超高压组合缸体自增强工艺的有限元模拟与对比研究
Chinese Hydraulics & Pneumatics(2018)
Abstract
以某设备的超高压组合缸体为研究对象,建立组合缸体模型.首先对传统组合缸体进行有限元分析,然后对外形相同的超高压组合缸体的两种自增强工艺进行有限元模拟和对比研究.研究表明:套装后再自增强处理在降低内缸内壁应力峰值上明显优于首先对内缸进行自增强处理.虽然套装后自增强压力超过1000 MPa,但首先对内缸自增强影响过盈套装,所以在压力源允许的情况下推荐套装后再进行自增强处理.该研究可为超高压组合缸体自增强工艺的选择和优化提供参考.
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Key words
finite element simulation,self-reinforced technology,comparative study,multilayer ultrahigh pressure cylinder
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