Abstract

The thermal expansion and wear of the grinding wheel are measured during cylindrical grinding by a new experimental method called the scanning-type radial difference comparison system. This method is developed from the previous automated difference comparison method, and a new noncontact scanning system is introduced instead of the blade method. A laser optical displacement sensor supported on the positioning table is scanned on the grinding surface of the wheel by means of computer control, and a surface profile of the grinding surface is constructed from the output of the laser displacement meter. By using this method, the measuring procedure is eliminated and time interval between measurements can easily be shortened.

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