畢業(yè)設(shè)計(jì)說(shuō)明書(shū)題目：CA6140車床撥叉加工工裝設(shè)計(jì)作者：學(xué)號(hào):專業(yè)：班級(jí)：指導(dǎo)教師:評(píng)閱者：年月-2-畢業(yè)設(shè)計(jì)說(shuō)明書(shū)中文摘要CA6140車床撥叉加工工裝設(shè)計(jì)摘要車床變速用撥叉是某企業(yè)產(chǎn)品的主要零件之一。于是需要設(shè)計(jì)關(guān)鍵工序的專用夾具及加工用組合機(jī)床，而且?jiàn)A具采用液壓驅(qū)動(dòng)，組合機(jī)床采用液壓滑臺(tái)。工藝設(shè)計(jì)以保證質(zhì)量穩(wěn)定、生產(chǎn)可靠為原則。對(duì)工件進(jìn)行加工時(shí)，為了保證加工要求，首先要使工件相對(duì)于刀具及機(jī)床有正確的位置，并使這個(gè)位置在加工過(guò)程中不因外力的影響而變動(dòng)。為此，在進(jìn)行機(jī)械加工前，首先要將工件裝夾好。用夾具裝夾工件有下列優(yōu)點(diǎn)：能穩(wěn)定地保證工件的加工精度；能提高勞動(dòng)生產(chǎn)率；能擴(kuò)大機(jī)床的使用范圍；能降低成本。關(guān)鍵詞撥叉工藝設(shè)計(jì)機(jī)床加工過(guò)程畢業(yè)設(shè)計(jì)說(shuō)明書(shū)外文摘要Variable-speedlatheprocessingequipmentdesignAbstractVariablespeedlathewithaforkistheproductofoneofthemainparts.Sothekeyprocessesnecessarytodesignaspecialfixtureandthecombinationofprocessingmachinetools,fixturesandtheuseofhydraulicdrives,hydraulicslidecombinationoftheuseofTaiwanmachinetool.Processdesigntoensurestablequality,reliableproductionofprinciple.Processingoftheworkpiece,theprocessingrequirementsinordertoensure,firstofalltotheworkpieceandthemachinetoolrelativetoacorrectposition,andthislocationisnotintheprocessduetotheimpactofexternalchanges.Tothisend,duringthepre-machiningthefirstworkpiecetoagoodsetup.Workpiececlampingfixturewiththefollowingadvantages:canguaranteethestabilityofthemachiningaccuracyofworkpiece；willincreaselaborproductivity；toexpandtheuseofmachinetools；toreducecosts.KeywordsforkProcessdesignMachinetoolProcess-4-目錄引言.-1-1零件的分析.-1-1.1零件的作用.-1-1.2零件的工藝分析.-1-2工藝規(guī)程設(shè)計(jì).-2-2.1確定毛坯的制造形式.-2-2.2基面的選擇.-2-2.2.1粗基準(zhǔn)的選擇.-3-2.2.2精基準(zhǔn)的選擇.-3-2.3制定工藝路線.-3-2.3.1工藝路線方案一.-3-2.3.2工藝路線方案二.-3-2.3.3工藝方案的比較與分析.-4-2.4機(jī)械加工余量、工序尺寸及毛坯尺寸的確定.-5-2.5確定切削量及基本工時(shí).-6-2）鉆頭磨鈍標(biāo)準(zhǔn)及壽命.-7-3）切削速度.-7-3夾具設(shè)計(jì).-12-3.1問(wèn)題的提出.-12-3.2夾具設(shè)計(jì).-13-3.2.1定位基準(zhǔn)選擇.-13-3.2.