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1 Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

1 2006

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Optimal cooling of a shaped roll

Petruska J., Horsky J., Vavrecka L.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2006

z. 31

127-130

Design of optimal configuration of cooling nozzles of a grooved roli for U-profile rolling is presented in the paper. Prolongation of the roli life is the aim of the work, which should be reached by elimination of extreme values of thermal stress, causing initiation and growth of fatigue cracks. The task was solved as a sequence of several types of coupled computational problems together with a number of simplifying presumptions, which enabled an efficient analysis of the complex problem. The results enabled a rational assessment and selection of such nozzle configuration that seems to be the best one for the profile roli cooling.