基于ObjectARX机械标准件三维参数化图形库软件的建立--AutoCAD的二次开发

机械设计CAD已由二维迅速向三维发展,这是设计领域的一次巨大变革.三维造型变量实体设计和三维装配设计已显现出明显的优势.而在三维装配设计中用量大的标准件、常用件的三维参变量实体造型库的不完备、不符合我国标准的状况自然是一个急待解决的重要环节.因此,有必要开发能快速、准确查询并能自动绘制三维机械标准件的软件,以提高设计速度,节省人力资源.文章以计算机图形学为理论基础,采用VC 6.0和ObjectARX3.0语言在AutoCAD2000设计平台上开发了三维参数化标准件库.简要介绍了系统的结构和关键技术的实现过程.

The Realize of 3D Parametric Design for Mechanical Standard-part Library Software--Development Based on AutoCAD

The machine CAD has rapidly developed from 2D to 3D, which is a big change in design fields. Variation solid design for 3D model and 3D assemble design has presented obvious advantage. The standard and general parts of 3D variation solid model library are not perfect and not agree with to our country standard, it's a important part that need to be solved. So it's necessary to develop the software so that it can rapidly and accurately search and automatically design 3D machine standard parts.This paper introduces the technology of 3D parametric design for standard-part library. Using ObjectARX3.0 and VC++6.0 language to develop application programs for second development in AutoCAD. The system construction and the key technique of realize process was showed.