Towards a steady forming condition for radial–axial ring rolling

Guo, Liang; Yang, He

doi:10.1016/j.ijmecsci.2011.01.010

Cited by 88 publications

(59 citation statements)

References 37 publications

(48 reference statements)

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“…Analytic calculation (Berti et al, 2015;Guo and Yang, 2011;Kil et al, 2014;Xu et al, 2011) and FE simulation GIorleo et al, 2013;Hua et al, 2006;Pan et al, 2007;Peng et al, 2013) are the main approach, and some rolling experiments Lee and Kim, 2013;Parvizi and Abrinia, 2014) have been tried, to explore deformation mechanism, deformation condition and technologic design method, etc. of RARR.…”

Section: Recent Development Of Rarrmentioning

confidence: 99%

“…In early days, limited by the study condition, the researches on RARR were scarce. Currently, based on the research of RRR, the scholars, such as Hua L. at Wuhan University of Technology (Hua et al, 2009a;Zhou et al, 2010aZhou et al, , 2011bZhou et al, , 2012, Yang H. at Northwestern Polytechnical University (Guo and Yang, 2011;Zhu et al, 2014b), Li Y.T. at Taiyuan University of Science and Technology (Li et al, 2014b), Allwood J.M.…”

Section: Recent Development Of Rarrmentioning

confidence: 99%

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Recent development of ring rolling theory and technique

Hua

Deng

Qian

2017

IJMPT

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Rings are basic mechanical components. Ring rolling is a well-known advanced plastic forming technique to manufacture high-performance seamless rings. Since the 21st century, the fast development of global manufacturing has raised an urgent request to high-performance rings, thus, comprehensive and in-depth studies on ring rolling technique were carried out. Based on long-term investigations and attentions on ring rolling, important developments of ring rolling theory and technique in recent 15 years were simply summarised, including the traditional radial ring rolling and radial-axial ring rolling, as well as the novel combined ring rolling. It is expected to give a valuable reference to the research and application of ring rolling.Keywords: ring rolling; theory; technology; equipment; recent development.Reference to this paper should be made as follows: Hua, L., Deng, J. and Qian, D. (2017)

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Section: Recent Development Of Rarrmentioning

confidence: 99%

Section: Recent Development Of Rarrmentioning

confidence: 99%

Recent development of ring rolling theory and technique

Hua

Deng

Qian

2017

IJMPT

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“…Kluge et al [8] adopted a feeding strategy that could decrease the deformation degree of the materials located at the corners of the rolled rings' cross section to manufacture rectangular rings, and the feeding strategy could effectively control the equivalent plastic strain and temperature distributions of rolled Ti-6Al-4V alloy rectangular rings. Guo and Yang [9] proposed a feeding strategy that could make the ring's outer radius stably grow up in GH4169 steel radial-axial ring rolling process, determined the reasonable value ranges of the mandrel feed rate, and finally verified the correctness of the proposed feeding strategy by numerical simulation method. Kim et al [10] decreased the maximum load of the rolling mill by optimizing the motions of rolls in radial-axial ring rolling process.…”

Section: Introductionmentioning

confidence: 96%

A Feeding Strategy in Inner L‐Shape Ring Hot Rolling Process

Wang¹,

Guan²

2017

Mathematical Problems in Engineering

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In order to make the inner L-shape ring polling process with a closed die structure (ILRRCDS) on the top and bottom of the driven roll stable, at first, this paper established the mathematical model for ILRRCDS. Then, the plastic penetration and biting-in conditions for ILRRCDS were deduced based on plain ring rolling theory. Moreover, a feeding strategy that can realize a constant growth of the ring's outer radius was proposed and the reasonable value ranges of the feed rate of the mandrel were determined. The numerical simulation model for ILRRCDS is established based on ABAQUS software. Finally, the equivalent plastic strain (PEEQ) and temperature distributions of rolled ring were obtained. The results indicated that the proposed feeding strategy can realize a stable ILRRCDS. At the end of ILRRCDS, the PEEQ at the inner radius surface of the ring is maximum, the PEEQ at the outer radius surface of the ring takes the second place, and the PEEQ at the middle part of ring is minimum. With the increase of rolling time, the higher temperature zone of the rolled ring gradually moves from the center part of the ring to the "inner corner zone" of the ring.

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“…To make the ring produce plastic deformation, the penetrating condition in radial and axial deformation areas should be met [25]. Furthermore, to make rolling process stable, a steady forming condition for RARR should be guaranteed [26]. In the process of real manufacturing, waste ring product with distorted shape is an important problem, as shown in Fig.…”

Section: Introductionmentioning

confidence: 99%