根据客车密封件及加强筋件的结构特点, 归纳出薄板折边件的一些简便的制作方法。 关键词: 客车 圆弧 折边 Abstract: A cco rding to st ructure characters of the bus sealing and reinfo rced components, the easy manufacturing method of the sheet2bending parts are concluded. Key words:Bus, Circular arc, Fo lding edge