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Open AccessArticle

An Innovative Method for Forming Balls by Cross Rolling

Department of Computer Modelling and Metal Forming Technologies, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
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Materials 2018, 11(10), 1793; https://doi.org/10.3390/ma11101793
Received: 20 August 2018 / Revised: 18 September 2018 / Accepted: 19 September 2018 / Published: 21 September 2018
The paper describes an innovative cross rolling method that enables the production of six balls at the same time, each ball with a diameter of 100 mm. The principle of the proposed rolling technique is discussed and the tools used in this forming process are described. Two variations of the proposed method for producing balls were investigated, one performed with the use of flat tools and the other with the use of two rolls. Results of the numerical modelling are discussed. They clearly demonstrate that the proposed method can be used to produce balls with large diameters. Rolling experiments were performed under laboratory conditions to produce 40 mm diameter balls, i.e., in the 1:2.5 scale. The experimental findings show a good qualitative agreement with the numerical results. View Full-Text
Keywords: cross rolling; steel balls; fem; experiment cross rolling; steel balls; fem; experiment
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MDPI and ACS Style

Pater, Z.; Tomczak, J.; Bulzak, T. An Innovative Method for Forming Balls by Cross Rolling. Materials 2018, 11, 1793. https://doi.org/10.3390/ma11101793

AMA Style

Pater Z, Tomczak J, Bulzak T. An Innovative Method for Forming Balls by Cross Rolling. Materials. 2018; 11(10):1793. https://doi.org/10.3390/ma11101793

Chicago/Turabian Style

Pater, Zbigniew; Tomczak, Janusz; Bulzak, Tomasz. 2018. "An Innovative Method for Forming Balls by Cross Rolling" Materials 11, no. 10: 1793. https://doi.org/10.3390/ma11101793

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