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ABOUT US

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Ruian Huadong Forging Co., Ltd

Ruian Huadong Forging Co., Ltd. is a comprehensive enterprise integrating forging, alloy die casting, mechanical machining, heat treatment and surface plating. At present, the company has five forging lines (300t-1000t), eight sets of alloy die-casting equipment (280t-1350t), thirty-eight sets of machining equipment, one line for normalizing and tempering mesh belt furnace, two full-automatic lines for electroplating (nickel and stainless steel).
The main products of the company are: auto parts series, forging parts series, alloy die casting parts series, auto trailer parts series, door closer series. There are: trailer ball, connecting rod, spline shaft, fork, swing arm, etc. Our products are exported to Western Europe, America and Southeast Asia.

 

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10+

Incorporation

9001-2000

ISO

30+

certification

1000+

CLIENTS

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OUR STRENGTHS

Based on the technical tenet of "high starting point, high technology, high quality" and the service tenet of "reputation first, quality first", the company has
created a set of high-quality products

Culture

Based on the technical tenet of "high starting point, high technology, high quality" and the service tenet of 

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Network

The company's domestic sales network throughout the country, in line with the purpose of "facing customers

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Certification

Our products such as trailer ball and door closer have passed IS9001-2000 certification...

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Service

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We will serve you wholeheartedly!

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NEWS

2019-12-28

1、MadeinChina2025InthereportoninvestmentanalysisandProspectForecastofChina'ssuperalloyindustryin2018-2022,CICconsultantmentionedthatinMay2015,theStateCouncilissuedthedevelopmentstrategyofmadeinChina2025,whichwillguidethedevelopmentofChina'sindustryinthenextdecadeasaprogrammaticdocument.ThedocumentproposestofocusonfivemajorprojectsandtenmajorareasaroundthedevelopmentofChina'smanufacturingindustry.Threeofthefiveprojectsinvolvesuperalloy.Amongthe"tenfields",aerospaceequipment,powerequipmentandnewmaterialswillalsoinvolvethecontentofsuperalloy,whichisenoughtoseetheimportantpositionofSuperalloyproductsinthefuturenationalscienceandtechnologydevelopmentandnationaleconomy.
2019-12-27

Intheprocessofhotrolling,theheatandheatconductionofhightemperaturebilletmakethetemperatureofrollrise.Intheopeningareaofhotrolledsectionsteel,becauseofthelargevolumeandhightemperatureoftheforgedbillet,thesurfacetemperatureoftherollincreases.Whenthetemperatureoftherollishigh,thesurfacehardnesswillaffecttherollwearresistance.Whenthesurfaceoftherollisheated,thevolumeexpansionwilloccur,butthetemperaturedifferencebetweentheinsideandoutsideoftherollwillbeformedduetotheloweroveralltemperatureoftheroll,resultingingreaterthermalstress.Aftertherollingmaterialleavestheroll,theheatconductionstops,andtherollsurfacetemperaturedropsaccordingly.Thisstatechangesperiodically,whichiseasytogeneratehotcracks.Therefore,itisnecessarytocooltherollscientificallytokeeptherollsurfacetemperatureinareasonablerange.Yongxinshengsuggeststhefollowingmeasurestocontrolrollcooling:theheattransferefficiencyofcoolingwatercanbecontrolledbymixing3%oilintocoolingwater.Thewaterpressureofcoolingwatershouldbeaslowaspossibleunderthepremiseofwaterflowdensity.Thesteadyflowofcoolingwatertotherollsurfacecanincreasethecontacttimebetweenthetwo,thusincreasingtheheattakenawaybycoolingwaterfromtheroll.Ifthecoolingwatersplashesontheroller,thecontacttimeofthetwoisshortenedandthecoolingislarge.Highwaterflowdensityinspraycoolingareacanobtainhighheatdissipationrate.Whenthespraycoolingareaisarc-shaped,cooltheparallelline.Whentheanglebetweenthespraylineofthenozzleandtheaxisoftherolleris30°,goodcoolingcanbeproduced.Thediameterofthesprayholeofthenozzleshallnotbelessthan3mm.Itisbettertouseflatnozzle.Inordertosplitthecoolingwater,thesurfacefinishofthesprayholeshallbemaintained.Itisbettertokeepthedistancebetweenrollersurfaceandnozzlewithin50-100mm.Thetemperatureofcoolingwatershouldbeaslowaspossible,anditsdegreeshouldbeashighaspossible.Impuritiesinwateraffectthequalityofproductsandrolls.Inordertoremovetheburronthesurfaceoftherollpasscausedbythewearofthescale,ontheonehand,thepressureofthedescalingmachinecanbeusedtoremovethescaleonthesurfaceoftheblanktoalargeextent;ontheotherhand,thehigh-pressureairpipecanbeaddedinfrontoftherollingmilltoblowthescaleatthewaistoftheforgingblank.
2019-12-27

