B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 49/04 (2006.01) B23Q 17/20 (2006.01) B24B 5/04 (2006.01) B24B 5/14 (2006.01) B24B 49/02 (2006.01) B24B 49/00 (2006.01)
Patent
CA 2352754
The invention relates to a method for controlling the process during rough grinding of a workpiece (2) in which, according to the invention, the workpiece (2) is measured during grinding by a sensor (13) to ascertain an actual size, and the measured actual size is corrected in a continuously automatic manner to attain a predetermined specified size according to grinding time. The invention also relates to a grinding machine which is provided for carrying out the method and which comprises a grinding wheel (10) for rough grinding a workpiece (2) on a grinding spindle head. The grinding machine also has a sensor (13) for detecting a ground workpiece dimension, and comprises a machine control, whereby the workpiece (2) is held between a workpiece spindle (1A) and a tail spindle (4A). According to the invention, the sensor (13) is arranged primarily in a plane formed by the contact area of the grinding wheel (10) which turns on the workpiece (2), and during rough grinding, said sensor continuously transmits measurement signals to the machine control. Said machine control controls the grinding wheel (10) based on these signals in such a way that the grinding process can be executed as an in-process control.
L'invention concerne un procédé pour la commande de processus lors de la rectification d'écroûtage d'une pièce (2), dans lequel la cote réelle de la pièce (2) est mesurée à l'aide d'un capteur (13) pendant le meulage et corrigée automatiquement et de manière continue afin d'atteindre une cote nominale spécifiée, dépendant du temps de meulage. L'invention concerne également une rectifieuse pour l'exécution du procédé, qui comporte une meule (10) servant à la rectification d'écroûtage d'une pièce (2) sur une poupée porte-meule, un capteur (13) détectant une dimension de pièce meulée ainsi qu'une commande de machine et dans laquelle la pièce (2) est maintenue entre une broche porte-pièce (1A) et un fourreau de contrepointe (4A). Selon l'invention, le capteur (13) se situe pratiquement dans un plan formé par la zone de prise de la meule (10) tournant sur la pièce (2) et il transmet, de manière continue pendant la rectification d'écroûtage, des signaux de mesure à la commande de machine qui, pour sa part, manoeuvre la meule (10) sur la base de ces signaux de sorte que la procédure de rectification peut s'exécuter sous forme de commande en temps réel.
Erwin Junker Maschinenfabrik Gmbh
Fetherstonhaugh & Co.
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