| Message: | 1.Shanghai Matech Machinery Manufacture Corporation Ltd. is a professional supplier which provides a variety of die casting, to provide customers withCapabledie casting ,aluminum castingx2fc7c4anand die casting and so on. Since the company had been established in Rm.503, 1st Building , Wisdom Bay, Rd 6 Yunchuan,Baoshan District,City area,Shanghai,China, adhere to people-oriented ,and the quality of survival, to the credibility of development,our company have made an outstanding achievement.
2.Matech Machinery ManufactureSincethemaincomponentofthealloyiszincandasmallamountofaluminum,theyarebothamphotericmetals,whicharerelativelystable,easilyoxidizedbyoxygenintheair,andarepronetocorrosion,sotheyneedtobecoatedorplated.Becausealloydiecastingisrelativelyeasytodie-cast,andtheprocessingcostisrelativelylow,thecostofmaterialsisnothigh,soeveryoneisverywillingtodoalloydiecasting,andtodaywewillintroducetheprecautionsforalloydiecasting.Qualitycontrolofthesurfaceofalloydiecastings.Sincethezincalloyworkpieceistobegeometricallydesigned,whendesigningitsgeometry,thealloydiecastingshouldbecarefulnottohaveablindholedeeporconcavestructure,whichwillaffecttheappearanceofthediecasting;whendesigningthepart,Itispreferabletoleaveadrainholefortheconvenienceofgasorliquidflowwithoutaffectingtheappearanceanduserequirements.Inthisway,notonlycanplatingbeperformedwell,butalsothecontaminationoftheplatingsolutioncanbereduced.Alloydiecastingprocessandmolddesign.Sincethesurfaceofthezincalloydiecastingpartisarelativelydenselayer,theinsideisacomparativelyconveyedandporousstructure.Therefore,whenperformingthemolddesignandthediecastingprocess,thesurfaceismadeverysmooth,andtherearenoporesorcracks.Ordefectssuchasburrs.Inthealloydiecasting,therightmaterialshouldbeselected,andapartofthematerialshouldbeused.Theproportionshouldbecontrolledbelow20%.Inaddition,someothercomponentswillbedopedinthematerial,whichwillaffectthebondingstrengthofthecoating.Therefore,itisbesttousehydrofluoricacidforactivation,inordertoa |
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