摘要
为满足高强度、高频冲击性负载的摇臂工况需要,研制新型采煤机摇臂壳体。通过试铸铸件测试分析,确定了壳体材料组成,并改进了热处理工艺,优化了铸造方案。铸造工艺仿真模拟了浇筑过程的液固相分布和缩松缩孔部位。铸造测试表明,材料优化和铸造过程仿真分析可有效改善铸造摇臂质量,提高了大功率采煤机工作可靠性。
In order to meet the demand of rocker arm with high strength and high frequency impact load, a new type of shearer rocker arm shell was developed. The material composition of the shell was determined by the test analysis of the test casting. The heat treatment process was improved and the casting scheme was optimized. The casting process simulation simulated the distribution of liquid and solid phase and the position of shrinkage cavity and porosity in the casting process. The casting test shows that the material optimization and casting process simulation optimization can effectively improve the quality of casting rocker arm and improve the working reliability of high power shearer.
作者
阚文浩
田祖织
谢方伟
郭阳阳
吴向凡
Kan Wenhao;Tian Zuzhi;Xie Fangwei;Guo Yangyang;Wu Xiangfan(Shanghai Branch,Tiandi Science and Technology Co.,Ltd.,Shanghai 200030,China;School of Mechanical and Electrical Engineering,China University of Mining and Technology,Xuzhou 221116,China;Xuzhou University of Technology,Xuzhou 221111,China)
出处
《煤矿机械》
2021年第9期103-105,共3页
Coal Mine Machinery
基金
国家高技术研究发展计划(863计划)基金(2012AA06A406)
国家自然科学基金项目(51875560,52005426)
江苏省自然基金项目(BK20190155)。
关键词
摇臂
壳体材料
热处理
铸造工艺
rocker arm
shell material
heat treatment
casting process
