冶金起重机主卷减速机齿轮动力学分析与研究

Kexue yu Xinxihua(2017)

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Abstract
针对冶金起重机,若主卷减速机中的大齿轮意外地断裂,齿根部则可能会引起疲劳裂纹,对安全生产造成沉重的安全隐患.若齿轮遭受冲击,受动载荷的干扰,齿根处产生的应力必然要超出齿轮材料自身的屈服极限.本文借助AN-SYS有限元软件,尝试模拟齿轮本身的静态特性;在多种载荷状况下,观察弯曲应力或是应变在轮齿齿根处弯曲发生的变动,根据现场实况,分析轮齿断裂的形成原因.
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