Relevant bibliographies by topics / CAD assembly

Contents

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

Academic literature on the topic 'CAD assembly'

Author: Grafiati
Published: 7 June 2025
Last updated: 16 July 2025

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Journal articles on the topic "CAD assembly"

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Han, Zhoupeng, Rong Mo, Haicheng Yang, and Li Hao. "Structure-function correlations analysis and functional semantic annotation of mechanical CAD assembly model." Assembly Automation 39, no. 4 (2019): 636–47. http://dx.doi.org/10.1108/aa-09-2017-109.

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PurposeThree-dimensional computer-aided design (CAD) assembly model has become important resource for design reuse in enterprises, which implicates plenty of design intent, assembly intent, design experience knowledge and functional structures. To acquire quickly CAD assembly models associated with specific functions by using product function requirement information in the product conceptual design phase for model reuse, this paper aims to find an approach for structure-function correlations analysis and functional semantic annotation of mechanical CAD assembly model before functional semantic-based assembly retrieval.Design/methodology/approachAn approach for structure-function correlations analysis and functional semantic annotation of CAD assembly model is proposed. First, the product knowledge model is constructed based on ontology including design knowledge and function knowledge. Then, CAD assembly model is represented by part attributed adjacency graph and partitioned into multiple functional regions. Assembly region and flow-activity region are defined for structure-function correlations analysis of CAD assembly model. Meanwhile, the extraction process of assembly region and flow-activity region is given in detail. Furthermore, structure-function correlations analysis and functional semantic annotation are achieved by considering comprehensively assembly structure and assembled part shape structure in CAD assembly model. After that, a structure-function relation model is established based on polychromatic sets for expressing explicitly and formally relationships between functional structures, assembled parts and functional semantics.FindingsThe correlation between structure and function is analyzed effectively, and functional semantics corresponding to structures in CAD assembly model are labeled. Additionally, the relationships between functional structures, assembled parts and functional semantics can be described explicitly and formally.Practical implicationsThe approach can be used to help designers accomplish functional semantic annotation of CAD assembly models in model repository, which provides support for functional semantic-based CAD assembly retrieval in the product conceptual design phase. These assembly models can be reused for product structure design and assembly process design.Originality/valueThe paper proposes a novel approach for structure-function correlations analysis and functional semantic annotation of mechanical CAD assembly model. Functional structures in assembly model are extracted and analyzed from the point of view of assembly structure and function part structure. Furthermore, the correlation relation between structures, assembled parts and functional semantics is expressed explicitly and formally based on polychromatic sets.
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WANG, Xiaoyi, Quanxian WANG, Yoshio SAITO, Jiang ZHU, and Tomohisa TANAKA. "A4 Reorganizable Assembly Model and Its Reorganizing Approach for Assembly Planning(Digital design and digital manufacturing(CAD/CAM))." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2009.5 (2009): 21–26. http://dx.doi.org/10.1299/jsmelem.2009.5.21.

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Bi, Lie, Wenrong Wu, Juan Zhang, and Honggang Yang. "An assembly method for micro parts jointing with given space angle based on projection matching." Modern Physics Letters B 31, no. 05 (2017): 1750041. http://dx.doi.org/10.1142/s0217984917500415.

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It is difficult to assemble micro parts jointing with given space angle as the parts assembled are not on the same flat and the visual depth of microscopic vision is small, which can cause the images gathered by the microscopic vision unintelligible and feature extraction difficult. For the problem, this paper presents an assembly method of micro parts based on projection matching. It can assemble micro parts jointing with given space angle accurately. Firstly, an ideal assembly model is established as the size of the micro parts through the drawing software. Secondly, a graphics algorithm based on the primitive information from CAD is designed. Thirdly, according to the pixel value calibration and the graphics algorithm, the projection pictures are shown on the control interface. Lastly, the control method of micro parts is proposed to assemble them with given space angle. And we accomplished an assembly experiment of micro-tube and micro-column in this way, whose assembly deviation is 0.12[Formula: see text]. Experiment results indicate that the angle between two micro parts assembled can be controlled within the given deviation.
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Ben Hadj, Riadh, Moez Trigui, and Nizar Aifaoui. "Toward an integrated CAD assembly sequence planning solution." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 229, no. 16 (2014): 2987–3001. http://dx.doi.org/10.1177/0954406214564412.

