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。
Introduced molding process and characteristics of ceramic die-casting technology, and pointed out prevention for the ceramic die-casting common defects.
介绍了陶瓷型铸造制模的工艺过程和工艺特点，并指出了陶瓷型铸件常见缺陷及防止方法。
The most common blister defects in zinc alloy die casting were described. The reason for the defect formation was analyzed and an approach to defect decrease was offered.
介绍了锌合金压铸件中最常见的起泡缺陷，分析了起泡产生的原因，提出了解决问题的办法。
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