Sealing Technology For Vacuum Applications Working By Increased Temperatures
CURRENT METHODS OF CONSTRUCTION DESIGN(2020)
Abstract
This article is focused to design of vacuum chamber for deep drawing machine working by high temperatures. The high temperatures are demanding because of use of molybdenum sheet, which should be drawn by temperatures approx. 300 degrees C. The thermal analysis is important for the correct design of the deep drawing machine for two reasons: The first is the correct temperature of the molded material-molybdenum sheet and the second is the temperature around the seals of vacuum chamber. The simulation forms the basis for selecting the appropriate type of seals. The result of the simulation is a thermal field of working components: the punch, the die, the blank holder, the working plate, and the working table. The second important analysis result is the temperatures of components, which are in contact with seals in particular places.
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Key words
Molybdenum, Vacuum, Sealing, Deep drawing
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