The die design and technique of gravitydiecasting process for driven belt wheel are introduced. The causes and corresponding resolving methods of some typical defects are analyzed.
The current research and application status of the creep resistant magnesium alloys used for high pressure diecasting and for gravity casting in automobile were reviewed.
综述了压力铸造和重力铸造两大类抗蠕变镁合金的研究开发现状及其在汽车上的应用状况。
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The die construction, running principle and features, technological process flow, technique parameters and product performance of aluminum alloy integral naves by gravitydiecasting are described.