NDLI: Design method for intermediate roll in multi-stage profile ring rolling process: The case for excavator idler rim

Content Provider	Springer Nature Link
Author	Lee, Kyung Hun Ko, Dae Cheol Kim, Dong Hwan Lee, Seon Bong Sung, Nag Mun Kim, Byung Min
Copyright Year	2014
Abstract	In this paper, the design method for intermediate rolls has been developed to manufacture excavator idler rims in multi-stage profile ring rolling process, based on the uniform volume distribution element technique (UVDET) and the extremum rolling ratio(λ$_{max}$). UVDET is presented as the ratio of the volume change of ring blanks to that of undeformed rings per unit height. λ$_{max}$ is defined as the ratio of the cross-sectional area of blanks to that of rolled rings. The theoretical value of intermediate roll shapes were determined by UVDET and λ$_{max}$, i.e. the outer diameter and cross-sectional shape of the intermediate ring, respectively. FE simulations and profile ring rolling experiments using AISI 1035 steel alloys were performed to prove the validity of proposed design method. In order to investigate the deformation behavior in profile ring rolling of excavator idler rims, the expanding rule of plastic zone should be carried out firstly. The proposed roll design method led to the successful ring shape and the highest dimensional precision.
Starting Page	503
Ending Page	512
Page Count	10
File Format	PDF
ISSN	22347593
Journal	International Journal of Precision Engineering and Manufacturing
Volume Number	15
Issue Number	3
e-ISSN	20054602
Language	English
Publisher	Korean Society for Precision Engineering
Publisher Date	2014-03-12
Publisher Place	Springer
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multi-stage profile ring rolling Roll design Uniform volume distribution element technique Extremum rolling ratio Excavator idler rim Industrial and Production Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Mechanical Engineering Electrical and Electronic Engineering

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