（毕业设计论文）《SMT设备及AOI测试》.docVIP

精品 苏州工业园区职业技术学院 毕业设计（论文） 届 课题名称： 课题名称： SMT设备及AOI测试 专业名称： 微电子 姓 名： 学 号： 班 级： 指导教师： 精品 苏州工业园区职业技术学院 毕业设计（论文）任务书 系部： 电子工程系 设计（论文）题目：SMT设备及AOI测试 指导教师： 职称：工程师 类别：毕业论文 学 生： 专业：微电子 班级：0237 设计（论文）的主要任务及目标 实践来提高自身的能力 2、设计（论文）的主要内容 有关SMT设备的介绍 AOI的简述 3、主要参考文献 蔡建国：《电子设备结构与工艺》，湖北科学技术出版社2004年第2版 袁少伟：《SMT工艺及设备》 4、进度安排 设计（论文）各阶段任务 起止日期 1 论文整体结构 4.6 2 收集资料 4.15 3 初稿完成 5.5 4 修订初稿 5.20 5 定稿 5.30 精品 摘要 SMT是指有关如何将基板、元件通过有效工艺材料和工艺组装起来。并确保有良好寿命的一门科技。半成品的良与不良取决与印刷的好坏，因此印刷机设备的质量尤为重要。贴片机是否能处理我们设计时所选的元件，把他们都准确的贴在所需的位置上，这就要对设备的灵活性方面有些了解。回流焊的重点为回流曲线，它的关键在于将产品板上最热和最冷点找出。通过对炉温的调制使这两点的范围设置在锡膏性能的要求范围内。应用上对知识的要求也较高，设备保养要求也高。AOI机器使用一个标准板传送带来在摄像机下面移动PCB，通过简单高频荧光管来照明。随着板在传送带上按刻度移动，在摄像机排列之下通过，通过将图像的立体象对排列构成一幅照相镶嵌图（photo-mosaic image）。然后这个照相镶嵌图合成地变平和实时地分析。 关键词：SMT 印刷机 贴片机 回流焊 AOI机器 精品 目录 一、概述　····································································································1 （一）了解表面安装 ················································································1 （二）对表面安装元件装贴的实际考虑 ····················································2 （三）SMT流程框图 ················································································2 二、印刷机····································································································4 （一）按自动化程度分类················································································4 （二）按网版及印刷台的形式分类····································································5 （三）按承印物形状分类················································································5 （四）印刷时要注意的问题·············································································5 三、贴片机···································································································· 6 （一）贴片机类型·························································································6 （二）表面组装工艺对贴片胶的要求···················