摘要：用Pro/E软件对振动筛进行特征参数化造型设计,利用注塑模具计算注塑面积的方法计算振动筛叠层滤网透筛率、平动椭圆振动筛设计的关键技术力心与质心自动重合的方法,为提高振动筛的设计效率、推出新产品提供了有力的支持。

摘要：The paper introduces the calculating method of filtering ration of vibration multi-layer screen by calculating injection area with injection mold based on software. Pro/E, which provides powerful support for the design and selectionofmulti-layerscreen.[Descriptors] Multi-Layerscreen Filtering ration Injection