基于精益持續(xù)改善理論的生產(chǎn)關(guān)鍵工序質(zhì)量提高的研究——車架縱梁裝配孔精度的改善.pdf

1、天津大學(xué)碩士學(xué)位論文基于精益持續(xù)改善理論的生產(chǎn)關(guān)鍵工序質(zhì)量提高的研究——車架縱梁裝配孔精度的改善姓名：曹偉華申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：企業(yè)管理指導(dǎo)教師：齊二石20080501ABSTRACTWiththeadVanceofleantheo巧inFAWJiefangAutomotiVeCompany，moreandmoreleantheo叮anditsmethodsarebeingappliedinsolVingkeyissuesofjob

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7、nykindsofmeasurementsuchasthedesignimprovementofdatumholeondrillplate，improVementofconnectionwaybetweendrillbushanddrillplate，improVementofmanufacturingtechnologyofdrillplate，applyingthewayofpickupanddeliVe叮byf01lowingac

8、tiVit)rindriIlintensiVelygrinding，improvementofstabilitybe帆een10ngeronandracewayAfterimproVement，h01eplaceprecisiononthelongeron(280l02l／22560)oftractortruckJ5P6木2isupgradedfIrom848％to90％，thelongeronRTYandoperationratear

9、eupgradedfrom909％and897％，to918％and937％respectiVelyMeanwhilewedrawuptheinstructionofstandardoperationofd“l(fā)lingprocedure，setupthequalityassurancesystemofkeyproceduresinlongeronproductionthussolidi黟ingandupgradingtheachieVe