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10 October 2007 Development of a compact inner profile measuring instrument
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Inner profile measurement has a lot of request for the applications in field of mechanical industry and even in the medical and dental fields. We proposed measurement method of inner diameters of pipes and/or holes using a ring beam device which consists of a conical mirror and a laser diode. This measurement method is based on optical sectioning of inner wall. This optically sectioned profile is analyzed to calculate the inner diameter and/or profile. Here, an optical instrument with a simple and compact configuration is reported for the inner profile measurement. As experimental results, we show performance of the instrument and some examples for inspection of mechanical components.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. Wakayama, H. Takano, and T. Yoshizawa "Development of a compact inner profile measuring instrument", Proc. SPIE 6762, Two- and Three-Dimensional Methods for Inspection and Metrology V, 67620D (10 October 2007);


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