An Experimental Study of Reconstruction of Tool Cutting Edge Features Using Space Carving Method

Authors:
Wai Ming Tsang;Xi Zhang;Kazuo Yamazaki;Xiaodong Tian;Masahiko Mori
Affiliations:
IMS Mechatronics Laboratory, University of California, Davis, USA;IMS Mechatronics Laboratory, University of California, Davis, USA;IMS Mechatronics Laboratory, University of California, Davis, USA;DTL Corp., USA;Mori Seiki Co., Ltd, Japan
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing, Part II
Year:
2008

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Abstract

The precedent of this project is to obtain a surface of revolution model of the machine tool cutter by using a single CCD camera on-machine. This paper introduces the possibility of locating the cutting edges of the cutter with reconstructed 3D models by using the same setup. Space carving method is proven useful for 3D model reconstruction of objects on a turn table. The spindle rotation of the cutter can simulate this effect. Using a calibrated camera and a known spindle speed, the images of a cutter are captured. The edge features of the cutter observed can be used for model reconstruction. Using this model of the cutter, the approximate location of the cutting edge can be located. The initial investigation shows that the accurate motion of the spindle is very important to obtain accurate results.