Affiliation:
1. Mechanical and Electrical Engineering Practice Center, Fuzhou University, Fuzhou, China
2. School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
Abstract
Large-caliber water meter shells are prone to shrinkage porosity, wrinkles, air entrapment, slag inclusion, and other defects during the lost foam casting process. Taking the vertical spiral wing WS-100 water meter as the research object, through the analysis of the structure of the water meter shell, the flow field and temperature field of the design of outer bottom injection-vertical pouring, outer bottom injection-horizontal pouring and inner bottom injection-horizontal pouring involved in the filling and solidification process are numerically simulated and solve analysis, respectively. The results showed that: when the inner bottom injection-horizontal pouring process was adopted, the filling process of the casting was stable, the isolated liquid phase area of the solidification process was relatively small, and the possibility of forming defects was less. The casting performance is excellent, and the numerical analysis is verified to be effective.
Funder
National Natural Science Foundation of China
science and technology planning project of fuzhou
The Planning Subject for the 13th Five Year Plan of Fujian Education Sciences
Research Project of Education and Teaching Reform in Fujian Undergraduate Universities