New approach to produce special purpose visual aid glasses : a custom designed 5-axis mill

Masteroppgave i mekatronikk MAS500 2011 – Universitetet i Agder, Grimstad The thesis problem formulation is given by the company ProVista. ProVistas area of expertise is mainly the rehabilitation of visually impaired. This includes research, training of opticians and sale of supporting materials such as glasses with magni cation. The thesis problem is a part of the research to give their customers a better product with much shorter delivery time. Today the customers normally have to wait several weeks to get their visual aid glasses. The reason for this is that the holes are milled manually. With CNC mills existing some decades now, the visual aid community should also bene t from the advan…