基于特征对零件设计与工艺设计的并行过程进行分解与重组，基于特征进行零件设计、工艺设计和可制造性评价。
The concurrent process of CAD/CAPP is decomposed and re organized based on feature. The design, process planning and manufacturability evaluation of parts is implemented based on feature.
通过ACIS提取几何模型信息，建立制造特征库与采用基于规则的方法实现对制造特征的识别与重构。
Geometric model was extracted through ACIS, manufacturing feature was recognized reconstructed through establishment of manufacturing feature library and using of Rule-based method.
该造型的特点一是基于特征，其几何信息和工艺信息主要从制造要求出发；
The modelling is based on part feature, its geometry and process information are from the manufacturing requirement.
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