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1、XXXXXXXXX畢業(yè)綜合實(shí)踐姓名:名:XXX學(xué)號(hào):號(hào):XXXXXX專業(yè):業(yè):XXXXXX課程名稱:課程名稱:七字形電插片級(jí)進(jìn)模具設(shè)計(jì)指導(dǎo)教師:指導(dǎo)教師:XXX20XX年XX月XX日目錄第一章緒論..........................................................................................................................
2、......11.1沖壓成型與模具技術(shù)概述................................................................................................11.2沖壓成型模具的發(fā)展趨勢(shì)........................................................................................
3、........11.3沖壓成型模具的分類........................................................................................................21.3.1沖模.......................................................................................
4、.................................2第二章沖裁工藝..........................................................................................................................32.1產(chǎn)品的工藝分析..............................................
5、..................................................................32.1.1產(chǎn)品的分析............................................................................................................32.1.2產(chǎn)品的結(jié)構(gòu)和尺寸精度及表面質(zhì)量分析............
6、........................................................42.1.3產(chǎn)品的排樣、搭邊值、料寬及材料利用率........................................................42.2沖裁間隙............................................................................
7、................................................72.3凸模和凹模工作部分尺寸的計(jì)算....................................................................................72.4沖裁力...............................................................
8、.................................................................82.4.1沖裁力的計(jì)算:F=KLtτ(N)............................................................................82.4.2卸料力的計(jì)算:F卸=K卸F......................................
9、.........................................82.4.3推件力和頂件力....................................................................................................82.5模具壓力中心的確定.....................................................
10、...................................................92.6模具的閉合高度................................................................................................................92.7沖壓機(jī)選擇.....................................
11、...................................................................................9第三章彎曲工藝........................................................................................................................113.1彎曲件的
12、工藝性..............................................................................................................113.2彎曲件的回彈................................................................................................
13、..................113.2.1彎曲件的回彈值..........................................................................................................113.3彎曲力的計(jì)算.......................................................................
14、...........................................123.3.1自由彎曲時(shí)的彎曲力..........................................................................................123.3.2校正彎曲時(shí)的彎曲力.......................................................
15、...................................123.3.3壓彎時(shí)的頂件力和卸料力..................................................................................133.3.4彎曲時(shí)的壓力機(jī)噸位的確定..................................................................
16、............133.4彎曲模工作部分結(jié)構(gòu)參數(shù)的確定..................................................................................133.4.1彎曲凸模的圓角半徑..........................................................................................1
17、33.4.2彎曲凹模的圓角半徑及工作部分的深度...........................................................133.4.3彎曲凸模與凹模之間的間隙..............................................................................143.4.4彎曲凸模與凹模寬度尺寸的計(jì)算....................
18、..................................................143.5彎曲件的工序安排..........................................................................................................15第四章主要模板的尺寸設(shè)計(jì)及加工工藝................................
19、................................................174.1模板尺寸的確定(長(zhǎng)L,寬W,厚H).........................................................................174.1.1凹模的計(jì)算:................................................................
20、......................................174.1.2凸模長(zhǎng)度的確定..................................................................................................184.2主要零件的加工工藝........................................................
21、..............................................184.2.1凹模板的加工工藝..............................................................................................184.2.2墊板的加工工藝...................................................
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