论文总字数：40226字

摘 要

在机械设计与制造发展的历史进程中，人们不断发明创造了很多新的优化模型和方法。其中MATLAB在机械的优化过程中，给各个领域的设计人员带来了极大的帮助。

本论文的重点研究在于应用MATLAB GUI进行弹簧、螺栓、轴承、轴的计算的优化设计，通过用户的输入参数，辅助用户进行计算以及优化。GUI是图形用户的简称。GUI的主要功能是实现人机交互。它是用于用户与操作系统之间的数据传输和交互控制的工具。对其研究的意义在于，弹簧、螺栓等零件是机械设计与制造过程中必不可少的重要零件。利用GUI的智能运算可以有效提高设计人员的设计效率、节约设计成本、降低设计难度，具有重要的现实意义，利用智能辅助工具协助设计，是未来机械制造的发展趋势。在使用GUI进行设计的过程中，设计者需要明确自己的目的并且深入了解各个零件与机构的运行原理。以本文为例，在设计中，要首先分析出弹簧、螺栓、轴承以及轴的受力情况，确定好优化目标，例如，弹簧的优化目标是质量最轻，螺栓的优化目标是成本最低，只有分析清除这些步骤，才能设计出合理的GUI优化程序。

关键词：MATLAB 优化设计 轴系

Optimization and Simulation Design of Shafting Components

Abstract

In the historical process of mechanical design and manufacturing development, people continue to invent and create many new optimization models and methods. In the process of mechanical optimization, MATLAB has brought great help to designers in various fields.

This paper focuses on the application of Matlab GUI to optimize the design of spring, bolt, bearing and shaft calculation. Through the user's input parameters, it helps the user to calculate and optimize. GUI is the abbreviation of graphic user. The main function of GUI is to realize human-computer interaction. It is a tool for data transmission and interactive control between users and operating system. The significance of the research is that the spring, bolt and other parts are essential parts in the mechanical design and manufacturing process. Using the intelligent operation of GUI can effectively improve the design efficiency, save the design cost and reduce the design difficulty. It has important practical significance. Using intelligent assistant tools to assist design is the development trend of mechanical manufacturing in the future. In the process of GUI design, designers need to know their own purpose and understand the operation principle of each part and mechanism. Taking this paper as an example, in the design, we should first analyze the stress of the spring, bolt, bearing and shaft, and determine the optimization goal. For example, the optimization goal of the spring is the lightest quality, and the optimization goal of the bolt is the lowest cost. Only by analyzing and clearing these steps can we design a reasonable GUI optimization program.

Key Words: MATLAB; Optimization Design; Shaft

目 录

摘要...............................................................................................................................I

ABSTRACT...................................................................................................................II

第一章 绪论..............................................................................................................1

1.1 机构现的学状和发展趋势 1

1.1.1 机构学的概念 1

1.1.2机构学发展现状 1

1.1.3 机构学发展趋势 2

1.2 MATLAB介绍 3

1.2.1 MATLAB简介 3

1.2.2 MATLAB主要功能 4

1.2.3 MATLAB特点 4

1.3本课题介绍 4

1.3.1 课题内容 4

1.3.2 课题具体工作 4

1.4 本文内容安排 4

第二章 弹簧的设计................................................................................................5

2.1 弹簧的常规设计 5

2.1.1问题的提出.........................................................................................5

2.1.2 M文件及其运行结果.........................................................................5

2.2 弹簧的优化设计 10

2.2.1 建立数学模型..................................................................................10

2.2.2 M文件及其运行结果.......................................................................10

2.3 常规设计与优优化函数化设计的比较.................................................................13

第三章 螺栓的设计..............................................................................................14

3.1 螺栓的常规设计 14

3.1.1 问题的提出......................................................................................14

3.1.2 M文件及其运行结果.......................................................................14

3.2 螺栓的优化设计 18

3.2.1 建立数学模型..................................................................................18

3.2.2 M文件及其运行结果.......................................................................18

3.3 常规设计与优化设计的比较.......................................................................20

第四章 轴承的设计.................................................................................21

4.1 轴承的常规设计..........................................................................................21

4.1.1 问题的提出......................................................................................21

4.1.2 M文件及其运行结果.......................................................................21

第五章 轴的计算 26

5.1 问题的提出 26

5.2 M文件及其运行结果 26

第六章 齿轮泵的三维建模 30

6.1 Pro/E简介 30

6.1.1 概述 30

6.1.2 工作环境 31

6.2 齿轮泵的零件建模 32

6.2.1 泵盖，泵体，垫片 32

6.2.2 小齿轮轴，大齿轮轴 35

6.3 齿轮泵的装配 37

第七章 总结与展望 39

7.1 毕业设计总结 39

7.2 毕业设计展望 40

7.3 经济成本核算 40

致谢 41

参考文献 42

附录一 44

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