Papers

The analysis of the influence of plug shape and its position on piercing process in skew rolling mill

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The analysis of the influence of plug shape and its position on piercing process in skew rolling mill Jan Kazanecki1, Zbigniew Pater2, Jarosław Bartnicki2 1AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. 2Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0159 Abstract: In this paper the results of FEM simulations … Read more

Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling

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Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling Sergey A. Aksenov1, Jiri Kliber1, Evgeniy N. Chumachenko2 1VŠB Technical University of Ostrava, Czech Republic. 2Moscow Institute of Electronics and Mathematics, Russia. DOI: https://doi.org/10.7494/cmms.2007.2.0141 Abstract: The paper deals with comparison of 3D and 2.5D finite element simulation principles using modeling of … Read more

Edge detection and filtering approach dedicated to microstructure images analysis

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Edge detection and filtering approach dedicated to microstructure images analysis Łukasz Rauch, Jan Kusiak AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0160 Abstract: The processing of microstructure images dedicated to detection of the borders between material grains is still a difficult task. It is basically caused by a superimposed noise … Read more

Computer modeling of the facing by resistance sintering of metal powders

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Computer modeling of the facing by resistance sintering of metal powders Zbigniew Zimniak, Zbigniew Bartnik Institute of Production Engineering and Automation, Wroclaw University of Technology,ul. Łukasiewicza 5, 50-371 Wroclaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0142 Abstract: Pure, alloy and composite metal powders are used for facing by resistance sintering (based on resistance welding principles). Facings produced in this … Read more

Filtering of industrial data using the artificial neural networks

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Filtering of industrial data using the artificial neural networks Andrzej Stanisławczyk1, Jolanta Talar1, Piotr Jarosz2, Jan Kusiak1 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology.2Faculty of Non-Ferrous Metals, AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2007.2.0161 Abstract: The form of registered data (superimposed by the measurement noise) and the … Read more

Computational modeling of centrifugal casting of alumina matrix composite reinforced with crystalline particles

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Computational modeling of centrifugal casting of alumina matrix composite reinforced with crystalline particles Roman Zagórski Department of Electrotechnology, Faculty of Materials Science and Metallurgy, Silesian University of Technology, ul. Krasińskiego 8, 40-019, Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0143 Abstract: The centrifugal casting of alumina matrix composite reinforced with crystalline particles (SiC) are studied. The influence of cast … Read more

Application of bayesian network in the diagnosis of hot-dip galvanising process

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Application of bayesian network in the diagnosis of hot-dip galvanising process Barbara Mrzygłód1, Anna Adrian1, Stanisława Kluska-Nawarecka1,2, Robert Marcjan3 1AGH UST, Department of Industrial Computer Science. 2Center of Competence for Advanced Foundry Technology in Cracow. 3AGH UST, Department of Computer Science. DOI: https://doi.org/10.7494/cmms.2007.2.0163 Abstract: This study presents an output of the application of a probabilistic … Read more

An influence of some process parameters on lateral forces in forging dies

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An influence of some process parameters on lateral forces in forging dies Andrzej Kocańda, Piotr Czyżewski Institute of Materials Processing, Warsaw University of Technology,Narbutta 85, 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0144 Abstract: The lateral forces are relatively high in production of nonsymmetrical or extended forgings what results in an offset of the upper and lower dies. … Read more

Influence of forging parameters on tool temperature in hot forging

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Influence of forging parameters on tool temperature in hot forging Akihiro Minami1, Yasuo Marumo2, Hiroyuki Tanaka2 , Liqun Ruan2 , Hiroyuki Saiki2 1Department of Mechanical Engineering, Ariake National College of Technology,150 Higashihagio, Omuta, Fukuoka 836-8585, Japan.2Department of Mechanical System Engineering, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan. DOI: https://doi.org/10.7494/cmms.2007.2.0145 … Read more

Modeling of hot rolling 6061 aluminum alloy – state variables and grain size predictions

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Modeling of hot rolling 6061 aluminum alloy – state variables and grain size predictions Luigi De Pari jr., Alexander r. Bandar, William H. Van Geertruyden, Wojciech Z. Misiolek Institute For Metal Forming, Lehigh University,Bethlehem, PA, USA. DOI: https://doi.org/10.7494/cmms.2007.1.0114 Abstract: Numerical modeling of hot rolling 6061 aluminum alloy was performed in order to predict state variables: … Read more