Process and device for detecting and compensating for...

B - Operations – Transporting – 23 – B

Patent

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B23B 49/00 (2006.01) B23B 29/034 (2006.01) B23Q 17/22 (2006.01) G01B 5/10 (2006.01) G01B 7/12 (2006.01) G01B 7/14 (2006.01) G01B 11/08 (2006.01)

Patent

CA 2199244

The invention relates to a process and device for detecting and/or compensating for static jointing and wear errors in the fine drilling of workpieces by means of an adjusting tool (18) bearing an adjustable cutting insert (28) and capable of being clamped to a machine shaft (14). According to the invention, before a drilling or a series thereof is made, the diameter of the circle of travel of a radially outer cutting edge (44) of the cutting insert (28) is measured on the clamped adjusting tool with the machine shaft (14) rotating and evaluated within the adjusting tool (18) for adjustment purposes.

L'invention concerne un procédé et un dispositif permettant de détecter et/ou de corriger des défauts statistiques de jointure et de défauts statistiques dus à l'usure de l'outil lors d'opérations de perçage de précision de pièces à l'aide d'un outil de réglage (18) portant une plaquette (28) déplaçable dans le sens radial, et pouvant être monté par serrage sur un arbre de machine (14). Selon l'invention, il est prévu, avant d'effectuer un alésage ou une série d'alésages, de mesurer sur l'outil de réglage monté par serrage, lorsque l'arbre de la machine (14) tourne, le diamètre de balayage circulaire d'une arête coupante (44) de la plaquette, ladite arête étant située à l'extérieur dans le sens radial, et d'évaluer ledit diamètre de balayage dans l'outil de réglage (18), en vue de corriger le réglage.

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