NDLI: Application of the fuzzy-based Taguchi method for the structural design of drawing dies

Content Provider	Springer Nature Link
Author	Lin, Bor Tsuen Kuo, Chun Chih
Copyright Year	2010
Abstract	In the sheet metal stamping process for automobiles, the drawing process requires the greatest stamping force, and thus the structure of the drawing dies is the thickest and heaviest among all stamping dies. This study describes how the fuzzy-based Taguchi method can be applied to explore multi-objective optimization in the structural design of drawing dies. Using the lower die of the drawing die for the engine hood’s outer panel as an example, the current study explores four parameters that primarily influence the strength and weight of their structure, namely the rib thickness of the punch open line, the pitch of the structure rib, the thickness of the punch surface, and the thickness of the structure rib. Firstly, CATIA software is used to construct a geometric model of the drawing die, and a structural analysis of the model is performed. Next, within the constraints of allowable stress, allowable deflection and allowable size and pitch of the rib, etc., we apply the Taguchi method to evaluate the allowable characteristics of the two objective functions, namely the deflection and weight of the lower die. Then, through factor effect analysis and analysis of variance, the influences of the design parameters upon the objective functions are determined. Next, a fuzzy logic inference is utilized to obtain the measuring index which results in the optimization of the multiple performance characteristics. Finally, by comparing the results from the maximized design and the results from the original design, it is shown that the deflection of the lower die structure is only increased by 0.0038 mm (8.1%), but its weight can be greatly decreased by 506 kg (12%).
Starting Page	83
Ending Page	93
Page Count	11
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	55
Issue Number	1-4
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-11-25
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Drawing die Structural design Fuzzy-based Taguchi method Multi-objective optimization Industrial and Production Engineering Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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