{"data":{"fields":"term_definition","term_definition":"<div class=\"definition\">Describes the function of a mechanism which alters the relative rolling relationship between the cradle and the work. Its purpose is to remove a greater or lesser amount of stock from the ends of a gear tooth in a diagonal direction. It is a means for controlling bias of the tooth contact pattern and it permits generation of pinions to match non-generated gears. It is generally used on Gleason machines which do not have a means of tilting the cutter.<\/div>"}}