![]() ![]() Journal of Materials Processing Technology. A new rapid prototyping system using universal automated fixturing with feature based CAD/CAM. Robotics and Computer Integrated Manufacturing. Extraction of geometric characteristics for manufacturability assessment. Interfacing CAD and CAM-A study in hole design. Hybrid feature modelling for sport shoe sole design. A feature-based approach towards an integrated product model including conceptual design information. ![]() Design for manufacture and assembly software packet. Technique Report, Department of Mechanical Engineering, University of Massachusetts, USA. ![]() Design for assembly - A designer Handbook. World Academy of Science, Engineering and Technology. Design for manufacturability and concurrent engineering for product development. Selection of cutting tools and conditions of machining operations using an expert system. Early cost estimate of product during design stage using design for manufacturing and assembly (DFMA) principles. Generation of manufacturing information in intelligent CAD. The system will be helped the process planner/manufacturing engineer by automatically creating work-piece data structure. If a feature is modified, the system validates the feature by making sure that it remains consistent with its original functionality and Design-for-manufacture guidelines are re-applied. The designers are warned if they attempt to include features that violate Design-for-manufacture and Design functionality guidelines. Upon insertion of a feature, the system ensures that no functionality or manufacturing guidelines are violated. Therefore, from manufacturing feature library a design can compose entirely in a bottom-up manner using manufacturable entities in the same way as they would be produced during the manufacturing phase. The approach has been applied in two case studies in which a rotational part (shaft) and a non-rotational part are designed through manufacturing features. A systematic database system also have been developed and analysed for each feature consists of parameterised geometry, manufacturing information (including machine tool, cutting tools, cutting conditions, cutting fluids and recommended tolerances and surface finishing values, etc.), design limitations, functionality guidelines, and Design-for-manufacture guidelines. Inside the library, manufacturing features are organised hierarchically. The library is called manufacturing feature library which is linked with commercial CAD/CAM software package named Creo Elements/Pro by toolkit. It brings the design and manufacturing phase together in design stage and provides an intelligent interface between design and manufacturing data by developing a library of features. The main contribution of the work is to develop an intelligent system for manufacturing features in the area of CAD/CAM. ![]()
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