Aiming at present difficult problems on the mold regulation of big radius arc workpiece,the way of drawing the mold regulation of big radius arc workpiece is attained,with which we can make success in engineering practice.

• 针对目前工程中存在的大曲率圆弧形工件放样难这一问题 ,作者通过分析圆弧之间的关系 ,探索出了一种画大曲率圆弧形工件放样的方法 ,在工程实践中应用该方法取得成功