METHOD FOR ACOUSTICALLY EXAMINING A PATH OF TRAVEL OF A MAIN BODY OF A LARGE SCALE ROLLER BEARING

摘要

Method for examining the track of a slewing bearing in a wind turbine, in which a running track of the slewing bearing is measured with an ultrasonic measuring device mounted on the bearing housing, wherein the ultrasonic measuring device detects two edges of the track and their relative position and / or shape is measured to each other.