Static Simulation of Main Roller Grinding in Lithium Battery Coating Machine
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摘要: 在对锂电池涂布机主辊进行磨削加工时,磨削力对主辊辊面挠度的影响较大,为研究主辊结构、磨削深度、磨削位置对主辊挠度的影响,该文采用理论公式计算了磨床磨削主辊时主辊受到的磨削力,然后运用ANSYS有限元仿真软件对穿轴式、空心式两种主辊进行了静力仿真,并比较了两种主辊辊面的挠度变化,最后重点研究了不同磨削深度、不同磨削位置对空心式主辊挠度的影响。在磨削深度一定的条件下磨削主辊不同位置时,主辊左侧辊面z方向挠度近似满足二次曲线关系。其研究结果对主辊结构设计和磨削工艺改善有一定的指导意义。Abstract: When grinding the main roller of a lithium battery coating machine, the grinding force has a significant impact on the deflection of the main roller surface. In order to study the influence of the main roller structure, grinding depth and grinding position on the deflection of the main roller, the theoretical formula was used to calculate the grinding force applied to the main roller during grinding by a grinder. Then, the ANSYS finite element simulation software was used to perform static simulation on two types of main rollers, namely, shaft-through type and hollow type, to compare the deflection changes of the two types of main rollers. Finally, the influence of different grinding depths and different grinding positions on the deflection of the hollow type main roller was emphatically studied. When the grinding depth is constant, the deflection of the left roller surface in Z direction of the main roller approximately satisfies a quadratic curve relationship when grinding at different positions of the main roller. The research results have certain guiding significance for the structural design and grinding process of the main roller.
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