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유한요소해석을 이용한 가변익 송풍기 상사모델에 대한 구동 특성 분석과 구조안전성에 대한 연구
국정근,조병관 한국유체기계학회 2024 한국유체기계학회 논문집 Vol.27 No.2
The purpose of this study is to verify the kinematic movement of the variable blade mechanism design for a scaled model of a variable pitch axial flow fan with a capacity of 55 kW and to verify structural safety according to the blade setting angle. The design of the variable pitch mechanism was performed using SolidWorks and the kinematic verification of the slider crank movement was performed through Motion Simulation. The structural safety of each component by the impeller and variable pitch mechanism was verified by deriving the maximum stress according to the blade setting angle using Ansys Workbench.
국정근,조병관 한국기술교육대학교 2003 論文集 Vol.10 No.1
According to the development of semi-conductor industry, the manufacturers ask high speed press with high resolution. But high speed operation accompanies mechanical vibrations. Therefore optimized kinematic structure to minimize vibration is required for a high speed press. And the growing competition in the industry asks the cost cutting and high pressing force. A motor used in a press makes pressing force and determine manufacturing cost. This paper desires to perform dynamic analysis for a high speed press so that motor specification and kinematic structure may be downsized and that cost and vibration may be reduced. For this purpose a high speed press was modeled with 3D CAD solid modeling system and using this CAD model dynamic analyses were performed with CAE S/W for multibody dynamic analysis. Through these analyses a motor appropriate to a high speed press was selected and link structure for feeding system of the press was modified to reduce vibration.