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Dispositif de serrage destiné à fixer une ébauche d'une aube de turbine dans une machine de traitement, notamment dans une fraiseuse
Dispositif de serrage destiné à fixer une ébauche d'une aube de turbine dans une machine de traitement, notamment dans une fraiseuse
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摘要
The method involves fixing a blank (2) between clamping bars (7) of a tensioning device (1) for processing the blank, and forming a center hole and a blind hole in end faces of the blank. The center and blind holes are engaged with pencil-shaped molds (16) of the tensioning device during clamping of the blank. The clamping bars are set facing toward side wise clamping surfaces. The blank is pressed by the pencil-shaped molds. A cross bar (15) is moved against spring force from the blank. An independent claim is also included for a tensioning device for tensioning a blank in a processing machine i.e. milling machine, including an opening.
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