MBF32-250型气缸的疲劳破坏试验研究

发布时间：2018-01-14 09:31

本文关键词：MBF32-250型气缸的疲劳破坏试验研究　出处：《电子科技大学》2012年硕士论文　论文类型：学位论文

更多相关文章：气缸 疲劳破坏试验 试验设计 PLC 测试

【摘要】：气压传动技术具有安全、可靠、无污染、成本低等特点，所以广泛应用于工业自动化生产中。而作为气动系统最基本的执行元件，气缸同样应用场合广泛，所以对气缸的疲劳破坏、疲劳寿命等研究意义重大。本文选用日本SMC公司的MBF/L32-250系列标准气缸作为研究对象，以该气缸的疲劳破坏试验为研究课题，从疲劳破坏理论和试验系统设计两个方面入手，对气缸疲劳破坏模式、原因和特点进行研究，并由此进行气缸疲劳破坏试验系统设计研究。本文首先从疲劳破坏特征和疲劳破坏机制两方面论述了疲劳破坏理论，其中包括一些基本概念以及相关领域国内外情况和发展水平。接着以课题所用试验气缸为例学习认识气缸的构造、分类和特性，并通过疲劳破坏理论的学习结合对试验气缸的认识，研究分析气缸的疲劳破坏特点和原因，并确定气缸疲劳破坏模式，为制定试验方案做理论铺垫。根据气缸疲劳破坏理论分析和具体试验要求，本文确定是疲劳破坏试验方法，并据此开展试验设计，在确定疲劳破坏试验方案时对频率、负载、速度等重点试验因素进行了特性分析，并使用相关仿真软件对试验因素特性进行仿真说明。然后，本文以气动试验国际标准ISO19973-3为指导进行试验系统设计，，具体包括从安装、减震、固定角度考虑设计的组装式气缸试验平台、能为气缸提供稳定、洁净压缩空气的气动系统设计以及可安全、方便、可靠控制气缸运行和测试的电气控制系统设计等三方面，旨在为气缸疲劳破坏试验提供安全、准确的运行环境和测试条件。完成试验系统设计后，本文选用相应的仪器仪表并通过设计的试验数据采集方法实现对相关气缸试验数据的准确采集，从而可以掌握整个气缸寿命过程的数据变化情况，为后续试验处理提供数据支持。最后，对试验数据进行分类说明，并提出了一种可行的数据处理方法，可以简单有效的分析气缸疲劳破坏试验数据。
[Abstract]:Pneumatic transmission technology has the characteristics of safety, reliability, no pollution, low cost and so on, so it is widely used in industrial automation production. As the most basic actuator of pneumatic system, cylinder is also widely used. Therefore, it is of great significance to study the fatigue failure and fatigue life of cylinder. In this paper, the MBF/L32-250 series standard cylinder of SMC Company of Japan is chosen as the research object. Taking the fatigue failure test of the cylinder as the research subject, the fatigue failure mode, causes and characteristics of the cylinder are studied from the two aspects of fatigue failure theory and test system design. The fatigue failure test system of cylinder is designed and studied. This paper first discusses the fatigue failure theory from the fatigue failure characteristics and fatigue failure mechanism. It includes some basic concepts as well as the domestic and foreign situation and the level of development in the related fields. Then take the experimental cylinder used in the subject as an example to learn about the construction classification and characteristics of the cylinder. Through the study of fatigue failure theory and the understanding of test cylinder, the characteristics and causes of cylinder fatigue failure are studied and analyzed, and the fatigue failure mode of cylinder is determined. According to the theoretical analysis of cylinder fatigue failure and the specific test requirements, this paper determines the fatigue failure test method, and carries out the test design accordingly, when determining the fatigue failure test plan, the frequency, load. The characteristics of the key test factors such as speed are analyzed and the simulation software is used to illustrate the characteristics of the test factors. In this paper, the design of the test system is conducted under the guidance of the international standard ISO19973-3 for pneumatic test, including the design of the assembled cylinder test platform from the angle of installation, shock absorption and fixation. It can provide stable, clean compressed air pneumatic system design and the design of electrical control system which can safely, conveniently and reliably control the cylinder operation and test. The purpose is to provide safe and accurate operating environment and test conditions for cylinder fatigue failure test. After the design of the test system, this paper selects the corresponding instruments and instruments, and through the design of the test data acquisition method to achieve the accurate collection of relevant cylinder test data. Thus we can master the data change of the whole cylinder life process, and provide data support for the subsequent test processing. Finally, the test data are classified and explained, and a feasible data processing method is proposed. The test data of cylinder fatigue failure can be analyzed simply and effectively.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TH138.51

【引证文献】