车身真空高压压铸技术研究

Research on the Vacuum High-Pressure Die-Casting Technologies of Automobile Body

铝合金真空高压压铸技术在汽车行业逐步得到应用,研究分析了真空高压压铸材料、工艺、产品及现阶段重点问题。概括了热处理和免热处理材料的物理特点、化学成分及机械性能;介绍了真空高压压铸工艺流程和产线、工艺设计、工艺参数、成形性能;分析了产品性能、厚度、尺寸、连接、维修、模具寿命现阶段的主要问题;总结了真空高压压铸技术的优势并展望其发展前景。

The aluminum alloy vacuum high-pressure die-casting technologies are gradually applied in the automotive industry.This paper studied and analyzed the material,process,product and the key issues at present stage of the vacuum high-pressure die-casting,summarized the physical characteristics,chemical compositions and mechanical properties of heat treatment materials and heat treatment free materials in detail,elaborated the technical process,production line,process design,process parameter and formability properties of vacuum high-pressure die casting,analyzed the main issues at present stage including product performance,thickness,dimensions,connection,repair and die.The paper also summarized the advantages of vacuum high pressure die-casting technologies and forecasted its development prospects.