Internally cooled tool pack

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 22/28 (2006.01) B21D 37/16 (2006.01) B21D 51/26 (2006.01)

Patent

CA 2465036

A can forming tool pack (2) includes internally cooled die modules (4, 6, 8). Each die module includes at least one die nib (14, 16, 18, 20, 22) held in a case. Fluid cooling medium is supplied to multiple inlets (24, 26, 28, 30) provided circumferentially in each case. The cooling fluid is channeled from the inlets through clearances (42, 44, 46, 48, 50) between an outer surface of the die nib and the case to cool the die nib. Outlets (34, 36, 38, 40) are spaced circumferentially around the case to return the cooling fluid to the medium supply.

L'invention concerne une machine outil (4) destinée à la formation de boîtes comprenant des modules de filière à refroidissement interne (4, 6, 8). Chaque module de filière comprend au moins une plaquette de filière (14, 16, 18, 20, 22) située dans un logement. Un liquide de refroidissement est fourni à plusieurs entrées (24, 26, 28, 30) placées de manière circonférentielle dans chaque logement, espacées de manière symétrique autour du logement. Le liquide de refroidissement est guidé à partir des entrées dans des espaces libres (42, 44, 46, 48, 50) situés entre une surface extérieure de la plaquette de filière et le logement afin de refroidir ladite plaquette de filière. Des sorties (34, 36, 38, 40) sont espacées de manière circonférentielle autour du logement afin de renvoyer le liquide de refroidissement à l'alimentation en liquide de refroidissement.

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