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롤생산방식 유연회로기판의 레이저 드릴링 고속화 요소기술
라웅재 ( Woong-jae Ra ),최환영 ( Hwan Young Choi ) 한국실천공학교육학회 2023 실천공학교육논문지 Vol.15 No.1
Authors report the performance indicator of Roll to Roll MC (hereinafter referred to as RTR) through experiment that it is possible to process 2.0G acceleration, which cannot be coped with in the existing FPCB RTR, by reducing the weight of the Dancer roll system and controlling the torque using the servo motor. Proposed dancer roll system provides uniform tension to FPCB by solving problems such as high rotation speed, heat generation, and low torque, which were impossible to achieve with the conventional magnet clutch type RTR. Through the development of a lightweight processing method for rolls using magnesium material and the development of a torque control algorithm for servo motor, torque stability also increased. Due to the enabling technology developed in this study, the reaction speed of the dancer roll was improved and the target speed was achieved as well.