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노태양(Tae-yang Noh),장원택(Won-tek Jang),김재권(Jaek-won Kim),박종연(Jong-yoen Park) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
One of the primary concerns for welding device design is how to reduce the distance error between welding path and a torch, especially in case that the path is composed of circular and linear combination. This study deals with a mechanism in order to reduce the tracking error at the tangent area of circular and linear path. A portable welding device, called a carriage, has designed for a specific welding path through the comparison of distance error deviation. The welding carriage for a vertical cover plate welding consists of a set of rail, a welding torch and carriage body itself.
노태양(Tae-yang Noh),이윤식(Yun-sik Lee),정창욱(Chang-wook Jung),오용출(Yong-chul Oh) 대한기계학회 2009 大韓機械學會論文集A Vol.33 No.6
An engine for marine propulsion and power generation consists of several cylinder liner-piston sets. And the oil groove is on the cylinder liner inside wall for the lubrication between a piston and cylinder. The machining process of oil groove has been carried by manual work so far, because of the diversity of the shape. Recently, we developed an automatic grinding robot system for oil groove machining of engine cylinder liners. It can covers various types of oil grooves and adjust its position by itself. The grinding robot system consists of a robot, a machining tool head, sensors and a control system. The robot automatically recognizes the cylinder liner's inside configuration by using a laser displacement sensor and a vision sensor after the cylinder liner is placed on a set-up equipment.
노태양(Tae Yang Noh),장원택(Won Tek Jang),김재권(Jae Kwon Kim),박종연(Jong Yoen Park) 대한기계학회 2011 大韓機械學會論文集A Vol.35 No.11
용접 장치 설계 시 고려해야 할 중요한 요소 중의 하나는 용접 궤적과 토치의 간격 오차를 줄이는 것이다. 특히 원호와 직선이 결합된 용접 궤적의 경우는 변곡점에서 오차의 영향이 크게 작용한다. 본 연구의 대상은 선체 블록 내부 탱크와 탱크 사이의 유체(물, 기름 등) 이동을 방지하기 위하여 설치되는 커버플레이트(Cover Plate) 용접으로서, 커버플레이트 원호용접은 위보기, 수직, 아래보기의 3 가지 자세를 동시에 포함한다. 본 연구는 작업 궤적의 각 구간 사이에서 발생하는 토치의 궤적 오차를 최소화할 수 있는 2 축 소형 용접 장치 개발에 관한 것으로서, 원호와 직선 부 사이의 변곡점에서 발생하는 토치 궤적 오차를 최소화하기 위한 구동 메커니즘 도출 과정에 대하여 기술하였다. One of the primary concerns in the design of welding devices is how to reduce the distance error between the welding path and the torch, especially when the path has a combination of circular and linear parts. This study investigated a mechanism for reducing the tracking error in the tangent area of a circular and linear path. A portable welding device, called a carriage, has been designed for a specific welding path by considering the distance error deviation. This welding carriage for vertical cover plate welding consists of a rail, a welding torch and the carriage body itself.
노태양(Tae-yang Noh),이윤식(Yun-sik Lee),정창욱(Chang-wook Jung),이지형(Ji-hyung Lee),오용출(Yong-chul Oh) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
An engine for marine propulsion and power generation consists of several cylinder liner-piston sets. And the oil groove is on the cylinder liner inside wall for the lubrication between a piston and cylinder. The machining process of oil groove has been carried by manual work so far, because of the diversity of the shape. Recently, we developed an automatic grinding robot system for oil groove machining of engine cylinder liners. It can covers various types of oil grooves and adjust its position by itself. The grinding robot system consists of a robot, a machining tool head, sensors and a control system. The robot automatically recognizes the cylinder liner's inside configuration by using a laser displacement sensor and a vision sensor after the cylinder liner is placed on a set-up equipment.
신상룡(Sang-ryong Shin),이윤식(Yun-sik Lee),이지형(Ji-hyung Lee),노태양(Tae-yang Noh),염두식(Doo-sik Yeom),전병진(Byung-Jin Jeun) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
During the manufacturing process of a propeller for a large scale commercial ships, several times of turn-over process should be required. Propeller turn-over is a indispensible process but not easy because of its heavy weight and complicate shape. Recently, we developed a new type of turn-over system for a large scale propeller. The system consists of turning roller devices, sliding transfer system, clamping devices and so on. In this paper, we described the design process which includes mechanical structure design, dynamic analysis and assembly with a laser tracker.