Grinding-spindle unit with magnetic drive

Details Grinding-spindle unit with magnetic drive Grinding-spindle unit with magnetic drive

B - Operations, Transporting

24

B

B24B 47/12 (2006.01) B23Q 5/10 (2006.01) B24B 19/12 (2006.01) B24B 41/04 (2006.01)

Patent

CA 2338362

The invention relates to a drive for a grinding wheel of a cam-grinding machine, in which case an electric motor is provided with a drive wheel, the drive wheel is provided with equispaced, annular recesses, the annular recesses are fitted on the radial surfaces with permanent magnets, a grinding-spindle rotor is provided with equispaced, annular recesses, the radial surfaces of the annular recesses are fitted with permanent magnets, and the annular recesses, fitted with permanent magnets, of the drive wheel and the rotor intermesh.

L'invention concerne un entraînement pour une meule d'une machine à rectifier les cames, dans lequel est disposé un moteur électrique pourvu d'une roue d'entraînement (3), laquelle est munie d'encoches (30) annulaires espacées régulièrement, les encoches annulaires (30) sont dotées d'aimants permanents (22) sur leurs surfaces radiales, un rotor (4) de broche porte-meule est pourvu d'encoches annulaires (29) espacées régulièrement, les surfaces radiales de ces encoches annulaires (29) sont équipées d'aimants permanents (23), et les encoches annulaires (30), équipées d'aimants permanents (22), de la roue d'entraînement (3) et du rotor (4) s'engrènent.

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