The lightweight design of commercial vehicles is one of the current research hotspots in the automobile industry.By reducing the weight of vehicles,it can effectively improve fuel economy,reduce carbon emissions,and improve vehicles handling performance and safety.This paper discusses the background and significance of lightweight commercial vehicle in detail,focusing on the application of aluminum alloy,high strength steel and composite materials in body structure,wheels and chassis.At the same time,introduces the application of advanced manufacturing technologies such as 3D printing,laser welding and integrated die casting technology in lightweight design,and the corresponding connection technology,such as riveting,bonding and bolted connection.Typical case studies demonstrate the practical effects of lightweight measures,including improved fuel economy,reduced carbon emissions and improved vehicle performance.Finally,this paper summarizes the positive impact of lightweight design on the overall performance of commercial vehicles,and looks forward to the future development direction.
维普
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