Journal ArticleDOI
Towards a steady forming condition for radial–axial ring rolling
Lianggang Guo,He Yang +1 more
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TLDR
In this article, a mathematical model of the steady forming condition for RARR is developed based on the constant growth velocity condition (CGVC) of the ring, which is a design objective of the process variables.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2011-04-01. It has received 81 citations till now. The article focuses on the topics: Forming processes & Steady state.read more
Citations
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An improved process for grain refinement of large 2219 Al alloy rings and its influence on mechanical properties
TL;DR: In this paper, an improved ring manufacturing process was proposed for the large 2219 Al alloy rings used to connect propellant tank components of a satellite launch vehicle to each other, and the results showed that the improved process can successfully be applied to manufacture the large 2D alloy rings without formation of macroscopic defects, resulting in a product with fine and uniform grains.
Journal ArticleDOI
Set-up of radial–axial ring-rolling process: Process worksheet and ring geometry expansion prediction
TL;DR: In this article, an analytical method is proposed in order to forecast the evolution of the kinematic key parameters during the ring rolling process, including the forecast of the number of rounds necessary for the complete forming of the ring.
Journal ArticleDOI
Effects of axial rolls motions on radial–axial rolling process for large-scale alloy steel ring with 3D coupled thermo-mechanical FEA
TL;DR: In this paper, a 3D elastic-plastic and coupled thermo-mechanical FE model of RARR is explored using the dynamic explicit code ABAQUS/Explicit.
Journal ArticleDOI
Advanced feasible forming condition for reducing ring spreads in radial–axial ring rolling
Kyung-Hun Lee,Byung-Min Kim +1 more
TL;DR: In this article, the authors derived an advanced feasible forming condition for reducing ring spreads and maintaining process stability during radial-axial ring rolling (RARR) process, which was based on the plane strain indentation theory.
Journal ArticleDOI
Research on the effects of coordinate deformation on radial-axial ring rolling process by FE simulation based on in-process control
TL;DR: In this paper, a reliable FE model based on in-process control for the radial-axial ring rolling process has been established under the ABAQUS/Explicit platform.
References
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Journal ArticleDOI
Incremental Bulk Metal Forming
TL;DR: Incremental bulk forming is the oldest known technique in metal working as discussed by the authors, and many developments in this field have dramatically changed our society, including the development of new machinery for incremental bulk forming, advanced methods for process planning, occurrence of failure modes and the properties of finished products.
Journal ArticleDOI
Analyses for roll force and torque in ring rolling, with some supporting experiments
TL;DR: In this article, an analysis for predicting roll force and torque during ring rolling between plain cylindrical rolls is presented, where a nomograph is given to allow easy application of the theory.
Journal ArticleDOI
The Development of Ring Rolling Technology
TL;DR: A thorough survey of work on ring rolling published in the English and German languages by 2004 is presented in this article, where the main body of the review is organized in four parts: the evolution of the design of ring rolling equipment, including detailed discussion of the preforms; the methods used to investigate the process are reviewed, separated into experimental and theoretical categories; the insights gained from these investigations are organised according to the challenges identified at the outset; developments in the control and operation of the process were described.
Journal ArticleDOI
Ring rolling process simulation by the three dimensional finite element method
TL;DR: The finite element code "RING" as discussed by the authors was developed for the analysis of ring rolling and a special feature of the program is the updating procedure in three-dimensional deformation, where a spatially fixed mesh system including deforming region of the workpiece is constructed based on the shape changes of the ring at each time step.
Journal ArticleDOI
The extremum parameters in ring rolling
Hua Lin,Zhao Zhong Zhi +1 more
TL;DR: In this article, a mechanical model for ring rolling is established, the extremum parameters in ring rolling being derived based on the model, and predicted results compared with experimental results, and the model is applied to ring rolling.
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Nassir Anjami,Ali Basti +1 more