Device to receive tools for the calibration of workpieces...

Details Device to receive tools for the calibration of workpieces... Device to receive tools for the calibration of workpieces...

B - Operations, Transporting

22

F

B22F 3/03 (2006.01) B29C 43/14 (2006.01)

Patent

CA 2540012

The device serves to receive a tool for calibrating of workpieces (83), preferably workpieces manufactured by a powder metallurgical process. On the example shown the tool comprises the lower stamps (77, 78, 79) and the upper stamps (80, 81, 82) located on tool supports (31, 32, 33; 31', 32', 33'). These stamps may be moved up and down individually or together parallel to the axis (40). Also movable up and down is the tool support (41) on which, if required, a center pin (85) is mounted. The device is particularly suitable for the calibration of complicated workpieces, such as represented for example by the workpiece (83) having the form of a body of rotation.

L'invention concerne un dispositif de support pouvant recevoir un outil servant à calibrer des pièces (83), et de préférence des pièces produites au moyen d'un procédé de métallurgie des poudres. Dans l'exemple illustré, l'outil comprend des matrices inférieures (77, 78, 79) et des matrices supérieures (80, 81, 82) installées sur des porte-outils (31, 32, 33; 31', 32', 33'). Ces matrices peuvent être déplacées séparément ou conjointement vers le haut et vers le bas, parallèlement à l'axe (40). Le porte-outil (41) peut également être déplacé vers le bas et vers le haut, et peut en outre comporter un axe (85) central, lequel est monté sur le porte-outil si nécessaire. Ce dispositif convient en particulier pour le calibrage de pièces compliquées, comme par exemple les pièces (83) présentant la forme d'un corps rotatif.

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