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최종필(J. P. Choi),이광호(G. H. Lee),이혜진(H. J. Lee),이낙규(N. G. Lee),김병희(B. H. Kim) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
This paper presents the design of inchworm motor for high precision actuator system of large displacement and high force. An inchworm actuator can perform long strokes by repeating the clamping and extension sequence. It can attain high resolution and high force from the accurate displacement of extension and contraction motion. The proposed inchworm actuator consists of two clamping parts on the top and the bottom side of the inchworm body, and one extension part in the middle of the actuator. The two clamping piezoelectric(PZT) are provide the holding force and the extending PZT is provide the displacement of tool guide. In generally, PZT has the low tensile strength and shear. Therefore, design of the inchworm motor has been focused on optimizing the pre-load housing mechanism to reduce the shear force. The preload also creates additional return forces to aid in the release of the clamping mechanisms. The detailed design of the pre-load mechanism was performed using finite element analysis. A prototypeof the inchworm motor was fabricated and tested.
최종필(J. P. Choi),이광호(G. H. Lee),이혜진(H. J. Lee),이낙규(N. G. Lee),김병희(B. H. Kim) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
This paper presents the design of inchworm motor for high precision actuator system of large displacement and high force. An inchworm actuator can perform long strokes by repeating the clamping and extension sequence. It can attain high resolution and high force from the accurate displacement of extension and contraction motion. The proposed inchworm actuator consists of two clamping parts on the top and the bottom side of the inchworm body, and one extension part in the middle of the actuator. The two clamping piezoelectric(PZT) are provide the holding force and the extending PZT is provide the displacement of tool guide. In generally, PZT has the low tensile strength and shear. Therefore, design of the inchworm motor has been focused on optimizing the pre-load housing mechanism to reduce the shear force. The preload also creates additional return forces to aid in the release of the clamping mechanisms. The detailed design of the pre-load mechanism was performed using finite element analysis. A prototypeof the inchworm motor was fabricated and tested.