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Assembly sequence planning has drawn the attention of many researchers over the last years. Despite, the great development of CAD software in many aspects (simulation algorithms, interfaces, and ergonomics), automatic generation of assembly sequence planning from CAD assembly remains an issue to improve especially with the increasing complexity of industrial products. In this paper, an approach of assembly sequence planning generation from a CAD assembly model is presented. In order to generate feasible assembly sequence planning, the developed approach begins with the exploration of CAD assembly. Then, a collision analysis is performed to identify all possible obstacles during the components’ motion. An example of CAD assembly is presented in all sections of this paper in order to demonstrate the efficiency of the proposed approach.
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Govindarajan, Rajgopal, Souvik Chakraborty, Kristen E. Johnson, et al. "Assembly of Connexin43 into Gap Junctions Is Regulated Differentially by E-Cadherin and N-Cadherin in Rat Liver Epithelial Cells." Molecular Biology of the Cell 21, no. 23 (2010): 4089–107. http://dx.doi.org/10.1091/mbc.e10-05-0403.

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Cadherins have been thought to facilitate the assembly of connexins (Cxs) into gap junctions (GJs) by enhancing cell–cell contact, however the molecular mechanisms involved in this process have remained unexplored. We examined the assembly of GJs composed of Cx43 in isogenic clones derived from immortalized and nontransformed rat liver epithelial cells that expressed either epithelial cadherin (E-Cad), which curbs the malignant behavior of tumor cells, or neuronal cadherin (N-Cad), which augments the invasive and motile behavior of tumor cells. We found that N-cad expression attenuated the assembly of Cx43 into GJs, whereas E-Cad expression facilitated the assembly. The expression of N-Cad inhibited GJ assembly by causing endocytosis of Cx43 via a nonclathrin-dependent pathway. Knock down of N-Cad by ShRNA restored GJ assembly. When both cadherins were simultaneously expressed in the same cell type, GJ assembly and disassembly occurred concurrently. Our findings demonstrate that E-Cad and N-Cad have opposite effects on the assembly of Cx43 into GJs in rat liver epithelial cells. These findings imply that GJ assembly and disassembly are the down-stream targets of the signaling initiated by E-Cad and N-Cad, respectively, and may provide one possible explanation for the disparate role played by these cadherins in regulating cell motility and invasion during tumor progression and invasion.
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Han, Zhoupeng, Chenkai Tian, Zihan Zhou, and Qilong Yuan. "Discovery of key function module in complex mechanical 3D CAD assembly model for design reuse." Assembly Automation 42, no. 1 (2021): 54–66. http://dx.doi.org/10.1108/aa-06-2021-0073.

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Purpose Complex mechanical 3D computer-aided design (CAD) model embodies rich implicit design knowledge. Through discovering the key function parts and key function module in 3D CAD assembly model in advance, it can promote the designers’ understanding and reuse efficiency of 3D assembly model in design reuse. Design/methodology/approach An approach for discovering key function module in complex mechanical 3D CAD assembly model is proposed. First, assembly network for 3D CAD assembly model is constructed, where the topology structure characteristics of 3D assembly model are analyzed based on complex network centrality. The degree centrality, closeness centrality, betweenness centrality and mutual information of node are used to evaluate the importance of the parts in 3D assembly model. Then, a multi-attribute decision model for part-node importance is established, and the comprehensive evaluation for key function parts in 3D assembly model is accomplished by combining Analytic Hierarchy Process and Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS). Subsequently, a community discovery of function module in assembly model-based Clauset–Newman–Moore (CNM)-Centrality is given in details. Finally, 3D CAD assembly model of worm gear reducer is taken as an example to verify the effectiveness and feasibility of proposed method. Findings The key function part in CAD assembly model is evaluated comprehensively considering assembly topology more objectively. In addition, the key function module containing key function part is discovered from CAD assembly model by using CNM-Centrality-based community discovery. Practical implications The approach can be used for discovering important design knowledge from complex CAD assembly model when reusing the assembly model. It can help designers capture and understand the design thinking and intent, improve the reuse efficiency and quality. Originality/value The paper first proposes an approach for discovering key function module in complex mechanical 3D CAD assembly model taking advantage of complex network theory, where the key function part is evaluated using node centrality and TOPSIS, and the key function module is identified based on community discovery.
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ALFADHLANI, T. M. A. ARI SAMADHI, ANAS MA'RUF, and ISA SETIASYAH TOHA. "AUTOMATIC COLLISION DETECTION FOR ASSEMBLY SEQUENCE PLANNING USING A THREE-DIMENSIONAL SOLID MODEL." Journal of Advanced Manufacturing Systems 10, no. 02 (2011): 277–91. http://dx.doi.org/10.1142/s021968671100220x.

