Study on plastic deformation in cone-type rotary piercing process using model piercing mill for modeling clay

Komori, Kazutake; Mizuno, Kouta

doi:10.1016/j.jmatprotec.2009.01.022

Cited by 21 publications

(13 citation statements)

References 12 publications

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“…For example, Komori and Mizumo [9] used physical modelling (and deformed clay specimens) to determine the effect of the basic parameters on the course of piercing by means of the conical rolls. Ghiotti et al [10] used the Forge software to model the barrel-type rotary piercing process (without the use of the piercing plug) and thus to determine the moment in which material cracking occurs in the product being formed.…”

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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“…In the past, however, the tests of processes modeling with the application of plasticine were considered. And so the problem of physical modeling of the rolling process in the planetary system of three rolls and rolling rings is described in the articles [6,14,15]. Modeling of rolling using screw rolls was taken by the team of N. R. Chitkara in 1975 [3], which conducted a physical analysis of the process of balls forming using plasticine as a material model.…”

Section: Analysis Of Issuesmentioning

confidence: 99%

Physical Analysis of Cross-Wedge Rolling Process of a Stepped Shaft

Wójcik¹,

Pater²

2017

Adv. Sci. Technol. Res. J.

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The paper presents experimental-model research results on the process of cross-wedge rolling of an axially-symmetrical element (stepped shaft). During research plastic mass on the basis of waxes in black and white colour was used. The aim of this experimental research was to determine the best option of forming in terms of values obtained and the course of forces. Physical examination was carried out using specialist machines, i.e. model and a laboratory cross-wedge rolling mill. Experimental analysis was carried out using billets with the temperature of 15°C, whereas the actual process was carried out for billet from C45 carbon steel of temperature 1150°C. The study compared the dimensions of the components obtained during rolling tests and forming forces obtained in the result of physical modeling with forces obtained during real tests.

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“…Welded pipes are manufactured by bending and welding metal sheets while seamless pipes are produced using piercing process. Seamless pipes are more commonly used in old and gas industries than welded pipes due to their higher reliability [1]. In rotary piercing process, a heated cylindrical workpiece is fed into a plug by the action of two skewed rolls which rotates in the same direction.…”

Section: Introductionmentioning

confidence: 99%

“…The workpiece has a fluid-like behavior due to its high workability and large deformation during the process. The results of the numerical simulations are compared to the empirical data available in the open literature [1,3,10,11].…”

Section: Introductionmentioning

confidence: 99%

3D Numerical Simulation of Seamless Pipe Piercing Process by Fluid-Structure Interaction Method

Topa¹,

Kim

2018

MATEC Web Conf.

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Seamless pipes are produced using piercing rolling process in which round bars are fed between two rolls and pierced by stationary plug. During this process, the material undergoes severe deformation which renders it impractical to perform the numerical simulations with conventional finite element methods. In this paper, three dimensional numerical simulations of the piercing process are performed with Fluid-Structure Interaction (FSI) Method using Arbitrary Lagrangian-Eulerian (ALE) Formulation with LS DYNA software. The results of numerical simulations agree with experimental data of Plasticine workpiece and the validity of the analysis method is confirmed.

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Study on plastic deformation in cone-type rotary piercing process using model piercing mill for modeling clay

Cited by 21 publications

References 12 publications

Complex Numerical Analysis of the Tube Forming Process Using Diescher Mill

Complex Numerical Analysis of the Tube Forming Process Using Diescher Mill

Physical Analysis of Cross-Wedge Rolling Process of a Stepped Shaft

3D Numerical Simulation of Seamless Pipe Piercing Process by Fluid-Structure Interaction Method

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