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在工作装置的力学分析中，将物料的重量作为变量来考虑。通过建立不同倾卸角下，重心变化的数学模型，利用计算机辅助设计手段，较详细地分析了重心变化对工作装置受力分析的影响。
In the mechanical analysis of the work unit, the weight of the material is taken as a variable. Through the establishment of the mathematical model of the change of center of gravity under different dumping angles, the influence of the center of gravity variation on the stress analysis of working equipment is analyzed in detail by means of computer aided design.