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CY-K52150036CY-K52TG519.1B1672-4582201202-0036-02ImprovementofoilinlettubepositionofCY-K52NCmachinetoolWanTiehua(ManufacturingEngineeringDepartment,AVICHarbinBearingCo.,Ltd.,Harbin150036,ChinaAbstract:AimingatthemisalignmentbetweenoilinletopeningandinlettubeofthevanepumpofCY-K52NCMachineTool,resultinginvanedeection,cylinderwallscratchandvanepumpdamage,thepositionofinlettubehasbeenmodiedsoastomakealignmentofinletopeningandinlettube,smoothrunningofthevanepumpandimprovementofproductionefciency.Keywords:NCmachinetool;positionofoilinletopening;positionofoilinlettube;vanepump;vanedeection2012-01-23.1955-.12CY-K52380mm500mm1000mm12333.13.233220126Vol.33No.2Jun.2012JOURNALOFHARBINBEARING404025100W200W111802212009201020111011121011121011121760176017601760176017601760176017606871651061481465443343.97.62.5414253123456781236CY-K523633