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Assembly sequence planning of a product involves several steps, including generation of precedence constraints, generation of assembly sequences, and selection of assembly sequences. Generation and selection of assembly sequences should be able to guarantee the feasibility of assembly. Assembly will be feasible if there is no collision between components when assembled. Detection of collision-free path of assembly can be done in an automated way. There are a number of collision detection methods that have been developed, but the method requires a complicated process of data geometry analysis. This paper proposes a method for detecting a collision-free path of the assembly component in a more simple way. Geometrical data required, taken from the three-dimensional (3D) solid drawing in the form of stacked drawing in computer-aided design (CAD) systems. Retrieval of geometrical data of components and detection of the collision-free path of an assembly were done in an automated way, directly from the CAD system.
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Jayaram, Uma, YoungJun Kim, Sankar Jayaram, Venkata K. Jandhyala, and Tatsuki Mitsui. "Reorganizing CAD Assembly Models (as-Designed) for Manufacturing Simulations and Planning (as-Built)." Journal of Computing and Information Science in Engineering 4, no. 2 (2004): 98–108. http://dx.doi.org/10.1115/1.1737772.

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A CAD assembly model is a collection of components, comprised recursively of various levels of individual parts and sub-assembly models. Although the overall geometry in the CAD assembly model accurately represents the final finished product, this model is often meaningless from a manufacturing planning and simulation point of view. The grouping of the components into sub-assemblies and the assembly sequence implied by the CAD model does not accurately represent the manufacturing/assembly sequence or process. Reordering, regrouping, and modifying existing sub-assemblies, or creating new sub-assemblies in the CAD model may be needed to ensure this correspondence for simulation or assembly planning tools that derive the manufacturing sequence directly from the CAD system. Although this task can be performed using the existing functionality of the CAD system, it quickly becomes unwieldy for large industry-grade models due to the assembly constraints and relationships in place during the model creation. In industry today, there are several digital mockup and assembly planning tools that greatly outstrip the ability of CAD systems in loading complete models and creating assembly plans. Methods to organize the CAD model assembly quickly and easily for use in these systems, and to record the “as manufactured” assembly in the CAD data format are needed to close the loop and ease the transfer, storage, and maintenance of model data between the CAD systems, PDM systems, and these new age planning and mockup systems. In this paper, a new hybrid method is proposed to provide this functionality. Of key significance is the fact that using this approach, polygonal representations of any new or modified sub-assemblies designated in the reorganized hierarchy can be produced and that the original constraints used in the original assembly are transformed in a consistent manner to the new components. In addition, corresponding property files for the new components can be created for use in the assembly planning tool. In order to validate this hybrid approach, the time required to rearrange the assembly hierarchy and output the required information using both methods are compared–1) the traditional method using the CAD system alone, and 2) the new hybrid system. A statistical analysis using three treatment factors indicates that if the number of components is more than 15, then it is far more efficient to use the hybrid method over the CAD system by itself. This hybrid method implementation has now been used very successfully in virtual assembly simulations of many industry models, some with several hundred components, provided by various industry partners.
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GU, P., and X. YAN. "CAD-directed automatic assembly sequence planning." International Journal of Production Research 33, no. 11 (1995): 3069–100. http://dx.doi.org/10.1080/00207549508904862.

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Wang, Q. H., J. R. Li, and H. Q. Gong. "A CAD-linked virtual assembly environment." International Journal of Production Research 44, no. 3 (2006): 467–86. http://dx.doi.org/10.1080/00207540500319294.

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Dissertations / Theses on the topic "CAD assembly"

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Tate, Susan J. "Symmetry and shape analysis for assembly-oriented CAD." Thesis, Cranfield University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323831.

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Sinha, Prabhat K. (Prabhat Kumar) 1979. "Automated CAD assembly and its applications in DOME." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/89898.

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Liteplo, William P. (William Paul) 1976. "Virtual assembly models in distributed heterogeneous CAD environments." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89328.

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Yan, Yan, and 甄昕. "Automatic draft angles addition for moulded parts in an assembly." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29368960.

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Yu, Kristie 1976. "Development of heterogeneous CAD assembly tools for collaborative design." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/89900.

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Mei, Hong. "Knowledge-based expert support in an assembly-oriented CAD environment." Thesis, University of Hull, 2000. http://hydra.hull.ac.uk/resources/hull:13130.

