sister 发表于 2009-4-16 09:09:53

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适用专业:模具设计与制造
适用年级:高职
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论文编号:90983
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论文简介:
毕业设计 铰链件冲压模 共27页,6579字 附英文翻译
摘 要
本设计为冲压模设计,先落料后进行预弯、卷圆。
本零件为铰链件,要求有较高的耐腐蚀性。抗拉强度和耐磨性能好,广泛应用于机械化工行业中。
本文按照模具设计的一般步骤,先进行零件的冲压工艺性的分析而后拟定了冲压零件的工艺方案。确定了冲压件的排样方式和裁板方法,并计算材料利用率。
参照《冲压手册》计算出工序压力,确定压力中心,选择压力机。然后是根据确定的工艺方案、冲压件的形状特点、精度要求、生产批量、模具的制造和维修条件,操作与安全,以及上料,出件的方式,使用设备等各方面的情况确定冲模类型与结构。
确定模具结构后再设计、计算模具的工作零件、定位零件、压料、卸料及出件零件、导向零件、固定零件、紧固及其他零件,并使其分布合理。
该零件的模具由落料模,预压弯曲模和卷圆弯曲模三部分组成。落料模采用钢性卸料、闭式压力机、中间导柱模架、便于前后送料。预压弯曲模采用后侧导柱模架,有压料板和止退块。
关键字:落料,预压,中间导柱、

目 录
前言∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6
第一章 零件的工艺分析∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8
第二章工艺方案的拟定及预弯模结构的确定∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10
第三章 排样方式、裁板方法和材料利用率∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12
§3.1计算毛坯尺寸∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12
§3.2排样方式∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙&#8


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vincentinho 发表于 2009-7-22 00:07:25

...

一日,某君的老婆生小孩,他急急忙忙跑到医院看望,等了n个小时,产房里传来了哭声,他高兴大喊,我做爸爸了!这时医生满脸愁容走出来,告诉他,小孩子先天畸形。某君呆在那,还没明白什么原因,忽然产房里传来了他老婆的喊叫:都怪那天杀的,看贴老不回贴,报应呀 99%的人看完后当场含笑而死.....如果你没有倒地那你就是1% .

zhufeng518 发表于 2009-9-8 16:25:35

好哈啊!

bek 发表于 2013-2-19 12:43:39

很好呀  我也要

很好呀  我也要

hong84 发表于 2013-4-5 12:29:34

...

一日,某君的老婆生小孩,他急急忙忙跑到医院看望,等了n个小时,产房里传来了哭声,他高兴大喊,我做爸爸了!这时医生满脸愁容走出来,告诉他,小孩子先天畸形。某君呆在那,还没明白什么原因,忽然产房里传来了他老婆的喊叫:都怪那天杀的,看贴老不回贴,报应呀 99%的人看完后当场含笑而死.....如果你没有倒地那你就是1% .

KissDeath1000 发表于 2013-4-5 17:31:46

积分不够 下不了啊

ywdzhy 发表于 2013-4-6 10:50:50

这个正是我所需要的,为了200积分我努力中~

nmjk67890 发表于 2013-4-6 11:26:33

我要积分!!!!!!!!!!!!!!!!!!

3983495 发表于 2013-4-7 09:46:13

下不了啊

tongyi007 发表于 2013-4-7 22:17:11

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