Fig. 1. Principle of phase ranging. (a) Principle process of ranging; (b) phase change

Fig. 2. Principle of inner cavity acquisition

Fig. 3. Principle of laser triangulation ranging

Fig. 4. Principle of appearance acquisition

Fig. 5. Principle of telecentric lens

Fig. 6. Principle of texture acquisition

Fig. 7. Prototype of measuring system

Fig. 8. Flow chart of acquisition

Fig. 9. 3D point clouds and model. (a) Point cloud of inner cavity; (b) point cloud of appearance; (c) 3D model; (d) texture mapping

Fig. 10. Shaft sleeve