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应用振动理论，模态分析理论，机械强度理论及振动测试与分析技术对干燥机进行了计算模态分析，动态特性分析及动强度分析．并对干燥机的箱体进行了动态试验．通过计算和试验，找出了干燥机破坏的主要原因，并提出了结构修改的科学依据．
The application of vibration theory, modal analysis theory, mechanical strength theory and vibration testing and analysis of the dryer modal analysis, dynamic characteristics and dynamic strength analysis. And the cabinet of the dryer was tested dynamically. Through calculation and experiment, the main reason of dryer damage was found, and the scientific basis of structure modification was put forward.