形象思维与工程语言 杨培中博士副教授 上海交通大学 pzyang@sjtu.edu.cn Created by Peizhong Yang,School of Mechanical Engineering,SJTU 1
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 1 形象思维与工程语言 杨培中 博士 副教授 上海交通大学 pzyang@sjtu.edu.cn
内容 工程设计回顾 质量功能展开(QFD) √概述 √QFD概念 √QFD示例 √QFD四阶段 √QFD步骠 √总结 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 2
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 2 工程设计回顾 质量功能展开( QFD ) 概述 QFD概念 QFD示例 QFD四阶段 QFD步骤 总结 内容
1.工程设计回顾 1.问题详述/Problem specification -理解客户需求 -转换成工程需求 2.概念(方案)设计/Conceptual design -设计多个方案 -选择几个好方案 -进一步优化方案 -选择最好的方案 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 3
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 3 1. 工程设计回顾 1. 问题详述/Problem specification - 理解客户需求 - 转换成工程需求 2. 概念(方案)设计/Conceptual design - 设计多个方案 - 选择几个好方案 - 进一步优化方案 - 选择最好的方案
1.工程设计回顾 3.详细(技术)设计/Detailed design -大小和尺寸 ·公差和表面粗糙度 -生成工程图 4.施工/Production -加工计划/工艺 -加工原型 -表面处理、装配等 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 4
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 4 1. 工程设计回顾 3.详细(技术)设计/ Detailed design - 大小和尺寸 - 公差和表面粗糙度 - 生成工程图 4.施工/Production - 加工计划/工艺 - 加工原型 - 表面处理、装配等
2.QFD 概述 设计/加工一体化 好处:更好地协调公司的运转,可以降低成本 ,提高对客户的服务水平。 以前,有很多“工匠”,往往 设计-加工-销售-服务。 问题:这种“工匠”模式不能 大规模产品需要任务的分解,需 相互支持和合作。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 5
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 5 设计/加工一体化 好处:更好地协调公司的运转,可以降低成本 ,提高对客户的服务水平。 以前,有很多“工匠”,往往一个人从事调研 -设计-加工-销售-服务。 问题:这种“工匠”模式不能扩大生产规模。 大规模产品需要任务的分解,需要各种团队的 相互支持和合作。 2.QFD 概述
2.QFD 概述 ·大公司往往有很多按功能划分的部门 (如Boeing公司) 如何达到设计加工的一体化,以提高 产品的竞争优势? 这是一个非常活跃的研究领域,也形 成了很多方法和计算机工具。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 6
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 6 大公司往往有很多按功能划分的部门 。 (如Boeing 公司) 如何达到设计/加工的一体化,以提高 产品的竞争优势? 这是一个非常活跃的研究领域,也形 成了很多方法和计算机工具。 2.QFD 概述
2.QFD 概述 并行工程 Marketing Product Process Manufacturing Not Markeling Producl Process Manufacluring Created by Peizhong Yang,School of Mechanical Engineering,SJTU 7
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 7 2.QFD 并行工程 概述
2.QFD 概述 信息传递图 Customer Salesman Distribution Market. Researcher Production Worker Product Manufacturing Planner Engineer Design Engineer 当信息返回到客户时,是否保持不变? Created by Peizhong Yang,School of Mechanical Engineering,SJTU 8
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 8 信息传递图 2.QFD 当信息返回到客户时,是否保持不变? 概述
2.QFD 概述 示列:英语一俄语一英语翻译 “The spirit is willing,but the flesh is weak.” 变成了 “The wine is o.k.,but the meat is rotten.” 结论: 表达客户需求信息时,要直接表达,不能翻译。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 9
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 9 示列: 英语—俄语—英语翻译 “The spirit is willing, but the flesh is weak.” 变成了 “The wine is o.k., but the meat is rotten.” 2.QFD 结论: 表达客户需求信息时,要直接表达,不能翻译。 概述
2.QFD QFD概念 QFD:Quality Function Deployment 定义: 将客户需求转换成公司(工程)需求 的系统方法,包括设计的各个阶段: 从市场调研和产品开发到施工,到销 售,到配送等。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 10
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 10 QFD:Quality Function Deployment 定义: 将客户需求转换成公司(工程)需求 的系统方法,包括设计的各个阶段: 从市场调研和产品开发到施工,到销 售,到配送等。 2.QFD QFD概念