Abstract
The glass mass which is to be shaped in a viscous condition has to be cooled by the forming elements — mold, plunger, finish, bottom-plate and other — to the point where shape is preserved when it leaves the machine. The large amount of heat that must be removed during the molding process is dissipated in various ways:
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1.
Natural air cooling. Limited heat loss of the metal mold permits only moderate production rates. This method ist used in hand shops, especially for blowing of hollow glass.
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2.
Artificial cooling by periodic dipping in water. Wood or graphite molds are used “cold”: a water vapor film between mold and glass serves as a separating and gliding layer.
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3.
Forced air cooling by jets (one or more) impinging on the mold wall vertically or at an angle. This is the most widespread method in hollow glass manufacture since it is relatively simple.
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© 1969 Springer-Verlag Berlin Heidelberg
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Giegerich, W., Wille, R. (1969). Mold Cooling. In: Giegerich, W., Trier, W. (eds) Glass Machines. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-28676-0_10
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DOI: https://doi.org/10.1007/978-3-662-28676-0_10
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