Hot runner including nozzle-support structure

Details Hot runner including nozzle-support structure Hot runner including nozzle-support structure

B - Operations, Transporting

29

C

B29C 45/18 (2006.01)

Patent

CA 2721930

Disclosed is a hot runner (100), including: a first plate (102) having a first- plate alloy; a second plate (104) having a second-plate alloy, the second plate (104) being coupled with the first plate (102), and the second plate (104) and the first plate (102) defining a manifold pocket (213); a manifold (224) being supportively received in the manifold pocket (213), and the mani-fold (224) having a drop (225); a nozzle assembly (400) being supportively received by the second plate (104), the nozzle assem-bly (400) connecting with the drop (225) of the manifold (224); and a nozzle- support structure (101), including: a first load-bear-ing insert (207) contacting the second plate (104), the first load-bearing insert (207) contacting the nozzle assembly (400), the first load-bearing insert (207) having a first insert material being stronger than the second-plate alloy of the second plate (104), the first insert material being strong enough to withstand a first high-point load (150) to be transmitted from the nozzle assembly (400) to the second plate (104) via the first load-bearing insert (207), and the second- plate alloy of the second plate (104) withstands trans-mission of the first high-point load (150) once the first load-bearing insert (207) distributes the first high-point load (150) to the second plate (104).

L'invention porte sur un canal de coulée chauffé (100), comprenant : une première plaque (102) comportant un alliage de première plaque ; une seconde plaque (104) comportant un alliage de seconde plaque, la seconde plaque (104) étant couplée à la première plaque (102), et la seconde plaque (104) et la première plaque (102) définissant une poche de répartiteur (213) ; un répartiteur (224) qui est reçu et supporté dans la poche de répartiteur (213), et le répartiteur (224) comportant une chute (225) ; un ensemble buse (400) qui est reçu et supporté par la seconde plaque (104), l'ensemble buse (400) étant relié à la chute (225) du répartiteur (224) ; et une structure de support de buse (101), comprenant : un premier insert de support de charge (207) venant en contact avec la seconde plaque (104), venant en contact avec l'ensemble buse (400) et comportant un premier matériau d'insert qui est plus robuste que l'alliage de seconde plaque de la seconde plaque (104), le premier matériau d'insert étant suffisamment robuste pour supporter une première charge ponctuelle élevée (150) devant être transmise de l'ensemble buse (400) à la seconde plaque (104) par l'intermédiaire du premier insert de support de charge (207), et l'alliage de seconde plaque de la seconde plaque (104) supportant une transmission de la première charge ponctuelle élevée (150) une fois que le premier insert de support de charge (207) a distribué la première charge ponctuelle élevée (150) à la seconde plaque (104).

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