The method of CBR process derivation based on part key identifier is presented, as well as the principle of similar process case search based on part key identifier and the method of similarity coefficient calculating are expatiated on.

• 提出了基于零件关键标识的实例推理工艺派生方法,对基于零件关键标识的相似工艺检索原理和相似系数计算方法进行了详细阐述。