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A STUDY ON MEASUREMENT FOR LARGE SIZE OBJECTS WITH A NON-CONTACT TYPE CMM
Minseok Kim,Dongeun Lee,Sookhan Kim,Jeongnak Lee,Junchul Kim,Eungki Lee 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
Recently, efficient manufacturing of high precision is an important issue in modern industry as more variety of industrial products is being designed with compound surfaces. Rapid CAD data generation can be possible based on a non-contact type CMM of object through the use of reverse engineering. However, some registration to match the data measured from various directions into a common coordinate system is required. Also, the error can happen if it uses the conventional method to large product of thin thickness. So it is necessary to develop a new method, which was designed for the registration of large and thin products. Additionally, an algorithm to pick up coordinates for the newly designed method was proposed.
Jeong, Nak ,Cheon,Lee, Myoung ,Hee,Yoon, Kyung ,Byung WILEY-VCH Verlag 2007 Angewandte Chemie Vol.46 No.31
<B>Graphic Abstract</B> <P>Mind the gap! The titanosilicate zeolite ETS-10 contains TiO<SUB>3</SUB><SUP>2−</SUP> molecular wires (see picture). A reliable method has been developed to synthesize high-quality ETS-10 crystals of various sizes. Measurements on the crystals allow the dependence of the band-gap energy on the length of the TiO<SUB>3</SUB><SUP>2−</SUP> wires to be elucidated. <img src='wiley_img/14337851-2007-46-31-ANIE200701676-content.gif' alt='wiley_img/14337851-2007-46-31-ANIE200701676-content'> </P>