Spindle for machining accurate inner grooves

Details Spindle for machining accurate inner grooves Spindle for machining accurate inner grooves

B - Operations, Transporting

23

D

B23D 43/02 (2006.01)

Patent

CA 2389576

The invention concerns a spindle (1) for machining inner grooves and comprising a cylindrical input guide (15) of diameter D1 and a cutting portion (20). Said spindle is characterised in that the cutting portion (20) is subdivided into a plurality of cutting sections (25) separated by realigning guides (26) having a diameter equal to diameter D1 of the input guide (15), so as to accurately centre the grooves relative to the hole previously machined in the workpiece (30).

L'invention propose une broche (1) pour usiner des cannelures intérieures et comportant un guide d'entrée (15) cylindrique de diamètre D1 et une section coupante (20). Une telle broche est remarquable en ce que la section coupante (20) est subdivisée en une pluralité de tronçons coupants (25) séparés par des guides de recentrage (26) ayant un diamètre Image

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