present an overview of a new algorithm-driven design optimization workflow based on mixed-integer linear programming. Loads and boundary conditions for the mathematical optimization are taken from numerical simulations. They are transformed into time-independent point loads generating physical uncertainty in the parameters of the optimization model. CAD-based mathematical optimization is used for topology optimization and geometry generation of the truss-like structure. Finite element simulations are performed to validate the structural strength and to optimize the shape of lattice nodes to reduce mechanical stress peaks. Our algorithm-driven design optimization workflow takes full advantage of the geometrical freedom of additive manufacturing by considering geometry-based manufacturing constraints. Depending on the additive manufacturing process, we use lower and upper bounds on the diameter of the members of a truss and the associated yield strengths. An additively manufactured flexible blank holder demonstrates the algorithm-driven topology design optimization.
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Lombard-Gregory, Muriel, and Frédérique Mayer. "System-based concurrent methodology for Discrete Part Manufacturing Engineering." In Advanced CAD/CAM Systems, 3–16. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-0-387-34834-6_1.

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Li, Z. G., N. F. Choong, K. H. See Toh, H. T. Loh, and A. Y. C. Nee. "CAD/CAM for sheet metal forming and related processes." In Advanced Manufacturing, 7–94. London: Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0547-3_2.

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Grabowski, H., and R. Anderl. "CAD-Systems and Their Interface with CAM." In Computer-Aided Design and Manufacturing, 1–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82748-8_1.

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Paidy, Sudhakar. "Realtime Simulation of Manufacturing Systems." In CAD/CAM Robotics and Factories of the Future, 102–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52320-5_17.

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West, Tom M., and Sabah U. Randhawa. "Multicriteria Evaluation of Manufacturing Systems." In CAD/CAM Robotics and Factories of the Future, 271–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52320-5_45.

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Haywood, Bill, and John Bessant. "CAD/CAM Integration: Flexible Manufacturing Systems in the U.K." In Social Science Research on CAD/CAM, 205–18. Heidelberg: Physica-Verlag HD, 1988. http://dx.doi.org/10.1007/978-3-642-52380-9_23.

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Kopp, R., and G. H. Arfmann. "Integration of Numerical Modelling and CAD/CAM Systems." In Numerical Modelling of Material Deformation Processes, 420–36. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1745-2_17.

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Parsaei, H. R., W. Karwowski, and M. R. Wilhelm. "A Justification Method for Advanced Manufacturing Systems." In CAD/CAM Robotics and Factories of the Future, 276–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52320-5_46.

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Conference papers on the topic "CAD/CAM systems. Manufacturing processes"

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Ziarati, R. "Integrating CAD/CAM." In ASME 1991 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/edm1991-0192.

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Abstract Many progressive companies have adopted Computer Integrated Manufacturing (CIM) strategy by interfacing drawing and design (CAD), manufacturing (CAM), production planning and Control (PPC, MRPII), inspection and customer services as well as business and management processes. This paper concentrates on aspects of integrating CAD with CAM and offers an example of how CAD information can be transformed into CAM data for given manufacturing operations. The paper pays special references to the basis of many CAD and CAM systems and offers an integrated system which uses a single data base to produce the manufacturing files required enabling the costing based on materials used and manufacturing processes required as well as inspection processes and marketing requirements to be carried out.
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Molcho, Gila, Ronit Schneor, Yaron Zipori, Pawel Kowalsi, Berend Denkena, and Moshe Shpitalni. "Computer Aided Manufacturability Analysis Closing the CAD-CAM Knowledge Gap." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59280.

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Due to rising demands in efficiency of design and manufacturing of industrial products, collaboration and exchange between designers and process planners is a permanent challenge. In an industrial survey carried out as part of this research, all participants emphasized the lack of collaboration and cooperation between designers and process planners. Although evolving CAD, CAM, CAPP and PLM tools provide the backbone for such cooperation and collaboration, additional structured supporting tools and processes are still required. This paper presents a holistic approach and supporting software tools for closing the knowledge gap and capitalizing on available manufacturability knowledge. Two complementary tools have been developed and implemented to ensure the efficiency and effectiveness of product and process design. The first is CAMA (Computer Aided Manufacturability Analysis), a system for capturing available “know how” and providing designers easy and effective insight regarding the manufacturability of their design. The system has been designed to facilitate upstream manufacturability validation and identification of areas of a design that are difficult, expensive or impossible to machine. The second tool is a process plan evaluator expert system tool capable of evaluating alternative process plans. The insight enabled by the evaluation is then also fed back to the designer and to CAMA, thus further initiating organizational learning.
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Leu, Ming C., and Parthiban Delli. "Digital Manufacturing of Implant Based Dental Restorations." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59242.

