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工程设计学报
Chinese Journal of Engineering Design  2015, Vol. 22 Issue (2): 123-128    DOI: 10.3785/j.issn. 1006-754X.2015.02.004
    
Design change of adaptable-function machine based on function-structure model
YIN Xi1，2， DENG Yi-min1，2， YANG Peng1，2
1. Faculty of Mechanical Engineering and Mechanics， Ningbo University， Ningbo 315211， China；
2. Key Lab of Part Rolling Forming Technology of Zhejiang Province, Ningbo 315211， China
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Abstract  To study the design change process of adaptable-function machine and its relevant design methodology, the mapping relationship between function and structure in the process of design change on mechanical products were investigated from the perspective of conceptual design based on function-structure mapping model. Three constraint rules of design change were proposed, including the mapping relationship, the constitute relationship and the bidirectional constraint relationship. The associations of functions were analyzed by means of function abstraction in engineering design, by which the product structure was decomposed into changing structure and sharing structure, and the design change could be realized by recombination of the two kinds of structures. Based on these, the design change flowchart and five fundamental steps for realization of design change were proposed, together with a design change execution figure. Finally, a case study of redesigning the numerically control of CA6140 machine was provided to validate the feasibility of the proposed methodology, by using the execution figure of design change.

Key words： adaptable-function machine      function-structure model      design change      combinatorial design     
Received: 02 December 2014      Published: 28 April 2015
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Cite this article:

YIN Xi， DENG Yi-min， YANG Peng. Design change of adaptable-function machine based on function-structure model. Chinese Journal of Engineering Design, 2015, 22(2): 123-128.

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https://www.zjujournals.com/gcsjxb/10.3785/j.issn. 1006-754X.2015.02.004     OR     https://www.zjujournals.com/gcsjxb/Y2015/V22/I2/123


可变功能机械基于功能-结构模型的设计变更

为研究可变功能机械设计变更过程和相关设计方法，从机械产品概念设计的角度出发，基于功能-结构映射模型，分析了机械产品在设计变更中功能与结构之间的映射关系，提出了3种变更约束规则．借助工程设计学中功能抽象化的方法进行功能关联性分析，并将产品结构分解为变更结构体和共享结构体，通过结构体的组合来实现产品的设计变更．在此基础上，建立了产品设计变更流程图，将变更过程划分为5个阶段，并提出变更执行图．最后基于功能-结构映射模型，通过设计变更执行图对CA6140车床进行了数控改造，验证了该映射模型应用于机械产品可变功能设计变更的可行性．

关键词： 可变功能机械,  功能-结构模型,  设计变更,  组合式设计 
[1] YIN Xi, DENG Yi-min, YANG Peng. Change propagation process and characteristic analysis of adaptable-function machine based on FBS[J]. Chinese Journal of Engineering Design, 2016, 23(1): 8-13,21.
[2] LI Yu-Liang. Time evaluation for product parameterization design change[J]. Chinese Journal of Engineering Design, 2006, 13(4): 217-223.