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The Assemblability Evaluation Method Based on Operation Difficulty

Author: XuBing
Tutor: ZuoYanNian
School: Suzhou University
Course: Mechanical Engineering
Keywords: DFA Assembly relationship operative difficulty index neural network evaluation model
CLC: TH162
Type: Master's thesis
Year: 2009
Downloads: 72
Quote: 1
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Abstract


With the fierce competition in manufacturing industry, how to reduce the production cost, improve the product quality, and shorten the development cycle of the product have become the keys for enterprises to survive and develop. Assembly, especially DFA has become one of the main factors to influence the production efficiency. The evaluation has become an important section of DFA, and now it is the hot issue of the researchers.Based on the study of present DFA research and its relative problems, the writer put forward the subject“the Evaluation Method of DFA Based on the Operation Difficulty Index”and establishes the research subject and objective.According to the research content, first of all this thesis has made discussion on the basic principles of the evaluation of the DFA and its relative factors. Moreover, based on the discussion, assembly-relation model based on generalized link and assemblability evaluation model based on neural network have been constructed and DFA evaluation methods, which are ground on operative difficulty index, have been formed. Consequently, the evaluation methods are applied on CB Gear Pump DFA to make evaluation experiments. Through the experiments, it is approved that this topic is advanced, feasible and practical. And the research of this topic has formed theoretical, evaluative and experimental basis for the practical application of this method. Innovations of the thesis:(1) Through the investigating of the present DFA evaluation methods of the products home and abroad, the topic named‘the Evaluation Method of DFA Based on the Operation Difficulty Index’has been raised.(2) The DFA evaluation methods, which are based on the operative difficulty index, has been constructed.(3) Through evaluation testing and research, it has been approved DFA evaluation methods are advanced, feasible and practical.

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CLC: > Industrial Technology > Machinery and Instrument Industry > Machinery Manufacturing Technology > Process design
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