Pro╱ENGINEER在钻床夹具设计中的应用.doc

Pro/ENGINEER在钻床夹具设计中的应用 摘 要 机床夹具在机械加工起着重要的作用，它直接影响着机械加工的质量，生产效率和成本，企业在长期的机床夹具设计过程中积累了丰富的设计经验，迫切需要一种高效可行的方法来重复利用这些已有的设计经验以提高机床夹具设计的质量和效率。钻床夹具是其中一种，对基于CAD软件Pro/E的钻床夹具快速设计理论和系统的开发方法进行了研究，主要研究内容和成果如下： 1．对钻床夹具零件库的自动建模原理和关键技术进行了研究，创建了钻床夹具零件和部件信息模型，实现了钻床专用夹具零件和部件的柔性建库。 2．在零件和部件信息模型基础上，建立了统一的钻床专用夹具对象装配模型，创建了钻床专用夹具对象装配规则，引入了钻床专用夹具分层次装配策略和有效路径装配策略。 关键词：Pro/ENGINEER,机床夹具,钻床夹具,机械加工  Pro/ENGINEER IN THE DRILLING FIXTURE DESIGN ABSTRACT Drilling fixture in the machining plays an important role, it directly affects the quality of machining, Productivity and costs, companies drilling in the long-term fixture design process, the design has accumulated rich Inspection, an urgent need for an efficient and feasible way to re-use the existing design experience to improve Drilling fixture design quality and efficiency.Drilling fixture is one of CAD software based on Pro / e of the drilling fixture rapid design theory and system development method is studied, mainly the study Content and results are as follows．1．On the drilling fixture parts library of automatically modeling principles and key techniques in detail the research, innovation Drilling jig built information model of parts and components, to achieve a drilling machine special fixtures and components of the soft parts Of storage．2． In the information model of parts and components, based on drilling to establish a unified object-specific fixture assembly Model, creating dedicated drilling fixture object assembly rules, the introduction of the drilling machine special fixtures installed at different levels with strategic and effective path to assembly, proposes rapid assembly path generation algorithm．  KEY WORDS： Pro/ENGINEER，Tool fixture ，Drilling fixture ，Machining 前　言 2 第1章 绪论 4 1.1机械加工 4 1.1.1机械加工当前的现状 4 1.1.2机械加工工艺系统 4 1.1.3 机械制造过程 5 2.1 Pro/ENGINEER与CAD软件的区别 8 2.1.1 Pro/ENGINEER软件的发展史 8 2.1.2 Pro/ENGINEER软件的特点及主要模块 9 2.2 Pro/ENGINEER软件的应用 10 2.2.1 Pro/ENGINEER软件在生产中的应用 11 第3章 钻床夹具的设计 12 3.1夹具的基本概念 12 3.2钻床夹具的基本概念 14 3