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Assembly-oriented design offers great potential for product rationalisation, increasing productivity and reducing lead time and cost. It results in simpler and more reliable products which are less expensive to assemble and manufacture. To facilitate assembly-oriented design, an assembly-oriented CAD environment is needed to incorporate Design for Assembly (DFA) evaluation from an early design stage. Assembly planning should also be integrated to support the DFA evaluation. This thesis reports the results of research towards supporting such an assembly-oriented CAD environment. A novel approach has been used to deploy an Expert Assembler to support proactive DFA evaluation and assembly sequence definition. This is particularly useful, as designers are rarely if ever assembly experts. Based on the fact that there are several areas needing expert support in this assembly-oriented CAD environment, but that different areas have very different requirements and different knowledge is involved, the Expert Assembler deployed contains several separated modules. Each module is an expert agent devised to tackle a problem area that uses a suitable problem solving strategy, knowledge representation and reasoning method. This brings a number of advantages that are detailed in the thesis. The thesis presents systematical ideas for support proactive DFA, with the focus on support for part count reduction and assembly sequence generation. This is realised by three elements of the expert agents: Part Count Advisor, Starting Part Advisor, and Next Part Advisor. Part count reduction is usually based on dialogue with the user. There is little computational support for this issue in any of the DFA methodologies and related literature. This research fills the gap: it brings computational support for part count reduction from the early design stage. The work has also made new progress in assembly sequence generation. The Starting Part Advisor and the Next Part Advisor cooperate with each other and with the user to provide suggestions dynamically and transparently regarding base part and the most suitable next part selection in assembly sequence definition. Case studies were used to test the effectiveness of the Advisors.
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Eriksson, Gustav, and Anton Engberg. "Automating the CAD to Virtual Reality Pipeline for Assembly Simulation." Thesis, Linköpings universitet, Maskinkonstruktion, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166894.

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Virtual reality is emerging as a valuable tool in the manufacturing industry, as it allows engineers to place themselves in a virtual environment in which they can inspect and evaluate their 3D designs, providing a sense of scale not available through a 2D screen. Siemens Industrial Turbomachinery AB currently uses physical prototypes to assess whether their designs work from an assembly perspective, which can be expensive and time consuming to make and are often downscaled. Therefore, an interest in exploring the possibility of using virtual reality as a tool for simulating and evaluating assembly sequences has emerged, as well as training operators on said sequences, which lays the foundation for this thesis work. The thesis explores the possibility of using virtual reality to simulate assembly sequences using imported CAD models. Emphasis is put on automating the CAD to virtual reality pipeline, as well as how arbitrary CAD models can be presented in virtual reality and how assembly evaluation and training of said CAD models can be simulated in VR. An application is developed in Unreal Engine to explore the possibilities of using the program for virtual reality assembly simulation, as well as identifying potential problem areas. A solution to each of the problems are proposed, and these solutions together make up the application. The application is evaluated with end users to identify areas of improvement. The general conclusions that can be drawn from the results are that there are differences in how CAD programs and Unreal Engine handle and make use of 3D geometry which can cause issues, and that the number of parts and the size of these parts are the two most prominent parameters that can cause problems when importing, handling and using arbitrary CAD models in Unreal Engine.
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Nassar, Khaled. "A Framework for Building Assembly Selection and Generation." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/29138.

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In practice, the building design process can be divided into three major stages; schematic design, design implementation and construction documents development. The majority of the time in the building design delivery process is spent in the latter two stages. Computers can greatly aid the designer in the latter two stages, by providing a tool that helps in choosing the best assemblies for a particular design and, helping in automating the process of construction detail generation. There is lack of such a tool in the architecture design domain. In this dissertation, a novel approach for the selection and generation of building assemblies is presented. A building product model is described. In this model the building is broken down into assemblies. Each assembly has a graphical representation. By using the assemblies' representations a designer can specify his/her design concept. These assemblies are intelligent. They know how to select the correct assembly constructions for each particular design situation, based on a set of defined criteria and constraints. The different kinds of criteria and constraints that affect the selection of assemblies are identified, and examples are provided. A selection procedure is developed that can perform the selection taking into consideration the various criteria and constraints to produce a best compromise solution. A computer prototype is developed on top of a traditional computer graphics package (AutoCAD) as a proof of concept. In the prototype, the design knowledge is encapsulated and intelligence is added to the building assemblies of a specific construction type. This intelligence allows the assemblies to be automatically selected and analyzed. Several examples of assemblies are developed in the computer prototype. The treatment of building components as intelligent objects will significantly increase the efficiency of design in terms of economy and performance. This is because issues related to the specific design can be addressed in an organized way. Issues like cost, constructability, and other performances can be taken into consideration at the design level. The approach described here provides a more efficient and time saving way for selection of building assembly constructions.<br>Ph. D.
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Harper, Brian Davidson. "CAD methods to support automated De- and remanufacture assessments." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/16741.

