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摘要
機(jī)械制造業(yè)是一個(gè)國家技術(shù)進(jìn)步和社會發(fā)展的支柱產(chǎn)業(yè)之一，無論是傳統(tǒng)產(chǎn)業(yè)，還是新興產(chǎn)業(yè)，都離不開各式各樣的機(jī)械設(shè)備。而各種機(jī)器零部件的加工的核心問題是工藝。這次畢業(yè)設(shè)計(jì)就是選擇了這樣一個(gè)課題——對動(dòng)力輸出軸的數(shù)控加工工藝及斜孔的夾具設(shè)計(jì)進(jìn)行研究。在機(jī)加工工藝編制方面，主要通過仔細(xì)分析產(chǎn)品零件圖和相關(guān)技術(shù)要求，查閱箱體類零件相關(guān)資料，結(jié)合暑假實(shí)習(xí)經(jīng)歷等等，考慮了的工藝結(jié)構(gòu)要求、批量要求、經(jīng)濟(jì)性、可行性等多方面因素，最終安排了19個(gè)工序來完成變速箱體的加工，其中包括各道工序的加工方法，機(jī)床、刀具、夾具、輔具、量具的選擇，基準(zhǔn)面的選取，定位和夾緊方案的擬定，并通過反復(fù)推敲、比較，最終確定了最佳方案，并將其編入工序卡，清晰明了的表達(dá)出了整個(gè)加工過程。另外，在夾具設(shè)計(jì)方面，主要就鉆斜孔這個(gè)工序進(jìn)行了夾具方案的分析，計(jì)算和最終敲定，并用一張裝配圖和兩張零件圖來表達(dá)設(shè)計(jì)出的夾具方案。
關(guān)鍵字： 斜孔，一面雙銷，平行度，輸出軸，工序卡
ABSTRACT
The mechanical manufacturing industry is one of pillar industrieswhich a country technology advancement and the society develops,regardless of is the traditional industry, or the emerging industry,all cannot leave all kinds of mechanical device. But each kind ofmachine spare part processing core question is a craft. Thisgraduation project was has chosen this kind of topic - conducts theresearch to the power output shaft numerical control processing craftand the slanting hole jig design. In the machining craft establishmentaspect, mainly through the careful analysis product detail drawing andthe related specification, consults the box body class componentscorrelation data, the union summer vacation practises experience andso on, had considered craft structure request, batch request,efficiency, feasible and so on various factor, finally arranged 19working procedures to complete the gear box body the processing,including each working procedure processing method, engine bed,cutting tool, jig, auxiliary, measuring instrument choice, reducedplane selection, located and clamps the plan drawing up, and throughrepeatedly deliberated, the comparison, finally had determined thepreferred plan, and enrolled it the working procedure card, Clearbright expression entire processing process. Moreover, in the jigdesign aspect, mainly drilled slanting Kong Zheige the workingprocedure to carry on the jig plan analysis, the computation andfinally makes a final decision, and expressed the jig plan with anassembly drawing and two detail drawings which designed。
Key word：Slanting hole ，At the same time double sells ，Parallelism ，Output shaft，Working procedure card
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