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Traditional methods of producing dental bars for overdentures involve tedious and time-consuming operations that demand substantial human labor and demanding skills. Though there exist several CAD/CAM systems that have been developed for various dental restorations like bridges, crowns, etc., there exists no commercial CAD/CAM system at present for design and fabrication of dental restorations for missing multiple teeth. In the research described in the present paper, CAD models of dental bars for implant-retained dental restorations were used as input for three types of fabrication processes: rapid prototyping followed by investment casting, CNC milling, and direct digital manufacturing. Details of material and process combinations and results of comparing these three types of processes, including an analysis on dimensional accuracy, are discussed.
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Maurer, Maik, Dennis Janitza, and Alexander Ott. "Product- and CAD-Structure Planning Processes for Mass Customization Products." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58337.

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Mass Customization (MC) is one approach to deal with the continuous increasing demand for individualized products. It’s major objective is to offer products with delivery times and prices comparable to mass produced goods. Hereby assigned possibilities are not only limited to the customization of appearance but affect a multitude of customer requirements, e.g. functions, technical attributes, or structural arrangements. Two major steps in designing customizable products are the product structure planning and the designing of CAD-models. The work presented in this paper specifies the mutual interdependencies as well as the data, which has to be exchanged in this alternating process. For an iteratively optimized planning of customizable products, knowledge will be extracted from parametric design for a further adaptation in the product spectrum structure. Using appropriate algorithms, the need for structure modifications will be derived, with the objective of eliminating critical interdependencies from the basic structure. The alternating data exchange between parametric product modeling and abstract structure planning helps to integrate bi-directional requirements (e.g. new techniques in manufacturing) or boundary conditions appearing at different design phases.
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Rauch, Matthieu, and Jean-Yves Hascoet. "A Manufacturing System for Advanced Multi-Process Manufacturing Based on Step-NC." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82443.

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Companies have to propose flexibility and interoperability in addition to robustness and efficiency to meet today demand of high customized products. The rise of high level object-oriented data models such as ISO 14649 — know as STEP-NC — enables manufacturing engineers to meet these requirements. In parallel, new manufacturing processes are now available. Theses processes, such as incremental sheet forming or cladding, are mature enough to be used in the industry. In addition to that, they are CNC controlled. They can be totally integrated into manufacturing data chains. It is consequently possible to use several processes on the same part and develop multi-process manufacturing approaches. Their success lies mainly upon the ability to select the best process with the best parameterization. The use of intelligent manufacturing systems is of great help to achieve this goal. The objective of this paper is to propose an intelligent manufacturing environment for multi-process manufacturing. Simulation and optimization approaches, advanced CNC programming methods are implemented in a coordinate way. Current CAD/CAM/CNC data chains limitations are overtaken by using STEP-NC. Finally, a practical implementation of such system is introduced. This experimental platform enables multi-process manufacturing with the industrial manufacturing equipment of the laboratory.
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Sormaz, Dusan N., Narender Neerukonda, and Vikesh Jain. "Distributed Integration of Knowledge-Based Process Planning With CAM Software." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57737.

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Seamless integration of manufacturing planning activities, though being imperative for application of advanced technologies, is still not completely developed. Integration between design and manufacturing systems is usually done within tightly implemented suite of CAD/CAM applications. However, there is a need to integrate these applications into a wider framework in which manufacturing knowledge is incorporated into planning tasks, and tasks may be executed in distributed environment. This paper proposes such a framework. The methodology is based on integration of CAM software with rule-based process planning on several levels. The basis for this approach is existence of feature based CAD model that is usually designed in CAD package. The process-planning task can be performed in two modes: traditional mode and distributed mode. In traditional mode, tightly integrated CAM package is used to create necessary tool paths and detailed specification for particular geometry from the design. They are exported into a CAPP package for cost optimization and sequencing for the final NC program. Distributed mode allows utilization of rule base for creation of manufacturing operations. Results are imported into CAM package for tool path generation and NC code post processing. CAD/CAM package exports its feature into rule-based process planning system. For each feature, rules are fired in order to select the most appropriate machining operation, tool, and cutting parameters. Process sequencing can also be performed. In both modes, integration may be carried out between different computers using TCP/IP protocol to enable distributed processing of different tasks. The current results in implementing the prototype, which supports proposed methodology and few test cases of both operating modes, are also described.
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Gaines, Daniel M., Fernando Castaño, and Caroline C. Hayes. "Reconfigurable Feature Recognition for an Adaptable, Maintainable CAD/CAPP Integration." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/dfm-1287.

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Abstract This paper presents MEDIATOR, a feature recognition system which is designed to be maintainable and extensible to families of related manufacturing processes. A problem in many feature recognition systems is that they are difficult to maintain. One of the reasons may be because they depend on use of a library of feature-types which are difficult to update when the manufacturing processes change due to changes in the manufacturing equipment. The approach taken by MEDIATOR is based on the idea that the properties of the manufacturing equipment are what enable manufacturable shapes to be produced in a part. MEDIATOR’S method for identifying features uses a description of the manufacturing equipment to simultaneously identify manufacturable volumes (i.e. features) and methods for manufacturing those volumes. Maintenance of the system is simplified because only the description of the equipment needs to be updated in order to update the features identified by the system.
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Lin, Chang-Pin, and Hsin-Yuan Chuang. "Adaptive Process Control and Optimization in Intelligent Manufacturing Systems." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/cie-14619.

