軸承支撐座的機(jī)械加工工藝規(guī)程及工藝裝備鉆2-M4螺紋孔夾具設(shè)計(jì)【優(yōu)秀課程畢業(yè)設(shè)計(jì)含4張CAD圖紙+帶工藝過(guò)程及加工部分工序卡各1張+外文翻譯】-jjsj10
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參考卡片【不要可以刪掉】.rar
圖紙集合.dwg
外文翻譯
夾具體.dwg
夾具裝配圖.dwg
工藝過(guò)程綜合卡片.doc
文件清單.txt
毛坯圖.dwg
答辯稿.ppt
設(shè)計(jì)“軸承支撐座”零件的機(jī)械加工工藝規(guī)程及工藝裝備（假設(shè)年產(chǎn)量為5000件）.doc
軸承支撐座的機(jī)械加工工藝規(guī)程及工藝裝備設(shè)計(jì)【鉆2-M4螺紋孔夾具】說(shuō)明書正文.doc
軸承支撐座的機(jī)械加工工藝規(guī)程及工藝裝備鉆2-M4螺紋孔夾具設(shè)計(jì)
零件圖.dwg
目 錄
1 緒 論 1
2 軸承支撐座的分析 2
2.1軸承支撐座的工藝分析 2
2.2軸承支撐座的工藝要求 2
3 工藝規(guī)程設(shè)計(jì) 5
3.1 加工工藝過(guò)程 5
3.2確定各表面加工方案 5
3.2.1影響加工方法的因素 5
3.2.2加工方案的選擇 5
3.3 確定定位基準(zhǔn) 6
3.2.1粗基準(zhǔn)的選擇 6
3.2.1精基準(zhǔn)選擇的原則 6
3.4工藝路線的擬訂 7
3.4.1工序的合理組合 7
3.4.2工序的集中與分散 8
3.4.3加工階段的劃分 9
3.4.4加工工藝路線方案的比較 9
3.5軸承支撐座的偏差，加工余量，工序尺寸及毛坯尺寸的確定 11
3.5.1毛坯的結(jié)構(gòu)工藝要求 11
3.5.2軸承支撐座的偏差計(jì)算 12
3.6確定切削用量及基本工時(shí)（機(jī)動(dòng)時(shí)間） 12
3.7時(shí)間定額計(jì)算及生產(chǎn)安排 18
4 鉆孔夾具設(shè)計(jì) 21
4．1研究原始質(zhì)料 21
4．2定位基準(zhǔn)的選擇 21
4．3切削力及夾緊力的計(jì)算 21
4．4誤差分析與計(jì)算 22
4.5 零、部件的設(shè)計(jì)與選用 23
4.5.1定位銷選用 23
4.5.2夾緊裝置的選用 24
4.5.3 鉆套、襯套、鉆模板設(shè)計(jì)與選用 24
4．6夾具設(shè)計(jì)及操作的簡(jiǎn)要說(shuō)明 25
參考文獻(xiàn) 27
2 軸承支撐座的分析
2.1軸承支撐座的工藝分析
軸承支撐座是一個(gè)很重要的零件，因?yàn)槠淞慵叽绫容^小，結(jié)構(gòu)形狀較復(fù)雜，但其加工孔和底面的精度要求較高，此外還有小頭孔端要求加工，對(duì)精度要求也很高。軸承支撐座的底面、大頭孔上平面和小頭孔粗糙度要求都是，所以都要求精加工。其小頭孔與底平面有垂直度的公差要求，軸承支撐座底面與大頭孔上平面有平行度公差要求。因?yàn)槠涑叽缇取缀涡螤罹群拖嗷ノ恢镁?，以及各表面的表面質(zhì)量均影響機(jī)器或部件的裝配質(zhì)量，進(jìn)而影響其性能與工作壽命，因此它們的加工是非常關(guān)鍵和重要的。
1緒 論
工藝工裝設(shè)計(jì)課程設(shè)計(jì)的目的是讓學(xué)生在學(xué)習(xí)了機(jī)械制造技術(shù)基礎(chǔ)和進(jìn)行了校內(nèi)外的生產(chǎn)實(shí)習(xí)之后讓學(xué)生獲得綜合運(yùn)用過(guò)去所學(xué)過(guò)的全部課程進(jìn)行工藝及結(jié)構(gòu)設(shè)計(jì)的基本能力。同時(shí)，課程設(shè)計(jì)也是為了畢業(yè)設(shè)計(jì)進(jìn)行一次綜合訓(xùn)練和準(zhǔn)備。機(jī)械制造技術(shù)基礎(chǔ)的課程設(shè)計(jì)可以使學(xué)生在下述三方面得到鑄煉：
（1）能把機(jī)械制造技術(shù)基礎(chǔ)課程中的基本理論和在校內(nèi)外生產(chǎn)實(shí)習(xí)中學(xué)到的實(shí)踐知識(shí)有機(jī)的相結(jié)合，從而解決零件在加工中的定位、夾緊以及工藝路線安排、工藝尺寸確定等問(wèn)題，從而確保零件的加工質(zhì)量。
（2）提高學(xué)生的機(jī)械結(jié)構(gòu)設(shè)計(jì)能力。通過(guò)針對(duì)某一典型零件的夾具（或量具）的設(shè)計(jì)，從而使學(xué)生能夠通過(guò)所給出的被加工零件的加工要求，設(shè)計(jì)出高效率、低成本、裝夾簡(jiǎn)單、省力、省時(shí)而能保證加工質(zhì)量的夾具的能力。
（3）鑄煉學(xué)生使用手冊(cè)及圖表資料的能力。能夠熟練地依據(jù)給定的任務(wù)而
查找相關(guān)的資料、手冊(cè)及圖表并掌握其中的設(shè)計(jì)信息用于設(shè)計(jì)參數(shù)的確定。而機(jī)床夾具是為了保證產(chǎn)品的質(zhì)量的同時(shí)提高生產(chǎn)的效率、改善工人的勞動(dòng)強(qiáng)度、降低生產(chǎn)成本而在機(jī)床上用以裝夾工件的一種裝置，其作用是使工件相對(duì)于機(jī)床或刀具有個(gè)正確的位置，并在加工過(guò)程中保持這個(gè)位置不變。它們的研究對(duì)機(jī)械工業(yè)有著很重要的意義，因此在大批量生產(chǎn)中，常采用專用夾具。
而本次對(duì)于軸承支撐座加工工藝及夾具設(shè)計(jì)的主要任務(wù)是：
⑴ 完成軸承支撐座零件加工工藝規(guī)程的制定；
⑵ 完成某一道工序的鉆孔專用夾具的設(shè)計(jì)。
通過(guò)對(duì)軸承支撐座零件的初步分析，了解其零件的主要特點(diǎn)，加工難易程度，主要加工面和加工粗、精基準(zhǔn)，從而制定出軸承支撐座加工工藝規(guī)程；對(duì)于專用夾具的設(shè)計(jì)，首先分析零件的加工工藝，選取定位基準(zhǔn)，然后再根據(jù)切銷力的大小、批量生產(chǎn)情況來(lái)選取夾緊方式，從而設(shè)計(jì)專用夾具。
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