Casting Process Optimization of Large Thin-walled Saddle Based on AnyCasting

Author of the article:WANG Haixiao1 , CONG Jianchen1,2, WANG Jinling1 , ZHU Yuqi1 , LI Hao1 , YUAN Wei1 , GUO Qianjian1

Author's Workplace：1. School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China; 2. Tianrun Industry Technology Co., Ltd., Weihai 264400, China

Key Words：saddle; numerical simulation; process optimization; casting defects

Abstract：For large thin-walled saddle casting, the shrinkage cavity and porosity easily occur in the casting process. Based on the AnyCasting simulation software, the filling and solidification process of the saddle was simulated. According to the simulation results, the position distribution of the shrinkage cavity and porosity was analysed. The shrinkage cavity and porosity are found to exist in the casting, and the defect location is compared with the actual casting test to verify the credibility of the simulation results. The improvement scheme of adding internal cooling iron at the hot spot position was adopted. The results show that the original defect position is solidified ahead of other parts of the cast, and shrinkage defects are eliminated effectively, which provides corresponding guidance for the actual production of similar thin-walled castings.