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병렬로봇의 설계공차 설정에 따른 기계적 정밀도의 영향 분석
박찬훈(Chanhun Park),김두형(Doohyung Kim),도현민(Hyunmin Do),최태용(Taeyong Choi),박동일(Dongil Park),김병인(Byungin Kim) 제어로봇시스템학회 2016 제어·로봇·시스템학회 논문지 Vol.22 No.10
In this paper, important design parameters for parallel kinematic robots are defined, paying special attention to machining errors which may cause kinematic errors at the end effector of a robot. The kinematic effects caused by each design parameter, as well as their upper/lower limits, are analyzed here. To do so, we have developed a novel software program to compute kinematic errors by considering its defined design parameters. With this program, roboticists designing parallel kinematic robots can understand the important design parameters for which upper/lower allowances have to be strictly controlled in the design process. This tactic can be used for the design of high-speed, parallel kinematic robots to reduce the design/manufacturing costs and increase kinematic precision.
윤동원(Dongwon Yun),손영수(Youngsoo Son),박희창(Heechang Park),김병인(Byungin Kim),이성휘(Sunghwi Lee),함상용(Sangyong Ham) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
In this paper, a hybrid roll for a roll-to-roll hot embossing system to fabricate micro patterns is studied. In previous studies, heating rolls are widely used to heat the polymer substrate for embossing process, so the rolls only give heat to the substrate. The hybrid roll studied in this paper can be used as not only a heating roll but also a cooling roll. It is expected that more flexible process can be designed if the hybrid roll is used in the roll to roll hot embossing process. Some analysis to design the roll is presented in this paper.
윤동원(Dongwon Yun),손영수(Youngsoo Son),박희창(Heechang Park),김병인(Byungin Kim),이성휘(Sunghwi Lee),박철훈(Cheolhun Park) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
In this paper, electromagnetic analysis has been conducted to analyze and design the induction heating roll for roll-to-roll embossing process. The roll has some coolant pipe and jacket, the influence of the structural variance on the mangeitc filed is considered through finite element analysis.