{"data":{"fields":"term_definition","term_definition":"<div class=\"definition\">An imaginary gear which rolls with the gear blank to generate the tooth shape on a gear being produced. For bevel and hypoid gears it is a gear whose axis is represented by the cradle axis and whose tooth surface is represented by the path of the cutting edge of the tool, cutter, or grinding wheel as it translates or rotates.<\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/1S6d97.f959\/544w\/ED-72a.jpg\" alt=\"ED-72a\"><\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/1S6d97.f959\/544w\/ED-72a.jpg\" alt=\"ED-72a\"><\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/1S6d97.f959\/544w\/ED-72a.jpg\" alt=\"ED-72a\"><\/div>"}}