Method and device for compensating for positional and shape...

G - Physics – 05 – B

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G05B 19/401 (2006.01) B23Q 15/22 (2006.01)

Patent

CA 2625402

A method for compensation for positional and shape deviations in NC-controlled cutting production machines, comprises the following steps: a) cutting a new workpiece, b) machining the workpiece with the nominal data from the NC- programme, c) recording the set deviation, d) optimising the NC-programme with the recorded data, e) repetition of the iterative steps a) to d) until the required positional and/or shape tolerances are achieved. The invention further relates to an NC-controlled cutting production machine with a device for compensation of positional and/or shape deviations in workpieces. The above avoids the conventional problems and provides an economical solution with reduced production costs.

L'invention concerne un procédé servant à compenser des écarts de position et/ou de forme dans des machines de production par enlèvement de copeaux à commande numérique. Le procédé selon l'invention présente les étapes suivantes : a) fixation d'une nouvelle pièce ; b) usinage de la pièce au moyen des données nominales du programme de commande numérique ; c) détection de l'écart entre la valeur de consigne et la valeur réelle ; d) optimisation du programme de commande numérique au moyen des données acquises ; e) répétition des étapes itératives a) à d) jusqu'à ce que les tolérances de position et/ou de forme requises soient atteintes. L'invention concerne également une machine de production par enlèvement de copeaux à commande numérique, qui comprend un dispositif pour la compensation d'écarts de position et/ou de forme dans des pièces. L'invention permet de remédier aux inconvénients de l'état de la technique et fournit une solution économique réduisant les frais de fabrication.

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