This paper completed the research of computer aided design in aspect of screwthread of saw-tooth shape measunng and examining tools and production drawing conccemed.

• 建立了完整的锯齿形螺纹量检具数学模型及有关数据库，根据提示输入的基本参数，经计算机处理，可以自动生成量检具的全套设计图，提高了设计速度、设计精度和图面质量。