Accordingtothemanufacturingprocess,itcanbedividedintocastingpulley,weldingpulley,doubleplatepressingpulley,forgingpulleyandrollingpulleyforgingpulley.Itisaprocessingmethodthatusesforgingmachinerytoexertpressureonthemetalbilletofpulleytoproduceplasticdeformationtoobtainforgingswithperformance,shapeandsize.Itisoneofthetwomajorcomponentsofforging(forgingandstamping).Themicrostructureisoptimizedthroughthedefectsofascastloosenessinthesmeltingprocessofforgingenergymetal.Atthesametime,themechanicalpropertiesofforgingsaregenerallythesameasthoseofcastingsmadeofthesamematerialduetothepreservationofcompletemetalflowlines.Intherelatedmachinery,theimportantonewithhighloadandsevereworkingconditionsisusuallyforgedexceptforthesimpleshapeofrolledplates,sectionsorweldments.Comparedwiththecastpulley,theforgedpulleyhasitsstructureandmechanicalpropertiesafterforging.Thedeformedpulleyafterhotworkingmakestherawmaterialcrystallize,andchangestheoriginalcrystalandcolumnarcrystalintothecrystalstructurewithfinegrainanduniformsize,whichmakesthestructureinthepulleytighter.Thephysicalpropertiesofthepulley,theappearancesurfaceandcoarsenessoftheprocessedpulleyforgingTheroughnessismorebeautifulandsmooththanthecastingpulley,becausetheprocesscostaccountingismoreexpensivethanthecastingpulley.However,fortheimportanthigh-quality,largecranesorothermodels,pulleyforgingsaremoreoftenselected.
2019-12-27

Whenitcomestoforgingindustry,thekeypointofthepastistoforgeiron.Peoplewillremembertheconceptoffreeforgingasthemainconceptofforging.Inthe1980sand1990s,peoplehaveafurtherunderstandingofforging,anddieforgingistherealconnotationofforging.Forthisreason,theseyearsaroundthedieforgingpeoplestartedadiscussionandinvestment.Overthepastdecade,whatnewdevelopmentshavetakenplaceinforgingindustry,asmallandimportantindustry?Forginghammer-theforginghammerhasdevelopedfromthepastgravitydrophammer,steamairhammer,liquidairhammertothepresentelectro-hydraulichammer.Themainprogressofthisequipmentisenergycontrol,strikestability,guidanceanduse.Atpresent,thereisalsoanautomaticforginghammerforgingproductionline.Screwpress-screwpresshasdevelopedfromthepastmanualscrewhammer,doublediscfrictionpresstotoday'sclutchscrewpressanddirectdrivescrewpress.Thisnewtypeofpressischaracterizedbyhighenergyandcontrollableforce.Inthepast,themainproblemistheimpactonthepowergrid.Atpresent,theproblemisbasicallysolvedbyusingfrequencyconversion.Mechanicalpress-thegreatdevelopmentofmechanicalpressshouldbeinthe1970sand1980s.Itisalsotheproductofmassproductionofforgings.TheautomaticproductionlineofpressistheideaofRussiansandtheexperimentofGermans.Theworld'sfull-automaticforgingproductionlineisinstalledintheforgingplantofDongfengMotorCompanyinChina.Inrecentyears,theproblemsofpressforginghavenotfoundacompletesolution,butpeoplehavefoundthattheextensionofpressforgingframeiscontrollable.Generallyspeaking,thepressshouldextend1mmevery10MNwhenworking.Withoutthiselongation,itisimpossibleforthepresstoachieveforging.

Ruian Huadong Forging Co., Ltd

Production address: NO.119, Chuangxin East Road, Xialin Industrial Zone, Tangxia Town, Ruian City

 

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TEL:+86-577-65365147    FAX:+86-577-65366147 
E-mail:sale@china-huadong.com

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