Moire Ct technique and its application on laser flexible manufacture

Tianze Li; Luan Hou; Chuan Jiang; Xia Zhang

doi:10.1117/12.864211

11 October 2010 Moire Ct technique and its application on laser flexible manufacture

Tianze Li, Luan Hou, Chuan Jiang, Xia Zhang

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 76561M (2010) https://doi.org/10.1117/12.864211
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

In the paper, the main properties of Moire fringe, such as average effect, amplification effect, corresponding relation are elaborated, and the principle of Moire Ct technique is represented. On the basis of main features of Moire fringe, multidirectional Moire Ct deflection system is designed using high accuracy Ccd, grating, filter, lens, planar mirror and optical splitter. The system has simple light path, and can be easily made into the one that has large caliber.It can analyze multidirectional records of the probe at the same time, and can obtain clear interference patterns.The iterative technique combined with computer chromatography algorithms is used to achieve inversion of multidirectional clear interference patterns so that the required parameters can be acquired. Moire Ct technique is applied to laser flexible manufacture. Produced parts are delaminated on the paper, and are stratified manufactured until they are connected to forming. Cad/Cam system is adopted to construct Spatial three-dimensional geometric model, and the data files are formed. Then by using the Small triangle plane, the inner and outer surfaces of the data files are discretized. Discretized parts model is made chromatography with mathematical methods using Cam software. A series of parallel horizontal intersecting planes are generated. The problems of filtering arrangement tangent points are solved by recombining the shape and structure relationship among the triangular mesh. Several conclusions are presented.

Citation Download Citation

Tianze Li, Luan Hou, Chuan Jiang, and Xia Zhang "Moire Ct technique and its application on laser flexible manufacture", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76561M (11 October 2010); https://doi.org/10.1117/12.864211

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KEYWORDS

Moire patterns

Manufacturing

Chromatography

3D modeling

Tomography

Data modeling

Computed tomography

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