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Satyarebala, Chilaka. "Role of CENP-A NAC/CAD network in spindle assembly and spindle checkpoint /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18103.

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Books on the topic "CAD assembly"

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A, Delchambre, ed. CAD method for industrial assembly: Concurrent design of products, equipment, and control systems. Wiley, 1996.

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Schäfer, Günther. Integrierte Informationsverarbeitung bei der Montageplanung. C. Hanser, 1992.

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Brookes, Alan. Connections: Studies in building assembly. Butterworth Architecture, 1992.

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Yates, Arthur. Memoirs of Arthur Yates, C.D., B.A., M.A. Trafford, 2001.

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Mbaïkoubou, Béral. Le pas laid de la démocratie: Comment la culture moutonnière du parlement tchadien abîme la république. Editions Sao, 2016.

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IEEE International Symposium on Assembly and Task Planning (3rd 1999 Porto, Portugal). Proceedings of the 1999 IEEE International Symposium on Assembly and Task Planning (ISATP'99): Towards flexible and agile assembly and manufacturing, July 21-24, 1999, Porto, Portugal. Institute of Electrical and Electronics Engineers, 1999.

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Sherstnev, Nikolay. Maintenance and repair of marine pumps. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1085864.

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The tutorial shows the design features of marine pumps that affect their working conditions and methods of maintenance and repair. Recommendations for external inspection and control of their components and parts are given. The features of disassembly and assembly of various types of pumps are shown. With examples from ship practice, typical defects of pump assemblies and parts, methods of their determination and elimination are considered. It is intended for students of higher educational institutions (specialty in the specialty "Operation of marine power plants") and university teachers. It can also be used in the system of secondary vocational education in the specialty "Operation of marine power plants".
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Sherstnev, Nikolay. Maintenance and repair of ship pipelines, valves and filters. INFRA-M Academic Publishing LLC., 2019. http://dx.doi.org/10.12737/1048799.

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The tutorial shows the design features of ship pipelines, valves and filters that affect the conditions of their operation and methods of maintenance and repair. Recommendations for external inspection and control of their elements are given. The features of disassembly and Assembly of various types of valves and filters are shown. With examples from ship practice typical defects of the specified elements, ways of their definition and elimination are considered.&#x0D; It is intended for students of higher educational institutions (specialization in the specialty "Operation of ship power plants") and University teachers. It can also be used in the system of secondary vocational education in the specialty "Operation of ship power plants".
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Davdiev, Kurban, and Ayub Omarov. Repair of cars and engines: final qualifying work. INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1014616.

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The general provisions concerning the design of production sites of an auto repair enterprise are outlined, the features of the design of production sites of auto repair production are described. The main goals and objectives of the completion of the final qualification work by students of secondary educational institutions, the sequence of its development are indicated. The structure of the calculation and explanatory note, compiled during the performance of the final qualification work on the design of production sites for the repair of various facilities and for the disassembly and assembly of assembly units, is considered in detail.&#x0D; The issues of technological calculations of production sites are considered in detail. The features of the design of production sites of classes I, II and III are indicated, differences in the organization of work of these sites are shown, the features of calculations used in the development of their projects are given, examples of calculations are given. The development and design of the design part are considered. The measures for occupational health and safety, fire safety and environmental protection are listed. The appendices provide extensive reference material used in the development of the final qualifying work.&#x0D; It is intended for students of secondary vocational educational institutions in the preparation of final qualifying work on the subject "Repair of cars and engines" in the specialty 23.02.03 "Maintenance and repair of cars" and university students in the course work and final qualifying work on the subject "Organization of car repair".
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Herlo, Bianca, Daniel Irrgang, Gesche Joost, and Andreas Unteidig, eds. Practicing Sovereignty. transcript Verlag, 2021. http://dx.doi.org/10.14361/9783839457603.

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Digital sovereignty has become a hotly debated concept. The current convergence of multiple crises adds fuel to this debate, as it contextualizes the concept in a foundational discussion of democratic principles, civil rights, and national identities: is (technological) self-determination an option for every individual to cope with the digital sphere effectively? Can disruptive events provide chances to rethink our ideas of society - including the design of the objects and processes which constitute our techno-social realities? The positions assembled in this volume analyze opportunities for participation and policy-making, and describe alternative technological practices before and after the pandemic.
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Book chapters on the topic "CAD assembly"

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Riley, Frank. "Electronics CAE/CAD/CAM." In The Electronics Assembly Handbook. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-662-13161-9_77.

