Ignition device for explosive forming

Details Ignition device for explosive forming Ignition device for explosive forming

B - Operations, Transporting

21

D

B21D 26/12 (2006.01) B21D 26/08 (2006.01)

Patent

CA 2688133

The invention relates to an ignition device (1) for explosively forming workpieces (23) in a forming tool (4) comprising an ignition mechanism (5) and an ignition tube (2), the ignition tube (2) guiding the explosion ignited by the ignition mechanism (5) into the workpiece (23) placed in the forming tool (4). The device is improved so as to allow a more easily manageable arrangement of the ignition mechanism (5) and forming tool (4) in practice that is suitable for the explosive forces arising. The aim of the invention is achieved by an ignition device (1) wherein a curved guide (3) is provided between the ignition mechanism (5) and the forming tool (4).

L'invention concerne un dispositif d'allumage (1) pour le formage par explosion de pièces d'usinage (23) dans un outil de formage, ce dispositif comportant un mécanisme d'allumage (5) et un tube d'allumage (2), le tube d'allumage (2) guidant l'explosion provoquée par le mécanisme d'allumage (5) dans la pièce d'usinage (23) placée dans l'outil de formage (4). L'invention vise à améliorer ce dispositif de façon à ce qu'il permette, dans la pratique, un agencement favorisant la manipulation du mécanisme d'allumage (5) et de l'outil de formage (4) et adapté aux forces de l'explosion en présence. À cet effet, le dispositif d'allumage (1) présente un dispositif de guidage de coude (3) entre le mécanisme d'allumage (5) et de l'outil de formage (4).

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