Tool changing device and corresponding process

Details Tool changing device and corresponding process Tool changing device and corresponding process

B - Operations, Transporting

22

C

B22C 13/08 (2006.01)

Patent

CA 2190372

A tool changing device for changing model boards in the production of Croning masks, in which the model board in use is at a working temperature of some 250 to 330°C, is designed for rapid and simple changing in such a way that there 18 a preheating device for preparing a replacement model board which maintaing said board at working temperature. A corresponding process is also given.

L'invention concerne un dispositif de changement d'outil qui permet de changer des plaques-modèles dans la fabrication de carapaces selon le procédé Croning, où la plaque-modèle (1) utilisée est à une température de travail comprise environ entre 250 et 330 ~C. Afin de pouvoir changer rapidement et aisément les plaques-modèles, il est prévu un dispositif de préchauffage (3) servant à préparer une plaque-modèle (2) de rechange, qui maintient ladite plaque-modèle (2) de rechange à la température de travail. L'invention concerne par ailleurs un procédé correspondant.

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