| Message: | 1.Shanghai Matech Machinery Manufacture Corporation Ltd.is a investment castingx2fc7c4an,casting partsin one large multi-functional integrated modern enterprise,and devote the high-quality foundry and first-class service for the masses of customers.
2.Shanghai Matech Machinery Manufacture Corporation Ltd.is committed to the continuous improvement of thecastservice, become a society, customers, shareholders and employees long-term trust of the company. Our Company adhering to pirit of for the sake of customers, and win-win with customers , and through Matech Machinery Manufacture staff continuous innovation and development to provide first-class Cast expense standard,foundry factory direct,Promising future investment casting,Cast recommend a good brand for enterprises , is what we have been working for. Details:Inthecastprocessofcastofmachinebed,theprincipleofhightemperaturetappingandlowtemperaturepouringshouldbefollowedduringpouring.Becausetheextractiontemperatureofthemoltenmetalisfavorableforthecompletemeltingoftheinclusions,theslagfloating,thecleaninganddegassing,theslaginclusionandtheporositydefectsofthemachinetoolcastarereduced;thelowerpouringtemperatureisbeneficialtoreducethemetalliquid.Thegassolubility,liquidshrinkageandhightemperaturemetalliquidbakeonthesurfaceofthecavitytoavoiddefectssuchaspores,sandandshrinkage.Therefore,alowerpouringtemperatureshouldbeusedasmuchaspossiblewhileensuringthatthemoldcavityisfilled.Theprocessofinjectingmoltenmetalfromaladleintoamoldiscalledcast.Improperpouringoperationscancausedefectsinmachinecastssuchasinsufficientpouring,coldinsulation,pores,shrinkageholes,andslaginclusions,andcausepersonalinjury.Therearemanyprocessesformetalliquidforming,anditisdifficulttopreciselycontrol,sothatthequalityofthecastisnotstableenough.Comparedwithforgingsofthesamematerial,duetolooseliquidstructureandcoarsecrystalgrains,defectssuchasshrinkagecavities,shrinkage,andporesareeasilygeneratedinside.Itsmechanicalpropertiesarelow.Inaddition,laborinten |
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