B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/80 (2006.01) B29C 45/84 (2006.01)
Patent
CA 2098210
In the case of an injection-molding machine with mold-protecting device, every time the machine is started up a predetermined number N of injection-molding cycles are run at a greatly reduced machine speed in order to allow the mold-protecting device to be operated with increased sensitiveness during these cycles. If no trouble occurs during the said N cycles, the machine speed is increased to operating speed, either abruptly or continuously, and the mold-protecting device is either switched off or operated thereafter with adapted sensitivity.
L'invention concerne une machine de moulage par injection dotée d'un dispositif de protection du moule. € chaque démarrage de la machine, on procède à un nombre prédéterminé N de cycles de moulage par injection à vitesse fortement réduite afin de permettre au dispositif de protection du moule de fonctionner avec une plus grande sensibilité au cours de ces cycles. Si aucun incident ne survient au cours des N cycles, on amène tout d'un coup ou progressivement la machine à la vitesse d'utilisation, et le dispositif de protection est soit arrêté, soit utilisé au niveau de sensibilité adapté.
Cassan Maclean
Herbst Richard
LandOfFree
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