CAJ | 학술논문

　　针对粮食分选系统中筛选机工作可靠性差、寿命低等问题，进行了直线筛选机筛箱系统的动态模拟仿真设计，建立了筛箱的有限元仿真模型，得出了筛箱系统的各阶固有频率及振型。同时，通过模拟仿真分析结果来检验筛箱刚度，找出导致结构快速破坏的共振频率，确定筛箱结构改进的方案，为提高筛选机寿命及优化筛箱结构设计提供了依据。
　　침대양식분선계통중사선궤공작가고성차、수명저등문제，진행료직선사선궤사상계통적동태모의방진설계，건립료사상적유한원방진모형，득출료사상계통적각계고유빈솔급진형。동시，통과모의방진분석결과래검험사상강도，조출도치결구쾌속파배적공진빈솔，학정사상결구개진적방안，위제고사선궤수명급우화사상결구설계제공료의거。
By dynamic simulation design of linear screener ’s screen case system and setting up the screen case finite ele-ment simulation model, it concludes the system’s inherent frequency and vibration mode .Through the simulation analy-sis of results to test screen case rigidity , the resonant frequency causing the structure rapid destruction is found .Based on this, it shows the improvement scheme of screen case structure .It provides the basis to improve screener ’s lifespan and the screen case structure design .