Incremental analysis of springback and kinematic hardening by the variation of tension during deep drawing

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschung

Authors

Springback is considered as one of the major problems in sheet metal forming. It leads to assembly defects and cause a huge amount of cost for tool modifications. In this work a tool for incremental analysis of springback analysis has been presented. Development of springback with punch travel has been analyzed for the simple U draw-bend geometry, tunnel geometry with open base and modified tunnel geometry with closed base and variable flange height. The effect of tension variation in the sheet with punch travel has been considered as the steering parameter for the springback and various profiles of varying tension are studied, which would generate different tensile forces in sheet. It is found that the tension in the part in the last quarter of punch travel has a profound effect on the springback reduction as compared to the traditionally applied constant BHF. Two selected kinematic hardening models, namely Yoshida-Uemori(YU) model and Armstrong-Frederick(AF) model are used to study the coupled effects of tension and material hardening.
OriginalspracheEnglisch
ZeitschriftAIP Conference Proceedings
Jahrgang1567
Ausgabenummer1
Seiten (von - bis)709-712
Anzahl der Seiten4
DOIs
PublikationsstatusErschienen - 2013
Extern publiziertJa

DOI

Zuletzt angesehen

Forschende

  1. Anika Timm

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