Bottero S.p.a.

Salvatore Cantoro

Giovanni Vidotto

Andrea Tonda Roch

Mario Balbi

The corners of a sheet of glass travelling in a longitudinal direction are ground by a corner bevelling assembly having a fixed frame; a movable frame; a grinding wheel; a supporting arm supporting the grinding wheel and fitted to the movable frame; and an actuating device interposed between the fixed frame and the movable frame, and having a first powered guide-slide assembly for moving the movable frame in a direction parallel to a longitudinal travelling direction of the sheet, and a second powered guide-slide assembly for moving the movable frame with respect to the fixed frame in a transverse direction perpendicular to the longitudinal direction; the corner bevelling assembly also having a reference locator which, in use, is positioned against a longitudinal lateral surface, parallel to the longitudinal direction, of the sheet; a relative-motion assembly for enabling movement, parallel to the transverse direction, of the reference locator with respect to the supporting arm; and a device for detecting the position of the reference locator with respect to the supporting arm.

Corner bevelling assembly for bevelling corners of glass sheets

The corners of a sheet of glass travelling in a longitudinal direction are ground by a grinding assembly having a fixed frame; a movable frame; a grinding wheel; a supporting arm supporting the grinding wheel and fitted to the movable frame; and an actuating device interposed between the fixed frame and the movable frame, and having a first powered guide-slide assembly for moving the movable frame in a direction parallel to a longitudinal travelling direction of the sheet, and a second powered guide-slide assembly for moving the movable frame with respect to the fixed frame in a direction perpendicular to the longitudinal direction; the grinding assembly also having a locator fixed to the supporting arm and defining a stop to keep the sheet at a distance from the grinding wheel; and a compensating device interposed between the supporting arm and the movable frame, and having a third guide-slide assembly and a flexible controlled-damping device.

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Salvatore Cantoro