毕业设计----汽车发动机连杆胀断系统

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1、 i 摘 要 汽车发动机连杆胀断系统 连杆胀断工艺是国际上九十年代初发展起来的一种连杆加工新技术， 它从根本上改变了传统的连杆加工方法，大幅度提高了整体发动机的生产 技术水平，具有十分显著的经济效益和社会效益。 本文在对胀断工艺原理、胀断主机、装配螺栓及工件自动化传送装置 的详细分析的基础上，主要研究了胀断生产线的控制系统。 文中，首先确定了系统的电气控制方案并进行了必要的论证。根据电 气控制方案，对具体硬件电路进行了详细设计，并做了具体的说明。 本文的研究方法与技术线路是按胀断工艺的技术特点而确定，通过制 定整体技术方案、合理确定胀断主机的结构与主要技术参数、研究并设计 胀断自动化生产装备的

2、液压、电气及微机控制系统，全面满足连杆胀断技 术高精度、高质量、高效率的精益生产要求。 关键词关键词：连杆胀断工艺，可编程控制器 ii Abstract The bloated and broken technology of engine connecting rod of the automobile is a new kind of processing technology of automobile connecting rod which developed at the beginning of the 1990s in the world. it changes the tra

3、ditional processing method of connecting rod fundamentally, and it improves the level of technology of the whole engine by a large margin .It has very remarkable economic benefits and social benefit. This text firstly analyzes the principle of bloated disconnected craft, the bloated disconnected hos

4、t machine and the automatic assembling line in detail,then the text mainly study the control systems of the production line. In the text, we give the electrical control of the system and carrie on an essential demonstration. According to control method,the text designed the hardware circuit in detail, and gave the concrete explanation. The research approach of this text and technological circuit are fixed according to the technological characteristics of the craf