CAJ | 학술논문

针对我国数控龙门铣床设计水平低下的现状，借助现代设计方法，首先在PRO／E软件中建立横梁移动式龙门铣床的整机三维模型，然后用有限元软件ANSYS Workbench对数控龙门铣床的主结构龙门进行静力、模态、谐响应和响应谱分析，并对其动、静态特性进行分析评价。该方法为龙门铣床的机械结构设计、减振降噪及改善精度提供一定的理论依据。
침대아국수공룡문선상설계수평저하적현상，차조현대설계방법，수선재PRO／E연건중건립횡량이동식룡문선상적정궤삼유모형，연후용유한원연건ANSYS Workbench대수공룡문선상적주결구룡문진행정력、모태、해향응화향응보분석，병대기동、정태특성진행분석평개。해방법위룡문선상적궤계결구설계、감진강조급개선정도제공일정적이론의거。
Based on the fact that the design level of domestic milling machine is relatively low ,the 3D model of the large CNC mobile beam‐type gantry milling machine using modeling software PRO/E ,is de‐veloped ,conducting static analysis ,model analysis ,harmonic analysis and response spectrum analysis of main structure gantry of CNC milling machine with finite element analyzing software ANSYS Work‐bench ,and then its static and dynamic features have been evaluated .The analyzing process can serve as the theoretical reference mechanical structure design ,reducing vibration and noise and improving preci‐sion of the CNC gantry‐type milling machine .