In this paper, the development and actuality of motor vehicles product at home and aboard are reviewed and the market requisition of road wheel at present is analyzed first. On the basis of profound analysis of steel road wheel, according to the tenet of reducing the consumption of petrol, decreasing the weight of material, enhancing the age of road wheel, the reasonableness and feasibility of using aluminum alloy road wheel were investigated.
Then, the basic idea, calculation step, m...