Download Advances in Integrated Design and Manufacturing in by Serge Tichkiewitch, M. Tollenaere, Pascal Ray PDF

By Serge Tichkiewitch, M. Tollenaere, Pascal Ray

The 33 papers awarded during this ebook have been chosen from among the ninety seven papers provided through the 6th version of the foreign convention on built-in layout and production in Mechanical Engineering in the course of 28 classes. keynote papers, one provided by way of Professor Stephen Lu, from the influence learn Laboratory, college of Southern California, united states, on assisting participative joint judgements in built-in layout and production groups , and one written via Professor Stefan Rudolph from Stuttgart college approximately knowledge Reuse within the conceptual layout part of complicated engineering items or: Are you continue to developing manually or do you generate already instantly , introduce the topic of the convention and are through different subject matters highlighted in the course of the convention: The design/manufacturing interface; built-in layout of producing procedures; lifestyles cycle layout and production methods; Agility in layout and manufacture; wisdom in engineering; and administration in construction systems.

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Summary of the range of variation for all process parameter tested. 5 Fig. 8. Calculation of the needed flange diameter. 5 Targets on the Final Part and on the Flange We have to choose objectives on the part and on the flange. On the final part a 50 mm height and minimum thickness reduction are wanted. 6 mm diameter. This diameter is calculated outside the anisotropy ears. These dimensions of the flange are represented in Figure 8. 6 Table of Experiments For each target on the part and on the flange, a mathematical model has to be identified.

Results of the different trials of the experimental design. 71 · T3 (4) In these equations, the most influent process parameters are in bold characters. 1 Influence on the Minimal Thickness Figure 9 represents the influence of each parameter of the process on the thickness variation. The most influential parameter is the punch radius RP 1 . Then, in the decrease order, we have the punch travel T2 , the die radius RD2 and RD1 . Numerical Optimization of an Industrial Multi-Steps Stamping Process 53 Fig.

1. Drawing of the part. 1 Introduction In press shop one of the most important problem for engineers is to obtain formed parts with geometrical quality corresponding to the customer specifications. In this paper, we propose the study of a part made from two stamping stages and two additional operations (folding and trimming). Usually, empirical rules combined to “trial and error” method are used to find the right combination of process parameters in order to get the wished part. So this kind of optimization of complex part is not a rigorous procedure and often leads to delay, lack of quality and costing adjustment of tool geometry and process parameters.

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