精选优质文档-倾情为你奉上KBE-based stamping process paths generated for automobile panels Jinqiao Zheng . Yilin Wang . Zhigang Li Abstract: As automobile body panels are one kind of sheet metal part with groups of free form surfaces, the process planning is more complicated than common sheet metal stamping to implode effectively and practically. Based on KBE, new frameworks have been presented as intelligent master model at the system level and as procedure model at the activity level
