Simulation of Mannesmann piercing process by the three-dimensional rigid-plastic finite-element method

Komori, Kazutake

doi:10.1016/j.ijmecsci.2005.07.009

Cited by 44 publications

(39 citation statements)

References 15 publications

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“…Due to the complex material flow, piercing processes should be modelled in three-dimensional state of strain conditions. Pietsch and Thievien [3], Ceretti et al [4], and Komori [5] were the first to perform the three-dimensional modelling of the piercing process. However, the numerical models developed by the mentioned authors were based on significant simplifications -for instance, thermal phenomena occurring in the material were omitted, the calculations were limited only to the initial or steady state of the piercing process, or they assumed that the material being formed is ideally plastic.…”

Section: Introductionmentioning

confidence: 99%

Complex Numerical Analysis of the Tube Forming Process Using Diescher Mill

Pater¹,

Kazanecki²

2013

Archives of Metallurgy and Materials

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This paper presents the results of FEM simulations of the rotary piercing process in which disc guiding devices of the Diescher type are used. During this process the material is formed by means of two skew rolls, two guiding devices, and the piercing plug mounted on the mandrel. The aim of the analysis was to determine the effect of the plug diameter, the plug advance, the feed angle and the diameter reduction on the piercing process. Nine cases of piercing with three different plugs used were analyzed. The effects of the basic process parameters on the tube shell diameter and the tool load were analyzed. The numerical results obtained using Simufact.Forming 10.0 were verified under experimental conditions in which the tube shell made from 100Cr6 bearing steel was pierced. The results of the FEM calculations show agreement with the experimental results.Keywords: tube piercing, Diescher mill, FEM analysis, experiment W artykule zaprezentowano wyniki symulacji numerycznych procesu dziurowania tulei w walcarce skośnej z prowadnicami tarczowymi Dieschera. W procesie tym materiał jest kształtowany w wyniku oddziaływania dwóch ustawionych skośnie walców, dwóch prowadnic oraz główki dziurującej montowanej na trzpieniu. Celem analizy było określenie wpływu średnicy główki, wysunięcia główki, kąta zukosowania walców oraz gniotu na przebieg procesu dziurowania. Przeanalizowano dziewięć przypadków kształtowania, w których wykorzystano trzy rożne główki dziurujące. Określono wpływ podstawowych parametrów procesu na średnicę tulei kształtowanej oraz obciążenie poszczególnych narzędzi. Wyniki symulacji numerycznej otrzymanej w programie Simufact.Forming 10 zweryfikowano w warunkach doświadczalnych, w których dziurowano tuleje ze stali łożyskowej w gatunku 100Cr6. Rezultaty obliczeń MES pozostawały w dobrej zgodności z wynikami uzyskanymi z doświadczeń.

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Section: Introductionmentioning

confidence: 99%

Complex Numerical Analysis of the Tube Forming Process Using Diescher Mill

Pater¹,

Kazanecki²

2013

Archives of Metallurgy and Materials

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“…However, given the nature of metal flow, these processes should be simulated in a threedimensional state of strain. In recent years, the threedimensional modeling of rotary piercing was investigated by Pietisch and Thieren [4], Ceretti et al [5] and Komori [6]. Nonetheless, the numerical models developed by the above authors are based on numerous simplifications; for instance, they do not take into account thermal phenomena occurring in the metal being formed [4][5][6], or they are limited to either the steady-state [6] or outset of the process [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…In recent years, the threedimensional modeling of rotary piercing was investigated by Pietisch and Thieren [4], Ceretti et al [5] and Komori [6]. Nonetheless, the numerical models developed by the above authors are based on numerous simplifications; for instance, they do not take into account thermal phenomena occurring in the metal being formed [4][5][6], or they are limited to either the steady-state [6] or outset of the process [4,5]. Given the above shortcomings, the researchers from the Lublin University of Technology attempted to model a complete piercing process in skew rolls, with the investigation of accompanying thermal phenomena included in the analysis.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of a Rolling Process for Producing Steel Balls Using Helical Rolls

Chyła

Pater

Tomczak

2016

Archives of Metallurgy and Materials

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This paper presents the research results of the balls rolling process according to the conventional and modified methods of rolling. Theoretical analysis was carried out by using numerical methods based on the Finite Element Method. The Simufact package version 10.0 were used for calculation. Simulations of balls rolling were carried out under conditions of 3D state of strain, taking into account the effect of thermal conditions occurring during forming. The study of the achieved results showed that the best rolling process parameters were obtained for the modified method, in which the feed material is heated up to 1150 °C. In this case, the rolling parameters such as: rolling force and torque as well as tool wear reached the smallest values.

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“…It seems that the ideal solution of this problem is numerical modelling of the skew rolling process in such way that it will be possible to determine the distributions of stress and temperatures in the piercing plug. In recent years, few models of the piercing process in skew rolling mill have been worked out [2][3][4][5]. However, these models had a lot of simplifications connected e.g.…”

Section: Introductionmentioning

confidence: 99%