Abstract. The theoretical approach and the related case study presented in the paper are part of a larger research regarding the optimization of assembled products and assembly processes by enhancing the effectiveness and efficiency of design activities, including by embedment of DfX/DFMA principles. First of all, a conceptual model for the theoretical approach is proposed and discussed. The case study refers to the engineering design of an indexing mounting table for automated assembly of an electrical plug inlet. Some advanced principles and theories are discussed in relation to the technical solution design. Advanced engineering design capabilities provided by Solid Edge have been used for solving the 3D modelling task and for the other detailed design activities. Finally, some related conclusions are included, together with some directions of further researches.
This paper aims to present a theoretical approach and a case study within a research upon product and process design methods in terms of manufacturing and assembly – supported by DFMA (Design for Manufacturing and Assembly) techniques. Application of the integrated design capabilities provided by DFMA approach is illustrated with a case study on the development of a technological device for automated assembly of an industrial electrical plug inlet. The analysis and redesign using DFMA philosophy and advanced 3D design capabilities provided by CATIA V5 is an advanced engineering method for designing an innovative product in order to simplify the product, to quantify improvements and to reduce manufacturing and assembly costs. The new design of the studied product has been compared with the existing one from the aspect of parts quantity, handling time, assembly time and design efficiency. Finally, the study presents also some related conclusions together with further research directions.
The research approach and the case study presented in the paper are oriented towards the convergent use of a parametric modelling algorithm and of an advanced integrated CAD/CAE solution for the optimization of the product engineering design, for reducing the product life cycle environmental impact and for providing sustainability in product development. First of all, a conceptual model for the research framework is proposed, where the use of mathematical models (equations/mathematical relations, etc.) integrated into advanced CAD/CAE design solutions leads to parameterizing of the product structure and obtaining of some product component families (gears, shafts, screws, nuts, bushings, etc.). The presented case study refers to the application of the above outlined solutions for enhancing the design effectiveness and efficiency of 3D product assembly and part models (hereby exemplified for component parts like shafts and gears) for a particular construction of a technological device, using the powerful tools of the integrated product family Creo Parametric (Pro/Engineer) as mechanical design software. Some suitable conclusions are finally presented and some directions of further researches are also included.
The paper presents a theoretical approach and a case study upon the use of an advanced CAD solution integrated with another engineering design software solution embedding DFMA concepts, particularly applied within the product and manufacturing process design for technological devices. The main objective of implementing CAD and DfX/DFMA integrated solutions is to guide designers into the product development phase so that a better design can be achieved in a shorter time and with lower costs. The case study analyzes an assembly model developed for an indexing mounting table dedicated for the automated assembling of an industrial electrical plug inlet. The assembly product model has been developed using 3D parametric modeling specific tools, further on it has been subjected to analysis based on DFMA principles and after that its components have been redesigned to respond to the analysis results. Some of the case study results and their interpretation are discussed in the paper content and finally some overall conclusions are included along with some intended future research directions.
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