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毕业设计自行车脚踏拉伸件 共23页，8271字 附零件图、装配图
第一章 模具行业CAD/CAE技术概述
第二章 冲压工艺方案的确定
第三章 工艺卡片
第四章 装配步骤
摘要：模具行业是国家工业发展的重要基础行业，各种先进技术应首先应用于模具行业，在汽车，电机，电机，仪表，电器，电子，通信和轻工等行业中，60%-80%的零件都要依靠模具成形，并且随着近年来这些行业的迅速发展，对模具的要求越来越迫切，精度要求越来越搞，结构也越来越复杂。用模具生产制件所表现出来的高精度，搞复杂性，搞一致性，搞生产效率和低消耗，是其他加工制造方式所不能比拟的。模具生产技术的高低，已成为衡量一个国家产品的制造水平的重要标准.尤其是冷冲模加工技术，冷冲模生产过程的主要特征是依靠冲模和冲压设备完成加工，便于实现自动化，生产率很高，操作简便.CAD/CAE技术作为一项重要的技术手段，正越来越广泛地在模具行业得以应用。
随着科学技术的不断进步和社会的高速发展，产品更新换代越来越快。无论是工业产品还是家电产品，大多数应用模具成型。因此，产品对模具的精度要求越来越高、越来越普及。由于模具是典型的技术密集型产品，为了表达清楚设计意图，设计人员必须花费大量的时间来绘制模架、顶杆、滑块等结构相对固定的零部件。目前，CAD/CAE的发展，为广大模具设计人员提供了方便。特别是近几年来，模具CAD/CAE技术发展很快，应用范围日益扩大，并取得了可观的经济效益。
关键词：模具；冷冲模；机械制造；CAD/CAE
Abstract：Die national industrial sector is an important foundation for the development of industry, advanced technology should be applied to the first mold industry, in the automotive, electrical, electronics, instrumentation, electrical, electronic, telecommunications and light industries, 60% -80% of the parts must rely on forming die, and in recent years with the rapid development of these industries, Die increasingly demanding urgent, engaging more precision, the structure has become increasingly complex. Mould parts production demonstrated by the high-precision, engage in complex, engaging consistency, engaged in manufacturing efficiency and low consumption, and other processing methods could be compared. The level of mold production technology, has become a measure of a country's level of product manufacturing an important criterion, particularly Die processing technology, Die production processes rely on the principal characteristics of die stamping equipment and completion of processing, and ease of automation, high productivity operation Simple. CAD / CAE technology as an important means of technology is more and more widely applied in the mold industry. ﹤br﹥ With constant scientific and technological progress and social development of the high-speed, product upgrades become ever faster. Both industrial products and household electrical appliances, most applications Molding. Therefore, the accuracy of die products on the increasingly high demands, becoming increasingly popular. The mold is a typical technology-intensive products, in order to clearly express design intent, the design must spend a lot of time to map the mold base, push, slide structure relatively fixed parts. At present, CAD / CAE development for the large number of die design provides convenient. Especially in recent years, CAD / CAE technology developed very quickly, and the increasing scope of application, and has made considerable economic benefits.
Keyword：Die; Die; machinery manufacturing; CAD / CAE