連桿工藝工裝及銑面夾具設(shè)計(jì)說明書[帶圖紙].doc

編號無錫太湖學(xué)院畢業(yè)設(shè)計(jì)（論文）題目：連桿工藝工裝設(shè)計(jì)信機(jī)系機(jī)械工程及自動(dòng)化專業(yè)學(xué)號：學(xué)生姓名：指導(dǎo)教師：（職稱：高工）（職稱：）2013年5月25日無錫太湖學(xué)院本科畢業(yè)設(shè)計(jì)（論文）誠信承諾書本人鄭重聲明：所呈交的畢業(yè)設(shè)計(jì)（論文）連桿工藝工裝設(shè)計(jì)是本人在導(dǎo)師的指導(dǎo)下獨(dú)立進(jìn)行研究所取得的成果，其內(nèi)容除了在畢業(yè)設(shè)計(jì)（論文）中特別加以標(biāo)注引用，表示致謝的內(nèi)容外，本畢業(yè)設(shè)計(jì)（論文）不包含任何其他個(gè)人、集體已發(fā)表或撰寫的成果作品。班級：機(jī)械97學(xué)號：0923826作者姓名：2013年5月25日摘要連桿是柴油機(jī)的主要傳動(dòng)件之一，本文主要論述了連桿的加工工藝及其夾具設(shè)計(jì)。連桿的尺寸精度、形狀精度以及位置精度的要求都很高，而連桿的剛性比較差，容易產(chǎn)生變形，因此在安排工藝過程時(shí)，就需要把各主要表面的粗精加工工序分開。逐步減少加工余量、切削力及內(nèi)應(yīng)力的作用，并修正加工后的變形，就能最后達(dá)到零件的技術(shù)要求。機(jī)械加工工藝是企業(yè)上品種、上質(zhì)量、上水平，加速產(chǎn)品更新，提高經(jīng)濟(jì)效益的技術(shù)保障。然而夾具又是制造系統(tǒng)的重要部分，工藝對夾具的要求也會(huì)提高，專用夾具、成組夾具、組合夾具和隨行夾具都朝著柔性化、自動(dòng)化、標(biāo)準(zhǔn)化、通用化和高效化方向發(fā)展以滿足加工要求。所以對機(jī)械的加工工藝及夾具設(shè)計(jì)具有十分重要的意義。關(guān)鍵詞:連桿；加工工藝；夾具設(shè)計(jì)AbstractTheconnectingrodisoneofthemaindrivingmediumofdieselengine,thistextexpoundsmainlythemachiningtechnologyandthedesignofclampingdeviceoftheconnectingrod.Theprecisionofsize,theprecisionofprofileandtheprecisionofposition,oftheconnectingrodisdemandedhighly,andtherigidityoftheconnectingrodisnotenough,easytodeform,soarrangingthecraftcourse,needtoseparatetheeachmainandsuperficialthickfinishmachiningprocess.Reducethefunctionofprocessingthesurplus,cuttingforceandinternalstressprogressively,revisethedeformationafterprocessing,canreachthespecificationrequirementforthepartfinallyKeywords:connectingrod；deformination；processingtechnology；designofclampingdevice目錄摘要.............................................................................................................................................IIIAbstract.........................................................................................................................................IV緒論.................................................................................................................................................11零件的造型.................................................................................................................................21.1零件造型軟件介紹............................................................................................................21.2零件造型過程....................................................................................................................22零件的分析.................................................................................................................................72.1零件的作用.......................................................................................................................72.2零件的工藝分析...............................................................................................................72.2.1零件圖樣分析.........................................................................................................72.2.2工藝分析.................................................................................................................73工藝規(guī)程設(shè)計(jì).............................................................................................................................93.1確定毛坯的制造形式.......................................................................................................93.2定位基準(zhǔn)的選擇...............................................................................................................93.2.1粗基準(zhǔn)的選擇.........................................................................................................93.2.2精基準(zhǔn)的選擇.......................................................................................................103.3擬定工藝路線.................................................................................................................103.3.1工藝路線方案一...................................................................................................113.3.2工藝路線方案二...................................................................................................113.4工藝方案的比較與分析.................................................................................................123.5機(jī)械加工余量、工序尺寸及毛坯尺寸的確定.............................................................143.5.1大小頭兩端表面...................................................................................................143.5.299±0.01mm的兩側(cè)面...........................................................................................143.5.3內(nèi)孔Φ25mm.........................................................................................................143.5.4內(nèi)孔Φ50mm.........................................................................................................143.5.5油孔Φ5mm...........................................................................................................143.5.6油孔Φ1.5mm........................................................................................................143.5.7油孔Φ4mm...........................................................................................................153.5.8油孔Φ8mm...........................................................................................................153.5.9螺栓孔Φ12.22mm................................................................................................153.5.10螺栓孔Φ13mm...................................................................................................153.5.11锪孔Φ20mm.......................................................................................................153.5.12鏜孔Φ58±0.05mm..............................................................................................153.5.13鏜孔Φ26±0.05mm..............................................................................................163.5.14鏜孔Φ65.5mm....................................................................................................163.5.15鏜孔Φ29.5mm....................................................................................................16