铸造工艺流程图

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1、WarehousePaintingDongtaiMarineFittingsCo.,LtdFileNo.：DTCP/GY-01-AProductionProcessFilePage2Totalpage:2EditedbyApprovedbyVersionNo.RevisiontimesEffectivedateA02009.1.17DongtaiMarineFittingsCo.,LtdFileNo.：DTCP/GY-02-AWoodenFormerProcessFilePage1Totalpage:1EditedbyApprove

2、dbyVersionNo.RevisiontimesEffectivedateA02009.1.11WoodenformerProcessingDrawingWoodenformerworkersshallbefamiliarwiththeprocessingdrawingfirst.Considerthewoodenformerstructureaccordingtoprocessingdrawing.2Lofting2.1Increaseandreleasethecontractionallowanceinaccordancew

3、iththemeasurementsofthedrawing.2.2Releaseprocessingallowanceaccordingtoprocessingdrawing.2.3Makemodedirectionaccordingtosub-surfacemode.Theslopeofsurfacewhichneedstobeprocessedshallbedoneaccordingtoincrease,whilesurfacewhichneedsnottobeprocessedshallbedonebypositivitya

4、ndnegativity.2.4Thosewhichneedtotakeavarietyofprocessingcorrectionsandrisersubsidiesshallbemarkedinlofting.2.5Drawtheshapeandsizeofthecoreheadandmarkthegapbetweencoreheads.2.6Ifanyerrorofthedrawingisfoundinlofting,reporttothetechicaldepartmenttimelyandtheerrorsshallbec

5、orrectedbythem.3Woodenformerproduction3.1Woodenformerstructureshouldbesolidandfirmandwoodshouldbedry.3.2Tapenailsshallbeappliedtoallthejunctionsofcastingsforconnection.3.3AllthejunctionsofcastingsshallbemadeintoRshape.3.4Installmoldironandthespecimen.4Painting4.1Aftert

6、hewoodenformeriscompleted,itshallbesandpolishedbysandfeather.4.2Painttwocoversofputtypaint.5Afterthecompletionofwoodmould,itshouldbeinspectedforapprovalbeforeputintoproduction.Attachedfiles:1.WoodenFormerTechnologyCard2.DrawingofWoodenFormerStructure8Attachedfile1:Wood

7、enFormerTechnologyCardHelmpintleCastingweightProductname15000pedestal(KG)ChemicalcompositionMaterialsZG260-520CCSiMnPS≤0.23≤0.600.70-1.60≤0.035≤0.0351.Shrinkage2%.2.Machiningallowance20mm.3.Coreheadclearance3mm.TechnologicalDateAuditorDatedesigner9WoodenFormerTechnolog

8、yCardCastingweightProductnameBearingsupport6800(KG)ChemicalcompositionMaterialCSiMnCrMoAlsPSZGD410-620s≤≤≤0.50-1.60.8