ABFW柔性抛光中抛光力与法向位移的接触模型研究

Q3 Engineering

西北工业大学学报 Pub Date : 2022-12-01 DOI:10.1051/jnwpu/20224061335

Junfeng Zhang, Yaoyao Shi, Xiaojun Lin, Xiaojun Wu

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引用次数: 0

摘要

Polishing force is a key parameter that affects the quality and efficiency of the flexible polishing surface of the centenary wheel, and the normal displacement of the centenary wheel and the workpiece is a direct factor affecting the polishing force. Therefore, establishing a relationship model between the two is very important and necessary. A surface abrasive particle distribution function was established based on the structural characteristics of the hundred leaf wheel; Based on the elastic-plastic contact theory, the expression of polishing force and workpiece deformation under the action of a single abrasive particle is obtained, and a relationship model between polishing force and normal displacement is established based on the distribution function of abrasive particles on the surface of the wheel; Verify the established relationship model through simulation and experiments. The results indicate that the relationship model can better reflect the corresponding relationship between polishing force and normal displacement in the flexible polishing process.

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Research on the contact model between the polishing force and normal displacement in the flexible polishing using ABFW

抛光力是影响百页轮柔性抛光表面质量和效率的关键参数, 而百页轮和工件的法向位移是影响抛光力的直接因素, 因此建立二者的关系模型十分重要和必要。根据百页轮结构特性建立了其表面磨粒分布函数; 基于弹塑性接触理论得到单颗磨粒作用时抛光力和工件变形量的表达式, 并根据百页轮表面磨粒分布函数建立了抛光力和法向位移的关系模型; 通过仿真和实验对所建立关系模型进行验证。结果表明: 该关系模型可较好地体现柔性抛光过程中抛光力和法向位移的对应关系。

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