由天津大学机械系“模具CAD科研组”研究开发的“冲裁模CAD系统TD”于1985年6月30日在天津市科委主持下通过鉴定。 TD系统能够完成典型的单工序冲裁模、倒装复合模以及三工位连续模的设计工作。 TD系统分为两大部分,第一部分是设计计算部分,第二部分是计算机绘图部分。设计计算部分由十三个模块组成。计算机绘图部分用设计计算部分提供的数据,绘出零件图(制品)、排样图、装配图、用汉字输出标题栏、 By the Tianjin University Department of Mechanical “die CAD Research Group” research and development of the “blanking die CAD system TD” on June 30, 1985 under the auspices of Tianjin Science and Technology Commission passed the appraisal. TD system to complete a typical single-process blanking die, flip-composite die and three-station continuous mode design work. TD system is divided into two parts, the first part is the design calculation part, the second part is the computer drawing part. Design and calculation part consists of thirteen modules. Computer graphics part of the design calculation part of the data provided by drawing part drawings (products), layout drawings, assembly drawings, the output of the title bar with Chinese characters,