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Sergent, Jerry E., Howell Chiles, and Peter P. Molkenthin. "CAD in Hybrid Production." In The Electronics Assembly Handbook. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-662-13161-9_80.

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Trzesniowski, Michael. "Zusammenbau (assembly)." In CAD mit CATIA® V5. Vieweg+Teubner Verlag, 2011. http://dx.doi.org/10.1007/978-3-8348-9871-5_5.

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Trzesniowski, Michael. "Zusammenbau (assembly)." In CAD mit CATIA® V5. Vieweg+Teubner Verlag, 2002. http://dx.doi.org/10.1007/978-3-322-91981-6_5.

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Trzesniowski, Michael. "Zusammenbau (assembly)." In CAD mit CATIA® V5. Vieweg+Teubner Verlag, 2002. http://dx.doi.org/10.1007/978-3-663-09473-9_5.

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Myers, Robert L. "CAD/CAM for PCB Manufacturing." In The Electronics Assembly Handbook. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-662-13161-9_78.

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Mehdi, Z., R. Sagar, and T. P. Sattar. "Pin Assembly by Robot." In CAD/CAM Robotics and Factories of the Future. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52326-7_12.

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Mehdi, Z., R. Sagar, and T. P. Sattar. "Pin Assembly by Robot." In CAD/CAM Robotics and Factories of the Future. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-662-39962-0_12.

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Rucco, Matteo, Katia Lupinetti, Franca Giannini, Marina Monti, and Jean-Philippe Pernot. "CAD Assembly Retrieval and Browsing." In Product Lifecycle Management and the Industry of the Future. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-72905-3_44.

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Banta, Larry, and Thomas Bubnick. "Fixtureless Robotic Assembly Workcell." In CAD/CAM Robotics and Factories of the Future ’90. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-58214-1_57.

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Conference papers on the topic "CAD assembly"

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Terei, Niklas, Rolf Wiemann, and Annika Raatz. "Accelerating Micro-Assembly Process Implementation by a CAD-Based Control Interface." In 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE). IEEE, 2024. http://dx.doi.org/10.1109/case59546.2024.10711593.

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Kiyokawa, Takuya, Ismael Rodriguez, Korbinian Nottensteiner, et al. "CAD-Informed Uncertainty-Aware Sequence and Motion Planning for Robotic Assembly." In 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE). IEEE, 2024. http://dx.doi.org/10.1109/case59546.2024.10711666.

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Pan, Wei, and Lujie Chen. "Design of LEGO Assembly Transformation." In CAD'17. CAD Solutions LLC, 2017. http://dx.doi.org/10.14733/cadconfp.2017.122-127.

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Thomas, Garrett, Melissa Chien, Aviv Tamar, Juan Aparicio Ojea, and Pieter Abbeel. "Learning Robotic Assembly from CAD." In 2018 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2018. http://dx.doi.org/10.1109/icra.2018.8460696.

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Bonino, Brigida, Franca Giannini, Marina Monti, and Roberto Raffaeli. "Automatic Assembly Sequence Planning for Axisymmetric Products." In CAD'22. CAD Solutions LLC, 2022. http://dx.doi.org/10.14733/cadconfp.2022.334-338.

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Zhang, Man, Yuki Igarashi, Yoshihiro Kanamori, and Jun Mitani. "Component-based Building Instructions for Block Assembly." In CAD'16. CAD Solutions LLC, 2016. http://dx.doi.org/10.14733/cadconfp.2016.55-59.

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Koga, Yotto, Heather Kerrick, and Sachin Chitta. "On CAD Informed Adaptive Robotic Assembly." In 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2022. http://dx.doi.org/10.1109/iros47612.2022.9982242.

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Rosso, Carlo, Cristiana Delprete, Elvio Bonisoli, and Stefano Tornincasa. "Integrated CAD/CAE Functional Design for Engine Components and Assembly." In SAE 2011 World Congress & Exhibition. SAE International, 2011. http://dx.doi.org/10.4271/2011-01-1071.

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Wright, Landon, Brendon Forsgren, Matthew Haskel, Trenton Owens, Eric Bowman, and John Salmon. "A CAD Assembly Simplification Approach with Ray Casting." In CAD'18. CAD Solutions LLC, 2018. http://dx.doi.org/10.14733/cadconfp.2018.407-411.

