Measurement of Aero-Engine BLISK Using Industry Robot

The BLISK (blade integrated disk) is a new structural component of the modern aero-engine and plays an important role in improving its performance. However, it´s very difficult to measure the BLISK because of its complicated shape. A novel method for measuring BLISK online is introduced in this paper. An industry robot, an electronic lever indicator and a revolving table are used to measure the BLISK via coordinate transformations in the measurement system. Some key points such as the kinematics model of the system, the calibration of the system and measuring method are discussed. Experimental results demonstrate the effectiveness of the proposed method.