Patent ID: 6332827
Filing Date: 2001-12-25
Classification: B24B

Abstract:
A spectacle lens machining apparatus, havinga housing,a machining chamber in the housing,a spectacle lens holding shaft and a machining device in the machining chamber,a flap outwardly sealing the machining chamber when the flap is in a closed position,a lens holder cooperating with the flap which, upon closure of the flap from an open position to the closed position, transports a rough-cast lens held on the lens holder into the region of the spectacle lens holding shaft,a sensor which measures sensor data including the position of the rough-cast lens and its angular position on the holder, in the region between the flap in the open position and the spectacle lens holding shaft, anda control device which is constructed as a computer and takes account of the position and angular position of the rough-cast lens in the spectacle lens holding shaft by computer using the sensor data when machining the spectacle lens by means of the machining apparatus.