毕业设计 进气管后盖板的冲压模具设计 - 模具设计类 - 模具设计
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| 以下是引用片段： 毕业设计 进气管后盖板的冲压模具设计 共37页，11627字 进气管后改板 摘 要 拉深是利用有一定圆角半径的拉深模，将平板毛坯或开口空心毛坯冲压或容器状零件的冲压过程。拉深模主要分为一次拉深和两次拉深或再拉深的多次拉深模。本套模具；拉深较浅，经过计算一次拉深成行。 此套模具的总体设计思想是把经济、合理、实用作为最基本的出发点，从坯料排样到模具设计与制造，都严格遵循在整套模具设计过程中，涉及到许多工序。在对零件工艺性分析时，首先要考虑的问题是制件的精度要求，然后对各尺寸以及形状进行详细分析；工艺方案拟定时，列出各种可行的方案，比较取最佳，即为工艺方案；各工艺参数的计算和确定必须做到有据可依，有书可查，以确保计算结果的可靠性。。 [资料来源：http://think58.com] 通常，没有压边圈的模具主要用于拉深较浅的零件或不会产生一些常见起皱的厚板料。带弹簧或橡皮垫的压边圈，一般固定在上模，它们主要用在浅拉. 在本次拉深模设计中，是具有压边圈的首次拉深. 气垫带动压边圈，拉深凸模放在下模座中，拉深凹模放在上模座中。 在设计制件时，总共用了两道工序，一道工序是拉落料边拉深，另一道工序切边冲孔。 关键词：拉深模，工序，工艺方案 ABSTRACT Pull the deep to make use of to have the deep mold of pulling of radius of certain circle Cape, and wash the hollow semi-finished product of flat panel semi-finished product or openings to press or container the washing of spare parts press the process. Pull the deep mold to primarily is divided in to pull a time deep with twice pull deep or pull the deep again to many times pull the deep mold.This molding tool;Pull deep shallow, pass by to compute to pull a time deep embark on a journey. [资料来源：www.THINK58.com] The total design thought of this molding tool is economy, reasonable, practical the most basic point of departure of the conduct and actions, line up the kind to the molding tool to design and make from the , and all and strictly follow in whole molding tool to design in the process, and involve the many work preface .At to problem that spare parts the craft analyze, want the consideration first is an accuracy request to make piece, and then proceeds to each size and shape detailed analysis;When the craft project draft, list the every kind of and viable project, and more take the best, namely for the craft project;Each craft calculation that count with certain attain to have according to can according to, the there is booking can check, then insure the calculation the dependable that pan out.. [资料来源：THINK58.com] Usually, did not press the side turn the slab for of molding tool primarily used foring pulling the deep shallow spare parts or can’t producing some familiarly shriveling.Take the pressing of spring coil or rubber mat the side turn, general fixed primarily use in the last mold, they at shallow pull. At this pull the inside of deep mold design, and have to press the side turn for the very first time to pull deep. The air cushion arouses to press the side turn, and pull the deep and convex mold to put in the next mold, and pull the deep and cave mold to put in the last mold. [资料来源：http://think58.com] At design system piece, altogether used two work prefaces, a work preface to pull the the side to pull deep, another a work preface slice the side to hurtle the bore. Key phrase:Pull the deep mold, work preface, craft project 目 录 摘要 前言 第一章 接受任务书及产品图…………………………6 第二章 冲压件工艺性分析………………………………6 §2.1 对冲压件的分析………………………6 §2.2 冲压件材料分析……………………7 第三章冲压工艺方案的确定…………………………7 第四章确定毛坯尺寸、拉深次数及排样方案……9 §4.1选取修边系数…………………………………9 §4.2 计算毛坯尺寸……………………………………9 §4.3 确定能否一次拉成……………………………9 [来源：http://www.think58.com] §4.4排样方式……………………………………………10 §4.5材料利用率计算…………………………………10 第五章 压力中心的确定、工序压力计算及压力机的选用…………………………………………………………11 §5.1 压力中心的确定………………………………11 §5.2第一道工序落料拉深力的计算及压力机选择…………………………………………………………………11 §5.3第二道工序落料拉深力的计算及压力机的选择………………………………………………………………13 第六章模具结构的分析…………………………………14 §6.1第一套模具结构图…………………………14 §6.2模具结构中的主要零部件的分析……………………………………………………………………15 §6.3 模具工作部分零件刃口尺寸……………………………………………………………………20 §6.4第二套模具模具图及工作部分尺寸……………………………………………………………………21 总结…………………………………………………………………25 参考文献…………………………………………………………26 [版权所有：http://think58.com] 致谢…………………………………………………………………27 附件………………………………………………………………… |