Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 33 for “"computer aided manufacturing"”.
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Strategies for cells encapsulation and deposition
A computer aided manufacturing approach to encapsulate viable mammalian cells in hydrogels and use these capsules as the building blocks for scaffolds. A novel 3D capable contactless bioprinter is presented that encapsulates cells in a alginate hydrogel through an electro hydro dynamic process and …
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Localized design-manufacture for Developing Countries : a methodology for creating culturally sustainable architecture
… at building capacity locally for self-sustained manufacturing processes using Computer-Aided Design and Computer-Aided Manufacturing (CAD/CAM) tools suited to create solutions for local infrastructures. Unlike imposed exogenous solutions, an approach is needed which promotes localization of the …
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A complete geometric and topologic file structure
… is necessary for the effective linking of Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM). Before automated process planning is performed, primitive geometric data from CAD databases needs to be converted to higher-level feature information required by the CAM systems. …
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Computer aided design and synthesis of the RSCR spatial mechanism
Recent efforts in computer aided design and computer aided manufacturing have stressed the development of robotics. However, there are many applications where a spatial mechanism could be used in place of a robot, but the mechanism design theory has not been fully developed. This thesis presents …
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Application of traveling salesman problem in generating a collision-free tool path in drilling
… geometry and arrangement of holes. Majority of Computer Aided Manufacturing (CAM) software offer a set of predefined strategies to choose from. These tool paths are mostly far from being the optimum path, specifically for complex geometries with non-flat surfaces. This thesis introduces a new …
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Versatility And Customization Of Portable Cmm In Reverse Engineering A
… about a part by physically examining it. In the computer aided manufacturing world this is referred to as Part to CAD conversion, where the geometry of physical objects are being captured as Digital 3-D CAD Data. This is vital not only to produce drawing of parts for which no CAD data exists, but …
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TIPPS, a totally integrated process planning system
Computer-aided process planning is an essential interface between computer-aided design and computer-aided manufacturing. In this thesis, a computer-aided process planning system - TIPPS is developed. A CAD design model is used for direct input in the TIPPS system. A boundary internal model of the …
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Development of an object-oriented modeling environment for prototyping heterogeneous simulation models
Computer simulation modeling is currently the most flexible method of manufacturing system analysis. Unfortunately, current simulation frameworks do not support the modular specification of homogeneous and heterogeneuos models. A Simulation Program Generator (SPG) for prototyping heterogeneuos …
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Treatment of Defects in the Dental Arches with Fixed Prosthetic Restorations over Natural Teeth Made by Digital Impression // Лечение на дефекти на зъбните редици с неснемаеми протезни конструкции върху опори естествени зъби, изработени по дигитален отпечатък
… main and most important stages in the process of manufacturing any fixed prosthetic restoration. From a clinical point of view, two of the main criteria for achieving long-term success in prosthetic treatment with fixed partial dentures are the good marginal adaptation and internal fit to the …
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Exploring property driven design fabrication through materials testing and software development
Since its introduction in the late 1980s, layered manufacturing has become an increasingly efficient and common means to delivering functional and visually representative prototypes in relatively short amounts of time from previously prepared Computer-Aided Design files. However, most layered …
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Particulate : an education and research workshop for off-site manufacturing
… with the makings of a multidisciplinary off-site manufacturing(OSM) education and research facility, focused on the development and use of Computer Aided Drafting (CAD) and Computer Aided Manufacturing (CAM) techniques, to design, manufacture and assemble buildings. Post-industrial revolution, …
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The Study of 3D Micro-fluid Printing in Aqueous Two-phase System
… extrusion 3D printer into a micro-fluid printer, computer aided design (CAD) and computer aided manufacturing (CAM) was used to design and manufacture the customized parts. The CAD software “Solidworks” and Ender-5 Pro 3D printer from Creality were used to design and manufacture the customized …
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Creation of controlled polymer extrusion prediction methods in fused filament fabrication. An empirical model is presented for the prediction of geometric characteristics of polymer fused filament fabrication manufactured components
… thesis presents a model for the procedures of manufacturing Fused Filament Fabrication (FFF) components by calculating required process parameters using empirical equations. Such an empirical model has been required within the FFF field of research for a considerable amount of time and will …
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Automatic generation of optimal process plans for machined parts from 3D solid models
The application of computers to the product design and manufacturing process brought changes in the traditionally separate disciplines of design and manufacturing. The usage of computer-aided design (CAD) covers a variety of applications such as stress analysis as well as designing, and …
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An investigation of the effects of organizational factors and personal characteristics on top executives perceiving a strategic issue as an opportunity or a threat
… are polled for their opinions of flexible manufacturing systems (PMS) developments. PMS refers to technology that is only now becoming available and consists of the integration of computer facilities and robotics mechanisms. Predecessors of PMS include numerically controlled machinery …
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New technique for the development of open CNC cell controller based on ISO 14649 and ISO 6983
The aim of modern Computer Numerical Control (CNC) is to be more flexible, interoperable, adoptable, open and intelligent. In the projection towards the development of the next generation of CNC systems, the problem of current International Standards Organization (ISO) data interface model (ISO …
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CAD and creativity at Key Stage 3 : towards a new pedagogy
… towards digital processes and products. CAD/CAM (computer-aided design/computer-aided manufacturing) is not only commonplace it is also embedded into the English National Curriculum. There is much evidence to suggest that this shift of emphasis has not been without problems. The equipment used to …
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The Design Of A Nanolithographic Process
… research. This AFM system integrates a computer aided design/computer aided manufacturing (CAD/CAM) environment to allow for the direct synthesis of nanostructures and patterns using a virtual design interface. This AFM instrument was leveraged primarily to study anodization …
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Rapid prototyping in early stages of architectural design
… when used in what is defined as Direct CAD (Computer Aided Design) with Direct CAM (Computer Aided Manufacturing). Furthermore, it identifies Semi -Direct CAD with Direct CAM as the manipulation most commonly used by architects. This manipulation is useful for presentation models but not very …
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Virtual three-axis milling process simulation and optimization
The ultimate goal in the manufacturing of a part is to achieve an economic production plan with precision and accuracy in the first attempt at machining. A physics-based comprehensive modeling of the machining processes is a fundamental requirement in identifying optimal cutting conditions which …
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