Numerical simulation and optimization of Al alloy cylinder body by low pressure die casting

作者：Mi Guofa^*; Liu Yanlei; Zhao Hengtao; Fu Hengzhi

来源：China Foundry, 2008, 5(2): 99-103.

• aluminum alloy
• cylinder body
• numerical simulation
• optimization

Shrinkage defects can be formed easily at critical location during low pressure die casting (LPDC) of aluminum alloy cylinder body. It has harmful effect on the products. Mold filling and solidification process of a cylinder body was simulated by using of Z-CAST software. The casting method was improved based on the simulation results. In order to create effective feeding passage, the structure of casting was modified by changing the location of strengthening ribs at the bottom, without causing any adverse effect on the part's performance. Inserting copper billet at suitable location of the die is a valid way to create suitable solidification sequence that is beneficial to the feeding. Using these methods, the shrinkage defect was completely eliminated at the critical location.

• 出版日期2008-5
• 单位河南理工大学