浮阀塔板的计算机辅助设计机械工程专业论文
摘要近年来科学技术和制造业有着飞速的发展，为了在激烈的竞争中不至于掉队，许多
摘要
近年来科学技术和制造业有着飞速的发展，为了在激烈的竞争中不至于掉队，许多 企业纷纷建立起了相应的CAD／CAM软件平台，使得CAD技术得到了快速的发展。现在 CAD技术已经渗透到工业产品设计的每一个阶段，使传统的设计方法发生了巨大的变 化。利用已经开发出的系统资源来快速开发出自己需要的具有特定功能的CAD系统有重 要意义。
本软件除了根据参数进行塔板的一般校核外，最大的特点是能根据用户输入的塔板 尺寸自动绘制弓形板、矩形板、通道板等塔板零件图及装配图，对塔板进行自动排孔， 并对所绘制的塔板图进行自动标注，把AutoCAD的优点和VB的优点结合到了一起。
本软件以浮阀塔板设计为主，软件的设计和绘图平台为AutoCAD2007，开发环境为 VB 6．0。系统数据输入采用文本框加表格控件的形式，使用者根据提示能很轻松地在界 面上输入所需要的数据，在进行校核及绘图时如果操作不当或者数据异常会有提示框来 提示错误，体现了人机对话和参数化绘图的特点。整个软件实用性和通用性强，有较好 的操作界面，简单方便，可以快速的完成传统塔板设计中需要手工完成的繁琐校核和绘 图工作，减少人为错误，缩短设计周期。系统具有良好的扩展能力，能极大地提高设计 规范性和设计效率，缩短新产品开发周期，具有重要的实用价值，是对塔板设计方法的 有益改革和探索。
关键词：塔板，CAD，参数化设计，数据库
Computer-aided
Computer-aided Design for Valve Tray
Li Fengjuan(College of Mechanical and Electrical Engineering)
Directed by Professor Yan Chengxin
Abstract
With the rapid development of science and technology and manufacturing industries in
recent years，the CAD／CAM software platform has been established by many enterprises， which made the CAD technology go into a rapid development stage．CAD technique already
has penetrated into every stage of industrial product design,which also leads tremendous changes for the traditional design method．It’S significance for designers to develop a CAD
system which has specific functions they need、^，i也existing resources．
By demonstrating development of CAD technology and characters of VB software， such a conclusion has been drawn that it is feasible to develop valve tray witll vb software．In this system valve tray has been taken as example to introduce the development process and implementation methods which Based on VB 6．0．Wim this system a series of work such as tray design,fluid check，load performance checking，automatic drawing according to the parameter which input by designer call easily be done by designers．This system has good
scalability,this advantage gr
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