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IV一遼寧工程技術(shù)大學(xué)課 程 設(shè) 計(jì)題 目:厚鋼板彈簧吊耳10孔的加工班級(jí):機(jī)電06-3姓名:徐建新指導(dǎo)教師:岳立新完成日期:2009年7月1日一、設(shè)計(jì)題目厚鋼板彈簧吊耳(CA10B解放牌汽車)的機(jī)械加工工藝規(guī)程及工藝裝備二、設(shè)計(jì)要求機(jī)械制造技術(shù)基礎(chǔ)課程設(shè)計(jì)題目一律定為:XX零件的機(jī)械加工工藝規(guī)程及工藝裝備設(shè)計(jì)。課程設(shè)計(jì)題目由指導(dǎo)教師指定,經(jīng)教研室主任審查簽字后發(fā)給學(xué)生。生產(chǎn)綱領(lǐng)為中批或大批生產(chǎn)。設(shè)計(jì)的要求包括如下幾個(gè)部分:1繪制零件圖。 1張2.毛坯圖 1張3編制零件的機(jī)械加工工藝過程卡片 1張4與所設(shè)計(jì)夾具對(duì)應(yīng)那道工序的工序卡片 1張5繪制夾具裝配圖(A0或A1) 1張6繪制夾具體零件圖 1張7編寫課程設(shè)計(jì)說明書(約50008000字)。 1份說明書主要包括以下內(nèi)容(章節(jié))(1)目錄(2)摘要(中外文對(duì)照的,各占一頁)(3)零件工藝性分析(4)機(jī)械加工工藝規(guī)程設(shè)計(jì)(5)指定工序的專用機(jī)床夾具設(shè)計(jì)(6)方案綜合評(píng)價(jià)與結(jié)論(7)體會(huì)與展望(8)參考文獻(xiàn)列出參考文獻(xiàn)(包括書、期刊、報(bào)告等,15條以上)三、上交材料1工件零件圖 1張2工件毛坯圖 1張3機(jī)械加工工藝卡片 1張4零件的機(jī)械加工工藝卡片(僅編制所設(shè)計(jì)夾具對(duì)應(yīng)的那道工序的機(jī)械加工工藝卡片) 1張5夾具裝配圖 1張6課程設(shè)計(jì)說明書 1份四、進(jìn)度安排1.第l2天查資料,熟悉題目階段。2.第37天,完成零件的工藝性分析,確定毛坯的類型、制造方法和機(jī)械加工工藝規(guī)程的設(shè)計(jì)并編制出零件的機(jī)械加工工藝卡片。3第810天,完成夾具總體方案設(shè)計(jì)(畫出草圖,與指導(dǎo)教師溝通,在其同意的前提下,進(jìn)行課程設(shè)計(jì)的下一步)。4第1113天,完成夾具總裝圖的繪制。5第1415天,零件圖的繪制。6第1618天,整理并完成設(shè)計(jì)說明書的編寫。7第19天,完成圖紙和說明書的輸出打印。8第2021天,答辯。五、指導(dǎo)教師評(píng)語成 績(jī): 指導(dǎo)教師日期摘要本次設(shè)計(jì)是對(duì)后鋼板彈簧吊耳零件的加工工藝規(guī)程及一些工序的專用夾具設(shè)計(jì)。后鋼板彈簧吊零件的主要加工表面是平面及孔。由加工工藝原則可知,保證平面的加工精度要比保證孔的加工精度容易。所以本設(shè)計(jì)遵循先面后孔的原則。并將孔與平面的加工明確劃分成粗加工和精加工階段以保證加工精度?;鶞?zhǔn)選擇以后鋼板彈簧吊耳大外圓端面作為粗基準(zhǔn),以后鋼板彈簧吊耳大外圓端面與兩個(gè)工藝孔作為精基準(zhǔn)。主要加工工序安排是先以后鋼板彈簧吊耳大外圓端面互為基準(zhǔn)加工出端面,再以端面定位加工出工藝孔。在后續(xù)工序中除個(gè)別工序外均用端面和工藝孔定位加工其他孔與平面。整個(gè)加工過程均選用組合機(jī)床。關(guān)鍵詞 后鋼板彈簧吊耳,加工工藝,專用夾具ABSTRACTThe design of the plate after spring lug parts of the processing order of the processes and some special fixture design. Spring plate after hanging parts of the main plane of the surface and pore. By the principle known Processing , the plane guarantee precision machining holes than guarantee the machining precision easy. So the design follows the surface after the first hole principle. Plane with holes and the processing clearly divided into roughing and finishing stages of processing to ensure accuracy. After selecting base plate spring lug large cylindrical face as a rough benchmark, After the leaf spring lug large cylindrical end with two holes as a precision technology benchmarks. main processes arrangements after the first spring plate lug large cylindrical face each other benchmarks machined face, End position to further processing out of holes. In addition to the follow-up processes are individual processes with end-positioning technology and other processing Kong and plane. The entire process of processing machine combinations were selected. Key words The empress steel plate spring coil mourns the ear,Process the craft,Appropriation tongs
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