In order to realize the weight reduction of the hub and to avoid casting defects and reducing production costs

the low pressure die-casting process of the thin-walled spoke aluminum alloy hub with a minimum thickness of only 6 mm was subjected to finite element simulation.Based on the simulation results

the main casting parameters were determined such as the lifting pressure and injection speed

the preheating temperature of the mold

the pouring temperature of the molten metal and its flow rate

as well as the pressure and time during holding and solidification

and trial production was carried out.The test sample wheel with thin-walled spoke produced by the optimized parameters shows excellent comprehensive mechanical properties

and the three reliable performance test indexes meet the requirements of national standard.