NDLI: Influence analysis of area reduction for necking in twice-stage cross wedge rolling

Content Provider	Springer Nature Link
Author	Jia, Zhi Zhou, Jie Ji, Jinjin Lei, Zhenzhen Xiang, Dong Sun, Xiaotian
Copyright Year	2012
Abstract	A symmetric twice-stage cross wedge rolling (CWR) model was developed to analyze the generation mechanisms of necking by using rigid-plastic finite element method (FEM), and particular attention has been paid on the effect of area reduction on necking. After a brief summarize of necking criteria in single-stage CWR, the distribution coefficient of area reduction was presented to analyze the laws of necking in twice-stage CWR. The influences of area reduction on the field variables, including the effective strain, displacement, and damage, have been investigated to explain the laws of necking. With the necking behavior deteriorates, the displacement and damage increase. The traditional idea about distribution of area reduction is that the main deformation, which occurs in first stage, can effectively prevent necking in twice-stage CWR, but in this study, it has been found that the optimal state was achieved when the distribution coefficient of area reduction is close to 1. The production experiment on connecting rod preforming process was given to validate the simulation results. The results show that the law is desirable and gives a good guide for CWR die design.
Starting Page	1407
Ending Page	1413
Page Count	7
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	66
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-08-24
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Twice-stage cross wedge rolling Necking Area reduction Distribution coefficient of area reduction Connecting rod Industrial and Production Engineering Production/Logistics/Supply Chain Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
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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