钻采机械减震碟形弹簧可靠性优化设计

RELIABILITY-OPTIMIZATION DESIGN OF SHOCK ABSORBING BELLEVILLE SPRING FOR DRILLING AND PRODUCTION MACHINERY

设计现代机械产品应该是在满足各种常规约束和可靠性约束的条件下追求成本最低、或重量最轻、体积最小。机械产品的可靠性设计也存在一个优化问题，从而使设计的产品在可靠性满足规定的前提下，其参数获得优化解。本文综合了可靠性设计理论和最优化技术的优点于一体，结合石油机械减震用碟形弹簧，介绍了机械产品可靠性优化设计的一般方法，并按照碟形弹簧的设计要求，建立了其可靠性优化设计的数学模型，给出了碟形弹簧的可靠性优化实例。

There exists naturally an opthization problem in the reliability design of mechanical produc-ts,The optimum parameters of the products designed are found under a fixed reliability. The general method of reliability-optimization design of mechanical products is introduced with regard to the shock absorption belleville spring for petroleum machinery. A mathematical mOdel of relia-bility-optimization of belleville spring is set up and an example is given.