Aiming at the casting defects in low pressure casting aluminum alloy wheel hub

the characteristics and distribution of solidification defects were analyzed.The ProCAST software was used to simulate the filling and solidification process.The temperature distribution of the filling and solidification process of low pressure casting aluminum alloy wheel hub was presented

and the origination and mechanism of the solidification defects were analyzed.According to the simulated results

the cooling process of low pressure casting wheel hub was improved and optimized.The results reveal that by means of adding water-cooled pipes at the corresponding hot spot on the hub mould

it is determined that the cooling water is turned on 60 safter pouring to enhance the cooling rate of the hot spot and solidify the hubs in sequence

effectively reducing the shrinkage defects at the hot spot and ensuring the mechanical properties of the wheel hub.