Open AccessThe application of a newly modified numerical global springback compensation method
Author(s) -
Wenfeng Zhang,
Wei Xiong,
Chuan Li,
Yong Lv,
Xiaohui Song,
Yushan Xia
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/729/1/012061
Subject(s) - cylinder , compensation (psychology) , series (stratigraphy) , sensitivity (control systems) , computer simulation , saddle , matrix (chemical analysis) , sheet metal , computer science , mathematics , structural engineering , engineering , materials science , geometry , simulation , composite material , geology , psychology , paleontology , electronic engineering , psychoanalysis
A newly modified numerical global springback compensation methodwas used to simulate the die process in this paper. The numerical approach is given to evaluate the compensation matrix, and the matrix changes according to forming deviations. And GCremedies quasi Newton (QN) method’s sensitivity to initial die contour. To verify its effectiveness, GC, DA and QN have been used to design dies for a series sheet metal parts with cylinder, sphere and saddle shapes. Summarizing simulation and experiment results, the method in general converges faster and more stable.