2、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 of the normal punch shaped the work
3、piece 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 production of similar workpieces. Punching die has b
4、een 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 technology nowadays,the use of punching die in the industial production gain
5、 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 production and could alleviate the work burden，so it has significant meaning in technol
6、ogic 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…………………………………………………………………24排样设计………………………………………………………………………………24.1材料利用率………………………………………………………………………24.2排样方法…………………………………………………………
