产品设计 课程设计说明书 设 计 题 目 : 洗 衣 机 设 计 工 程 机 械 学 院 工 业 设 计 25010801 班 设 计 者 : 王 璐 希 杨 兵 兵 魏 马 丁 **** : *** 2011 长安大学Chang’An University 2 目 录 一. 市场调查 1.洗衣机概述···············································第 3 页 2.洗衣机的分类·············································第 3 页 3.按洗衣原理分类,不同类型洗衣机比较·······················第 3 页 4.用户选购·················································第 5 页 二. 设计分析 1. 洗衣机功能分析··········································第 6 页 (1)利用黑箱法确定总功能 (2)逆推法建立洗衣机功能树 (3)绘制功能结构图 2. 根据功能树,求各个功能元解······························第 13 页 3. 原理方案组合············································第 15 页 三、评价筛选 1.功能元的解的筛选·········································第 17 页 2.方案组合·················································第 21 页 3.方案筛选·················································第 23 页 (1)评价目标权重计算 (2)建立洗衣机目标树 (3)洗衣机原理解方案确定 (4)洗衣机原理方案优化 4.最终方案确定·············································第 27 页 四.最终方案展示········································第 34 页 五.心得体会············································第 33 页 六.参考文献·································...