阀体的工艺分析与数控编程系部：学生姓名：专业班级：学号：指导教师：2011年4月1日声明本人所呈交的阀体的工艺分析与数控编程毕业设计说明书，是我在指导教师的指导和查阅相关著作下独立进行分析研究所取得的成果。除文中已经注明引用的内容外，本论文不包含其他个人已经发表或撰写过的研究成果。对本文的研究做出重要贡献的个人和集体，均已在文中作了明确说明并表示谢意。作者签名：日期：2011年4月1日【摘要】本课题利用PUMA400L数控车床对阀体完成加工，通过对本课题的研究使自己对企业产品的整个生产工艺流程有进一步的认识，对实际加工中所使用的机床设备.刀具.切削用量等有了更深的了解，将理论知识充分运用于实践当中，也使自己的动手能力有了很大的提高。【关键词】：数控技术；加工工艺；数控编程；阀体目录引言··································································1一.公司简介及加工阀体设备的简介·······································2（一）企业简介························································2（二）企业文化························································2（三）组织结构························································2（四）“PUMA400L数控车床”的主要参数··································3二.阀体的工艺分析及加工过程···········································5（一）结构和材料分析···················································5（二）加工过程卡片·····················································7三.刀夹具的选择·······················································8（一）数控加工对刀具的要求·············································8（二）刀具的选用原则···················································9（三）加工阀体刀具的选择···············································9（四）夹具的选择······················································10四.程序·······························································10总结··································································16参考文献······························································17谢辞·································································18引言数控技术也叫计算机数控技术，目前它是采用计算机实现数字程序控制的技术。这种技术用计算机按事先存贮的控制程序来执行对设备的控制功能。由于采用计算机替代原先用硬件逻辑电路组成的数控装置，使输入数据的存贮、处理、运算、逻辑判断等各种控制机能的实现，均可以通过计算机软件来完成。中核苏阀科技实业股份有限公司主要就是生产阀门的，生产阀门所用的机床也是很多的，有车床、镗床、钻床、数控车床、加工中心等。在生产阀体时，运用数控车床加工占的比例还是很大的，而本文主要阐述了在数控加工过程中解决的工艺问题及编程问题，能够结合本专业的知识，使自己的知识水平和技能水平得到提高。一.公司简介及加工阀体设备的简介（一）企业简介公司于一九九七年创立，是在承袭了中国核工业集团公司苏州阀门厂的主营业务、品牌、质保、技术和管理诸优势的基础上创立的上市股份公司，目前注册资本2016