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阀体铸造工艺设计及优化
CastingProcessDesign and Optimizationof the Valve Body
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- DOI:
- 作者:
- 陈国宝 1，高通旺 1，赵程斌 1，卢其炎 1，黄嵘森 1，廖龙兴 1，2
CHEN Guobao1,GAO Tongwang1,ZHAO Chengbin1,LU Qiyan1,HUANG Rongsen1,LIAO Longxing1,2
- 作者单位:
- 1. 集美大学 海洋装备与机械工程学院，福建 厦门 361000；2. 大连理工大学 高性能制造研究所，辽宁 大连 116000
1. College of Ocean Equipment and Mechanical Engineering, Jimei University, Xiamen 361000,China; 2. High Performance Manufacturing Institute, Dalian University of Technology, Dalian 116000,China
- 关键词:
- 阀体；缩松缩孔；铸造工艺；铸造质量
valve body; shrinkage hole and porosity; casting process; casting quality
- 摘要:
- 铸造阀体作为液压阀的重要组成部分，其质量和性能对于液压系统的可靠性、稳定性和寿命有着重要的作用。 随着工业技术的不断发展，各行业对液压阀的要求日益提高。 为提升铸造阀体的工艺稳定性，使其适配高压、高温、高腐蚀等复杂工况条件，构建阀体铸件三维模型，运用 ProCAST 数值模拟软件对铸件充型及凝固过程进行仿真分析 ，明确缩松、缩孔缺陷的形成机理。 通过优化浇道系统结构、设计冒口补缩方案及设置冷铁激冷单元，实现缩松、缩孔缺陷体积占比的有效降低。 结果表明，改进后铸件的缩松及缩孔缺陷得到有效控制，缺陷体积减少 95%以上。Casting valve bodies serve as critical components of hydraulic valves. The quality and performance of hydraulic systems are highly important for ensuring their reliability, stability, and service life. With the continuous development of industrial technology, the requirements for hydraulic valves in various industries are increasing daily. To improve the stability of the casting process of the casting valve body and adapt the product to more complex high-pressure, high-temperature, and high-corrosion working conditions, a casting model of the valve body was established. The casting process was simulated through the numerical simulation software ProCAST. The causes of shrinkage porosity and shrinkage cavity defects have been discovered. The volume of shrinkage holes and porosity defects is reduced by measures such as optimizing the runner, setting risers, and placing chill irons. The results show that the shrinkage hole and porosity defects of the improved castings have been effectively controlled and that the defect volume has been reduced by more than 95%.