Solidification Simulation-Optimized Design of Casting Method for Nodular Iron Lifter Casting

By simulation of solidification structure and solid phase transition of the green sand mould-produced nodular ironcasting used for lifter, the solidification process, structure and properties of the casting was forecast, and the original casting method was optimized with computer simulation tool. According to the new casting method, there is only one ingate, twoexothermic risers, no chill, and as a result, casings produced with such method are free of shrinkage cavity, porosity and drossinclusion, and the method yield rate has been also increased from former 50% to 65%.