2、动强度大、劳动量大，严重影响生产效率的提高。随着当今科技的发展， 工业生产中模具的使用已经越来越引起人们的重视，而被大量应用到工业生产中来。冲压模具的自动送料技术也投入到实际的生产中，冲压模具可以大大的提高劳动生产效率，减轻工人负担，具有重要的技术进步意义和经济价值。关键词:冲压、模具、制造Abstract Punching die has been widely used in industrial production.The punching dies that utilized the feature o
3、f the normal punch shaped the workpiece in the room temperature,and its efficiency and economic situation is excellent. The dies here discussed can be easily made,conveniently used, and safely operated.And it could be used as the reference in the large scale p
4、roduction of similar workpieces. Punching die has been widely used in industrial production.In the traditional industrial production,the worker work very hard,and there are too much work,so the efficiency is low.With the development of the science and technolo
5、gy nowadays,the use of punching die in the industial production gain more attention, and be used in the industrial production more and more.Self-acting feed technology of punching die is also used in production, punching die could increase the efficience of pr
6、oduction and could alleviate the work burden，so it has significant meaning in technologic progress and economic value.Key word: punching、die、manufacture目录1绪论…………………………………………………………………………………12冲裁件的结构工艺性分析……………………………………………………………13冲压工艺方案的确定…………………………………………………………………
