METHOD FOR LENS ALIGNMENT Russian patent published in 2012 - IPC G01M11/00 G01B11/27 

FIELD: lens alignment.

SUBSTANCE: method includes the use of the centring socket with one movable and one rotating section, which is fixed in the turning spindle, and an autocollimating unit fixed in the tail-stock in order to align every surface of the lens in relation to the spindle rotation axis. When a multicomponent lens is aligned, one lens surface is selected in accordance with design or technological considerations, and the lens is installed in such a way so the autocollimation point of the selected surface lies in the same place as the rotating section centre of curvature of the centring socket which lies on the spindle rotation axis due to the selected length of the process part of the frame or due to the use of spacing collar. The autocollimation point is aligned with the centre of curvature of the centring socket rotating section by repositioning the movable section while keeping the same position of the autocollimation point of the selected lens surface which was previously aligned with the centre of curvature of the centring socket rotating section.

EFFECT: improved lens alignment; removing the limits of alignment surface choice.

5 dwg