碟形弹簧（belleville spring）又名贝勒维尔弹簧垫圈，最早是100多年前法国J. Belleville发明。碟形弹簧的形状为圆锥碟状，与传统弹簧不同，功能上有其特殊的作用，主要特点是，负荷大，行程短，所需空间小，组合使用方便，维修换装容易，经济安全性高。适用于空间小，负荷大之精密重机械。其压缩行程最佳使用范围在其最大压缩行程的10%-75%之间。
Stress relaxation behavior of the disk spring could only be tested continuously due to the small size and large rigidity of the disk spring. According to the stress relaxation curves, stress relaxation induced failure could be predicted.
由于尺寸较小、刚度较大,碟簧的应力松弛只能采取在线连续测试,从而根据应力松弛曲线和加速外推法预测其长期服役后的应力松弛失效情况。
参考来源 - 65Mn钢弯曲应力松弛行为及碟簧应力松弛寿命预测的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
阀座碟簧提供了连续的机械压力，保证热应力变化时球体与阀座始终密合。
The valve saucer reed offers the continuous mechanical pressure, guarantee the spheroid and valve seat are closely fitted all the time when the hot stress changes.
介绍了碟簧型气门旋转机构的结构设计要点，着重阐述了碟形弹簧应力的近似计算方法。
In this paper the construction and design knowledge of a disc spring type valve rotating mechanism are presented with the emphasis on the approximate calculations for the disc spring stress.
着重研究了铅芯碟簧隔振器的各项特性参数随频率和加载幅值的变化规律以及各项特性参数随初始预压幅值的变化规律；
Vary regularity of each characteristic parameter with changes of frequency, ample and pre-pressing are investigated. Performances of LDSI and DSI are compared.
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