摘要
本文论述了以微机辅助绘图软件ＡｕｔｏＣＡＤ为图形支撑软件实现机械图尺寸公差自动标注和尺寸标注的程序设计方法。用这种方法设计的程序面向用户，标注参数易于控制，使尺寸公差自动标注成为可能。
In this paper,the program design procedure of dimension tolerance auto marking of mechanical drawing is introduced in detail.It is supported by software AutoCAD.To user,the program designed by this procedure can easily control marking parameters and makes it possible to mark dimension tolerance automatically.
