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Zeeman 방식의 He-Ne 레이저를 이용한 마이크로 포머에서 발생되는 미소 변위 측정에 관한 연구
김대현(D. H. Kim),최경현(G. H. Choi),최재원(J. W. Choi),이석희(S. H. Lee),나경환(K. H. Na),김승수(S. S. Kim) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
A micro former among micro machines is known as a useful tool for machining micro parts. It makes micro holes automatically with punches, a hole-shape die and material by rotation of crank shaft synchronously. Micro displacement in micro forming affects on the performance of machining because micro forming size is similar with its mechanical displacement. Therefore, the measurement of this micro displacement is essential to be guaranteed to obtain high forming precision in the whole machine as well as its devices. This paper addresses the development of a laser interferometer to measure micro displacement for a micro former. The laser interferometer is able to measure micro displacement during a few micro seconds with non-contact. For the experiment, a laser probe installed on the optical table with optical devices and a micro stage. Moving mirror set up upside of micro stage. The velocity decoding board is also added to calculate doppler shift frequency directly. The output signal is processed by LabView. Finally experiments are found out the relation between displacement and output signal.