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Renu, Rahul, and Gregory Mocko. "Retrieval of Solid Models based on Assembly Similarity." In CAD'15. CAD Solutions LLC, 2015. http://dx.doi.org/10.14733/cadconfp.2015.80-82.

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Reports on the topic "CAD assembly"

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Kashiwa, Bryan. Marker Lagrangian Simulations using Geometry from CAD Assembly Files. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1871456.

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Olson, R. F3502-0257-EC-INL71153-FMF Room 20 CAD Metal Mold Pallet Assembly-Drawing. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/1963944.

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Olszewski, Thomas. Capacity Selector Valve Electronics Enclosure Assembly Controller Card Assembly Test Specifications. Revision C. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada175917.

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Atz, Milos, and SuJong Yoon. Summary of DASSH-CFD Inter-Assembly Heat Transfer Comparison. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1906276.

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Shives, T. R., S. R, III Low, and C. H. Brady. Examination of failed railroad car wheelaxle assembly from derailed passenger car, McIntosh, Georgia. National Bureau of Standards, 1985. http://dx.doi.org/10.6028/nbs.ir.86-3383.

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Roye, Thorsten. Unsettled Technology Areas in Deterministic Assembly Approaches for Industry 4.0. SAE International, 2021. http://dx.doi.org/10.4271/epr2021018.

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Increased production rates and cost reduction are affecting manufacturing in all sectors of the mobility industry. One enabling methodology that could achieve these goals in the burgeoning “Industry 4.0” environment is the deterministic assembly (DA) approach. The DA approach is defined as an optimized assembly process; it always forms the same final structure and has a strong link to design-for-assembly and design-for-automation methodologies. It also looks at the whole supply chain, enabling drastic savings at the original equipment manufacturer (OEM) level by reducing recurring costs and lead time. Within Industry 4.0, DA will be required mainly for the aerospace and the space industry, but serves as an interesting approach for other industries assembling large and/or complex components. In its entirety, the DA approach connects an entire supply chain—from part manufacturing at an elementary level to an OEM’s final assembly line level. Addressing the whole process of aircraft design and manufacturing is necessary to develop further collaboration models between OEMs and the supply chain, including addressing the most pressing technology challenges. Since all parts aggregate at the OEM level, the OEM—as an integrator of all these single parts—needs special end-to-end methodologies to drastically decrease cost and lead time. This holistic approach can be considered in part design as well (in the design-for-automation and design-for-assembly philosophy). This allows for quicker assembly at the OEM level, such as “part-to-part” or “hole-to-hole” approaches, versus traditional, classical assembly methods like manual measurement or measurement-assisted assembly. In addition, it can increase flexibility regarding rate changes in production (such as those due to pandemic- or climate-related environmental challenges). The standardization and harmonization of these areas would help all industries and designers to have a deterministic approach with an end-to-end concept. Simulations can easily compare possible production and assembly steps with different impacts on local and global tolerances. Global measurement feedback needs high-accuracy turnkey solutions, which are very costly and inflexible. The goal of standardization would be to use Industry 4.0 feedback and features, as well as to define several building blocks of the DA approach as a one-way assembly (also known as one-up assembly, or “OUA”), false one-way assembly, “Jig-as-Master,” etc., up to the hole-to-hole assembly approach. The evolution of these assembly principles and the link to simulation approaches are undefined and unsolved domains; they are discussed in this report. They must be discussed in greater depth with aims of (first) clarifying the scope of the industry-wide alignment needs and (second) prioritizing the issues requiring standardization. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. SAE EDGE™ Research Reports are not intended to resolve the challenges they identify or close any topic to further scrutiny.
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Tse, Stephen D. RI: CCD-FO Assembly for Spectroscopic Characterization of Flame Synthesis Processes. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada557915.

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Friedmann, Michael, Charles J. Arntzen, and Hugh S. Mason. Expression of ETEC Enterotoxin in Tomato Fruit and Development of a Prototype Transgenic Tomato for Dissemination as an Oral Vaccine in Developing Countries. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7585203.bard.

