極限開關(guān)座機(jī)械加工工藝規(guī)程及119.5底面銑削夾具設(shè)計(jì)【銑前端面B平面夾具+優(yōu)秀課程畢業(yè)設(shè)計(jì)+含4張CAD圖紙+帶19頁(yè)加正文7500字】-jjsj04
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外文翻譯
夾具體零件圖.dwg
夾具裝配圖.dwg
工序卡片.dwg
工藝過(guò)程卡片.doc
文件清單.txt
機(jī)械加工工序卡片 14張.doc
極限開關(guān)座-銑削119.5底面夾具設(shè)計(jì).doc
極限開關(guān)座毛坯.dwg
極限開關(guān)座零件圖.dwg
設(shè)計(jì)說(shuō)明書.doc
說(shuō)明書封面.doc
目 錄
一 設(shè)計(jì)任務(wù)書………………………………………………………………………………… 2
1 設(shè)計(jì)題目………………………………………………………………………………… 2
2 課程設(shè)計(jì)目的…………………………………………………………………………… 3
3 設(shè)計(jì)內(nèi)容要求…………………………………………………………………………… 4
二 有關(guān)零件說(shuō)明……………………………………………………………………………… 5
1 零件的作用及工作條件………………………………………………………………… 5
2零件的結(jié)構(gòu)及工藝特點(diǎn)………………………………………………………………… 5
3零件技術(shù)要求分析及主加工面的確定………………………………………………… 5
4零件結(jié)構(gòu)工藝性及選材分析…………………………………………………………… 6
三 有關(guān)設(shè)計(jì)條件的說(shuō)明……………………………………………………………………… 6
四 毛坯的確定………………………………………………………………………………… 6
1 確定毛坯…………………………………………………………………… 6
2 毛坯精度等級(jí)……………………………………………………………… 6
3 估計(jì)加工表面的機(jī)械加工總余量………………………………………… 6
4 毛坯技術(shù)要求……………………………………………………………… 6
五 有關(guān)基準(zhǔn)選擇說(shuō)明………………………………………………………………………… 7
1 正確選擇定位基準(zhǔn)……………………………………………………………………… 7
六 擬定工藝路線及重點(diǎn)工序的說(shuō)明………………………………………………………… 8
1確定各加工表面的加工方法機(jī)加工方案……………………………………………… 8
2 確定工序集中與分散…………………………………………………………………… 9
3 加工工藝方案的擬定…………………………………………………………………… 9
七 確定加工余量，工序尺寸和公差………………………………………………………… 11
1 確定各粗銑表面的加工余量及工序尺寸………………………………………………11
2 確定各須精加工面的加工余量及工序尺寸……………………………………………11
3 根據(jù)以上數(shù)據(jù)繪制零件毛坯圖。………………………………………………………12
八 確定一個(gè)工序的切削用量…………………………………………………………………13
1 確定刀具…………………………………………………………………………………13
2 確定進(jìn)給量………………………………………………………………………………13
3 確定轉(zhuǎn)速和銑削速度……………………………………………………………………13
九 時(shí)間定額的確定……………………………………………………………………………13
1 計(jì)算機(jī)動(dòng)工時(shí)……………………………………………………………………………13
2 計(jì)算工序輔助工時(shí)………………………………………………………………………14
3 計(jì)算工序作業(yè)工時(shí)………………………………………………………………………14
十 夾具設(shè)計(jì)……………………………………………………………………………………15
1 定位基準(zhǔn)的選擇…………………………………………………………………………15
2 定位元件與夾緊機(jī)構(gòu)的確定……………………………………………………………15
十一 切削力和夾緊力（包括油、氣缸直徑）的計(jì)算………………………………………15
1 切屑力的計(jì)算……………………………………………………………………………15
2 計(jì)算夾緊力………………………………………………………………………………16
3 確定夾具體機(jī)構(gòu)（見附圖）……………………………………………………………17
附參考書和資料目錄………………………………………………………………………… 18
一 設(shè)計(jì)任務(wù)書
1 設(shè)計(jì)題目
(1)任務(wù)：極限開關(guān)座機(jī)械加工工藝規(guī)程及119.5底面銑削夾具設(shè)計(jì)。
(2)被加工零件零件圖：
極限開關(guān)座零件圖
2 課程設(shè)計(jì)目的
機(jī)械制造工藝學(xué)是以機(jī)械制造中的工藝問(wèn)題為研究對(duì)象，實(shí)踐性較強(qiáng)的一門學(xué)科，學(xué)生在學(xué)完了工藝課后并完成了生產(chǎn)實(shí)習(xí)的基礎(chǔ)上，還應(yīng)通過(guò)課程設(shè)計(jì)受到一次理論聯(lián)系實(shí)際的綜合訓(xùn)練，培養(yǎng)運(yùn)用所學(xué)知識(shí)分析和解決機(jī)械制造工藝技術(shù)問(wèn)題的能力。通過(guò)課程設(shè)計(jì)，學(xué)生應(yīng)在下述各方面得到鍛煉：
(1) 能熟練運(yùn)用機(jī)械制造工藝學(xué)課程中的基本理論以及在生產(chǎn)實(shí)習(xí)中學(xué)到的實(shí)踐知識(shí)，正確的解決一個(gè)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，保證零件的加工質(zhì)量。
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