锻压技术

离合器钢片碳氮共渗淬火后变形的优化研究

英文标题：Optimization on deformation of driven plate of clutch after carbonitriding and quenching

作者：彭桂枝

单位：江阴职业技术学院

分类号：

出版年,卷(期):页码：2016,41(4):94-97

摘要：

以某离合器钢片为研究对象，分析了钢片直径与其淬火后变形量之间的关系，得出不同直径的钢片经淬火后的变形呈现双曲抛物面形状，而且变形量随着钢片直径的增大而增加。利用ANSYS有限元软件对钢片淬火过程的温度场进行数值模拟，得出钢片淬火变形的直接原因为温度场分布不均匀，其诱因为限位弹簧窗口的“L”型结构。此外，对钢片碳氮共渗淬火后的变形工艺进行优化并对其进行试验验证，结果表明，采用窗口开过渡圆孔+开工艺孔+降低淬火温度+升高油温的工艺方法，可以将钢片淬火后的最大变形量由优化前的5.7 mm降至优化后的1.1 mm，从而更好地指导企业的实际生产。

For the driven plate of clutch, the relationship between the diameter of driven plate and the amount of deformation after quenching was analyzed. Then, the deformations of driven plates with different diameters after quenching appeared hyperbolic parabolic shape, and the deformation increased with the increase of diameter in the driven plate. Furthermore, the temperature field of driven plate in quenching was simulated by the finite element software ANSYS, and the direct cause of the quenching deformation was the uneven distribution of temperature field produced by “L” structure of limit spring window. In addition, the deformation process of carbonitriding and quenching was optimized and the experiment was carried out to verify the optimized technology. The results show that the maximum deformation of driven plate reduces from 5.7 mm to 1.1 mm after optimization by the optimized technology of open transition circular hole in window, open auxiliary hole, low quenching temperature and high temperature of oil. Based on the above conclusion, it can be a better guidance in the practical production of enterprises.

基金项目：

彭桂枝（1982-），女，硕士，讲师

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