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The broad objective of the project was to develop a feasible approach to combat diarrheal disease caused by ETEC through the development of a low-cost oral immunogen in tomato fruit, expressed in the context of a prototype tomato that would answer the shortcomings of plant oral vaccines, especially in terms of produce handling and control of gene escape. Specifically, the goals for Boyce Thompson Institute (BTI) on this project were to develop transgenic tomato lines that express the enterotoxigenic E. coli (ETEC) heat-labile enterotoxin (LT) subunits A and/or B for use in oral edible vaccines, and to optimize expression and assembly of these antigens in tomato fruits.LT-B is a useful vaccine antigen against ETEC disease, since antibodies against LT-B can prevent binding and delivery of the holotoxinLT. Mutant forms of the toxic LT-A subunit that have reduced toxicity can be co-expressed and assembled with LT-Bpentamers to form mutant LT (mLT) complexes that could be used as mucosaladjuvants for other oral vaccines. Work on the project is continuing at Arizona State University, after Dr. Mason moved there in August 2002. A number of approaches were taken to ensure the expression of both subunits and bring about their assembly inside the transgenic fruits. Initially, expression was driven by the fruit-specific E-8 promoter for LT-B and the constitutive CaMV 35S promoter for LT-A(K63). While LT-B accumulated up to 7 µg per gram ripe fruit, assembled LT-K63 was only 1 µg per gram. Since promoter activities for the two genes likely differed in cell type and developmental stage specificity, the ratios of A and B subunits was not optimal for efficient assembly in all cells. In order to maximize the chance of assembly of mLT in fruit, we focused on constructs in which both genes are driven by the same promoter. These included co-expression plasmids using the 35S promoter for both, while switching to attenuated mLTs (LT-R72 and LT-G192) that have shown greater potential for oral adjuvanticity than the initial LT-K63, and thus are better candidates for a plant-derived adjuvant. Other, more novel approaches were then attempted, including several new vectors using the tomato fruit-specific E8 promoter driving expression of both LT-B and mutant LT-A, as well as a dicistronic construct for co-expression of both LT-B and mutant LT-A genes from a single promoter, and a geminivirusreplicon construct. We describe in the Appendix the results obtained in transgenic tomato lines transformed with these constructs. Overall, each contributed to enhanced expression levels, but the assembly itself of the holotoxin to high levels was not observed in the fruit tissues. The Israeli lab’s specific objective was to develop transgenic tomato lines expressing the LTholotoxin antigen bearing attributes to prevent gene escape (male sterility and orange fruit color) and to improve the dissemination of the oral vaccine (long shelf-life tomato cherry fruit or tomato processing background). Breeding lines bearing a number of attributes to prevent gene escape were developed by combining material and backcrossing either to a tomato cherry background, or two different processing backgrounds. Concomitantly, (these lines can be utilized for the creation of any future oral vaccine or other therapeutic-expressing tomato, either by crosses or transformation), the lines were crossed to the holotoxin-expressing tomatoes received from the United States, and this transgenic material was also incorporated into the backcrossing programs. To date, we have finalized the preparation of the cherry tomato material, both non-transgenic (bearing all the desired attributes), and transgenic, expressing the holotoxin. The level of expression of LT-B in the cherry fruits was comparable to the original transgenic tomatoes. Since it was not higher, this would necessitate the consumption of more fruits to reach a desired dose. A final backcross has been made for both the non-transgenic and the transgenic material in the processing lines. Auxin sprays resulted in high percentages of fruit set, but the processing genotypes gave many puffed fruits.
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Head, Keith, and Thierry Mayer. Misfits in the Car Industry: Offshore Assembly Decisions at the Variety Level. National Bureau of Economic Research, 2019. http://dx.doi.org/10.3386/w25614.

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Herman, Eliot D., Gad Galili, and Alan Bennett. Recognition and Disposal of Misfolded Seed Proteins. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568791.bard.

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This project was directed at determining mechanisms involved in storage of intrinsic and foreign storage proteins in seeds. Seeds constitute the majority of direct and indirect food. Understanding how seeds store proteins is important to design approaches to improve the quality of seed proteins through biotechnology. In the Israeli part of this project we have conducted investigations to elucidate the mechanisms involved in assembling wheat storage proteins into ER-derived protein bodies. The results obtained have shown how domains of storage protein molecules are critical in the assembly of protein bodies. In the US side of this project the fate of foreign and engineered proteins expressed in seeds has been investigated. Engineering seed proteins offers the prospect of improving the quality of crops. Many foreign proteins are unstable when expressed in transgenic seeds. The results obtained have demonstrated that sequestering foreign proteins in the ER or ER-derived protein bodies stabilizes the proteins permitting their accumulation. The collaboration conducted in this project has advanced the understanding how protein bodies are assembled and the potential to use the ER and protein bodies to store engineered proteins that can enhance the composition of seeds.
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