400g奶粉全开口压合盖金属罐结构设计.doc

中 北 大 学 xxxx 届 包 装 工 程 课 程 设 计第 0 页 共 20 页目录1 内装物的特性分析及咖啡罐方案设计 ............................................................................................31.1 内装物的特性分析 .................................................................................................................31.2 产品的包装要求 .....................................................................................................................31.3 咖啡罐方案设计 .....................................................................................................................32 选定罐形，确定罐容尺寸规格 ........................................................................................................32.1 咖啡罐的罐型、结构 ...........................................................................................................42.1.2 应满足内装物的包装要求。

......................................................................................42.1.3 金属包装可用两片罐和三片罐 ..............................................................................42．2 规格尺寸 ............................................................................................................................53 咖啡罐材料的选择及依据 ................................................................................................................53.1 咖啡罐的原材料选择 .............................................................................................................53.1.1 材料种类确定 ..............................................................................................................53.1.2 材料厚度的确定 ..........................................................................................................63.2 咖啡罐的辅助材料选择 .........................................................................................................63.2.1 咖啡罐涂料 ..................................................................................................................63.2.2 彩色油墨 ......................................................................................................................63.2.3 密封胶 ..........................................................................................................................73.2.4 焊接铜线 ......................................................................................................................84 咖啡罐容器的结构设计 ....................................................................................................................84.1 咖啡罐整体结构形式 .............................................................................................................84.2 咖啡罐的细节结构与尺寸设计 .............................................................................................84.2.1 罐盖结构与尺寸 ..........................................................................................................84.2.2 二重卷边结构 ..............................................................................................................95 咖啡罐的封口形式 ............................................................................................................................96 装潢及外喷涂设计 ............................................................................................................................96.1 内喷涂 .....................................................................................................................................96.2 外喷涂 .....................................................................................................................................96.3 焊缝补涂 ...............................................................................................................................106.4 外装潢设计 ...........................................................................................................................107 喷雾罐的制造工艺 ..........................................................................................................................107.1 三片罐加工工艺流程 ...........................................................................................................107.1.1 制造工艺流程 ..........................................................................................................107.1.2 罐身纵缝焊接 .............................................................................................................117.1.3 罐身与罐盖，罐底的封合 .........................................................................................117.2 咖啡罐尺寸的确定过程： ....................................................................................................118 校核检验 ..........................................................................................................................................178.1 泄露检验 ...............................................................................................................................178.2 变形压力和爆破压力试验 ....................................................................................................178.3 外观检测 ................................................................................................................................178.4 可燃性检测 ...........。