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Abstract: As an advanced technique, 3D coordinate measurement plays
an important role in realizing the goal of automating manufacturing
processes. It finds applications in fields that range from dimensional
inspection, flexible set-up, precision assembly, reverse engineering, to
geometric variation characterization. An overview on the related
techniques of measurement, geometric modeling and PR or NC code
generation from massive data points is presented. The state of art
techniques of multi-sensor integrated measurement, sampling scheme,
accessibility analysis, probing strategy, probe path generation, probe
radius compensation, integration of multiple measured data, measurement
based localization and assembly, profile error evaluation, geometric
variation characterization, surface reconstruction, data segmentation,
RP/RE integration and NC code generation from measured data are
introduced in detail. The bottlenecks involved are analyzed, and
potential solutions are discussed. Finally, a brief prospect on future
works is presented.
Key words: Coordinate measurement Geometric modeling Localization
Profile error evaluation Geometric variation characterization Reverse
engineering Rapid prototyping NC machining
CLC No: TB22
纪念《机械工程学报》创刊50周年——“机械工程技术的历史、进展与展望”主题征文. 国家自然科学基金(50205018)、教育部留学回国人员基金和西安交通大学机械制造系统工程国家重点实验室开放基金资助项目.
Received 20030718, received in revised form 20030910
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