Progressive Technology for Processing Optical Parts

Abstract

The problems of modern technology for processing lenses for optical devices are noted. Among these problems, the temperature deformation in the process of blocking with adhesive resin has the greatest effect on the quality of parts. It is substantiated that this problem can be solved using a technology that allows simultaneously processing both surfaces 

of the lens blank when it is fixed to the non-working surface using a photopolymer resin that hardens under the influence of ultraviolet radiation. A scheme of a device for implementing the proposed technology for processing parts with executive spherical surfaces, in particular lenses, with their vertical orientation in the processing zone, which improves the distribution of the abrasive suspension during shaping and thereby increases the intensity of stock removal, is proposed in the paper. Mathematical modeling of the nature of the processing of spherical surfaces of parts of optical devices under the conditions of a power circuit has been performed and a formula has been obtained for calculating the friction paths in the zone of contact between the tool and the surface to be machined. The use of this expression makes it possible to identify the optimal modes of lens shaping, which provide satisfactory quality and the level of intensity of stock removal.