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Abstract Modern manufacturing systems have incorporated various “intelligent” decision support techniques and algorithms in the form of rules-based systems which have been promoted extensively because of the recent development in fuzzy inference, artificial neural network, machine learning and optimization algorithms, and etc. The basic elements of a modern manufacturing system include design automation (CAD and CAPP), production automation (CAM and MRP II), and shop floor automation (SFC and FMS), which must then be integrated into a coherent system through information automation (distributed DBMS and workflow automation) to form a fully automated factory. Therefore, considerable amount of rule-based systems have been developed and implemented fully or partially into each of the above areas of automation. To build a robust rule-based system requires a suitable modeling and analysis tool and a systematic design methodology. By incorporating neural network concept and associated learning algorithm, we present in this paper a Petri net based modeling methodology which can be used to design and implement adaptive rule-based systems for control and optimization in intelligent manufacturing systems. Demonstration is done on parametric design and optimization in manufacturing processes.
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Trainer, Asa, Thomas Hedberg, Allison Barnard Feeney, Kevin Fischer, and Phil Rosche. "Gaps Analysis of Integrating Product Design, Manufacturing, and Quality Data in the Supply Chain Using Model-Based Defintion." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8792.

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Advances in information technology triggered a digital revolution that holds promise of reduced costs, improved productivity, and higher quality. To ride this wave of innovation, manufacturing enterprises are changing how product definitions are communicated — from paper to models. To achieve industry’s vision of the Model-Based Enterprise (MBE), the MBE strategy must include model-based data interoperability from design to manufacturing and quality in the supply chain. The Model-Based Definition (MBD) is created by the original equipment manufacturer (OEM) using Computer-Aided Design (CAD) tools. This information is then shared with the supplier so that they can manufacture and inspect the physical parts. Today, suppliers predominantly use Computer-Aided Manufacturing (CAM) and Coordinate Measuring Machine (CMM) models for these tasks. Traditionally, the OEM has provided design data to the supplier in the form of two-dimensional (2D) drawings, but may also include a three-dimensional (3D)-shape-geometry model, often in a standards-based format such as ISO 10303-203:2011 (STEP AP203). The supplier then creates the respective CAM and CMM models and machine programs to produce and inspect the parts. In the MBE vision for model-based data exchange, the CAD model must include product-and-manufacturing information (PMI) in addition to the shape geometry. Today’s CAD tools can generate models with embedded PMI. And, with the emergence of STEP AP242, a standards-based model with embedded PMI can now be shared downstream. The on-going research detailed in this paper seeks to investigate three concepts. First, that the ability to utilize a STEP AP242 model with embedded PMI for CAD-to-CAM and CAD-to-CMM data exchange is possible and valuable to the overall goal of a more efficient process. Second, the research identifies gaps in tools, standards, and processes that inhibit industry’s ability to cost-effectively achieve model-based-data interoperability in the pursuit of the MBE vision. Finally, it also seeks to explore the interaction between CAD and CMM processes and determine if the concept of feedback from CAM and CMM back to CAD is feasible. The main goal of our study is to test the hypothesis that model-based-data interoperability from CAD-to-CAM and CAD-to-CMM is feasible through standards-based integration. This paper presents several barriers to model-based-data interoperability. Overall, the project team demonstrated the exchange of product definition data between CAD, CAM, and CMM systems using standards-based methods. While gaps in standards coverage were identified, the gaps should not stop industry’s progress toward MBE. The results of our study provide evidence in support of an open-standards method to model-based-data interoperability, which would provide maximum value and impact to industry.
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Zhu, Weihang. "Haptic Guided Rigid Body Dynamics Study for Virtual Assembly in Mainstream CAD Systems." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41513.

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This paper presents our exploration in Haptic-guided Dynamics Simulation in a mainstream Computer-aided Design (CAD) System. Haptic interface, by providing force feedback in human-computer interaction, can improve the working efficiency of CAD/CAM (Computer-aided Design and Manufacturing) 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 1997]. Built on our past foundation work on an infrastructure of haptically enhanced CAD system [Zhu 2006], this research continues to explore the algorithms for dynamics simulation guided with haptic interface. This is fundamental to other tasks such as Virtual Assembly and Digital Mock-up. The research follows a modular haptic rendering algorithm for stable and transparent 6-DOF manipulation as presented in [Otaduy 2006], with improvements by leveraging the built-in CAD system functions and third party Dynamics Engines. The native CAD models are converted to triangulated meshes which are used in object-object collision detection and dynamics response computation. The major contribution of this paper is that we have developed a feasible methodology for haptic-guided dynamic interactions among CAD models inside mainstream CAD systems. It lays the foundation for future tasks such as direct CAD model modification and virtual assembly with the aid of haptic interface.
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Reports on the topic "CAD/CAM systems. Manufacturing processes"

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Muto, Kazuo. Trend of 3D CAD/CAE/CAM/CAT/Network Systems and PLM System in Advance Technology for Manufacturing Engineering Development. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0137.

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