NON-STATIONARY HEATING OF SHELL MOULDS IN THE PROCESS OF MANUFACTURE OF ARTIFICIAL LEATHERS

Abstract eng:
Efficient manufacture of artificial leathers of extensive and complicated shapes in the company Magna Exteriors & Interiors (Bohemia), s.r.o., used for example in sandwich switchboards in cars, is a very complex engineering problem. To achieve satisfactory precision and stability of a production process of artificial leathers, it is necessary to apply special methods and procedures. Considering heating is realized by means of a large number of infra-red emitters, both the heating of the moulds and finally their abrupt cooling are very dynamic thermal processes. The paper deals with a possible prediction of non-stationary thermal processes in the shell moulds by means of finite element method. The discussed problems are part of innovation activities realized within the project MPO TIP 2009 registered under the registration number FR-TI1/266.

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