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Analysis of tube deformation process in a new pilger cold rolling process

Pociecha D., Boryczko B., Osika J., Mroczkowski M.

Archives of Civil and Mechanical Engineering

2014

Vol. 14, no. 3

376--382

The paper presents the results of an experiment and numerical simulation in a new pilger tube cold-rolling process, in which the rolling stand is stationary and the rolled tube is placed on a slide and between the rollers. The experiment was conducted in a laboratory pilger mill operating according to a new concept of rolling. Numerical simulations were performed with the registration of the entire history of deformation of the rolled tube. Despite a simplification in the mathematical modelling, the obtained results were very similar to the experiment results. Pilger rolling, carried out according to a new concept, can be successfully used for the industrial production of non-ferrous metal pipes. Pipes obtained after the rolling process are suitable for further processing or for direct sale. Particular attention, however, should be paid to ensure sufficient structural rigidity in the mill, as well as to the quality and accuracy of the tools used in the pilger process.