The die design and technique of gravity die casting process for driven belt wheel are introduced. The causes and corresponding resolving methods of some typical defects are analyzed.
介绍了采用金属型铸造生产铝合金驱动板的模具结构和铸造工艺；对驱动板几种典型缺陷产生的原因和解决方法进行了分析。
The die construction, running principle and features, technological process flow, technique parameters and product performance of aluminum alloy integral naves by gravity die casting are described.
阐述了金属型铸造摩托车铝合金整体车轮的模具结构、工作原理及特点、铸造工艺流程、工艺参数及产品性能。
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