Design of Process Parameters in Wiping Z-bending Process using Statistical Analysis Technique
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Publication Details
Author list: Thipprakmas S., Komolruji P.
Publisher: Elsevier
Publication year: 2017
Volume number: 183
Start page: 5
End page: 10
Number of pages: 6
ISSN: 1877-7058
Languages: English-Great Britain (EN-GB)
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Abstract
With the more severe requirement for the wiping Z-bent parts, in recent years, the high dimension precision is required. The major forming problem of spring-back is the main barrier faced in product quality upgrading in the precision bent parts. With the various process parameters, including bend angle, material thickness, tool radius, web height and workpiece length, these resulted in the processing difficulty in the control of spring-back feature. However, these process parameter designs for controlling the spring-back characteristic has not been researched yet. In this study, therefore, the effects of these process parameters were investigated by using the finite element method (FEM) simulation. In addition, the process parameter design was also examined by using the combination of the FEM simulation, and statistical analysis technique to determine the degree of importance of each process parameter. The experiments were carried out to validate the FEM simulation results. The results elucidated that the material thickness, bend angle and tool radius have a major influence on spring-back characteristic, respectively. ฉ 2017 The Authors.
Keywords
Analysis of variance (ANOVA), Z-bending
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