Eyeglass-frame-shape measuring device and eyeglass-lens processing apparatus having the same

摘要

An eyeglass-frame-shape measuring device for measuring a lens frame shape of an eyeglass frame has a holding mechanism for holding the frame in a predetermined condition, a feeler movable while being kept in contact with a frame groove of the frame held by the holding mechanism, a measuring mechanism for obtaining information (rn, thetan) on radius vector of the frame based on an amount of movement of the feeler, a moving mechanism having a first motor for moving the feeler in a direction of the radius vector of the frame, and a control mechanism for variably controlling driving of the first motor during measurement based on the information on the radius vector obtained by the measuring mechanism.