亚洲最大无码一二三区,绯色AV无码专区,AV解说中文免费

E-mail:sale@china-huadong.com

English  |  中文版

hddz

ABOUT US

hddz

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.


 

MORE

10+

Incorporation

9001-2000

ISO

30+

certification

1000+

CLIENTS

RECOMMENDATION

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 

MORE

Network

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

MORE

Certification

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

MORE

Service

Please feel free to contact us!
We will serve you wholeheartedly!

MORE

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

 

Contact us

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

Message
We will serve you wholeheartedly

About us

profile
certificate
culture

network

Products

Forging series

Trailer accessories series

Door closer series

Die casting series

News

Company news

Industry news

 

 

Contact us

Message

Contact us

 

 

hddz

Copyright ? 2020 Ruian Huadong Forging Co., Ltd  All rights reserved.   

浙ICP備19053007號-1  www.300.cn

91久久无码草久久免费_毛交视频在线观看免费提供爱_亚洲va好看va_黄片免下载观看的视频_人人爱人人搞人人爽_99区免费观看特级生活片黄片_蜜桃成人亚洲另类欧美_成人在线观看不卡免费_国产精品无码中岀专区_最近免费视频中文 五月天激情乱伦_在线观看国产白浆性色高清无码_国产一级免费黄片_日韩黄片免费播放_久草视频在线免费看_亚州精品ー品成人论坛导航_欧洲美女一级精品二区_亚洲AV成人在线观看_av高清无码色伊人强奸_超碰青草在线午夜91 91欧美在线亚洲性另类_亚洲无码动漫网站_成人黄片高清无码免费看_成人午夜黄色电影视频亚洲_日本性爱不卡日本不卡一区_九草视频在线播放_麻豆精品久久久色欲Aⅴ_干在线视频免费观看_三级黄色免费A级黄色_久草视免费看女同舌吻网 亚洲色无码一区二区三区_日本免费高清无码_成人高清无码精品在线观看_日韩视频无码一区二区_香港美女淫乱久久久AⅤ一级片_国产无码不卡在线观看_5a无码可以下载,黄色毛片_国产激情过程亭亭国产_高清黄片视频亚洲涩涩爱_我相看中国毛片日韩中出 中文字幕日产av_黄色成人18禁免费A片_69AV在线视频播放_国片无码小电影婷婷免费_午夜福利网午夜福利网_午夜亚洲福利在线老司机_国产日韩欧美成人婷婷网_久草午夜在线视频_日本轮乱五月天人人干在线_国内无码视频免费视频A 中国一级片A级片三级片久久久_A级免费电影AⅤ性直播_真人美女操逼毛片_亚洲欧洲自偷自拍图片_人人爱人人舔在线观看_欧美午夜福利导航_色最新永久免费网址_2025AV电影免费在线观看_特一级黄色电影免费毛片A2丈_九一视频亚洲天堂
国产日韩欧美生活片 精产国品污污污污免费网站 国产综合啪啪久久在AV 女人一级片黄色 A片国产网站经典福利AV 欧美日韩国产在线一区二区三区四区
AAA成人网人人操操视 激情无码中文字幕 久久草在线观看视频 老鸭窝这里只有精品 欧美少妇/区亚3州一区二区 女人果冻传媒毛片三极片
AV鲁丝一区鲁丝二区鲁丝 久久久91人妻一区二区 黄色在线免费观看视频2 97久久碰人妻一区二区三区 免费一级a做视频 无码日韩久久久精品国产传媒
泛站蜘蛛池模板: 国产精品密臀Aⅴ在线| 性交无遮挡实战电影| 最新AV网站在线看| 免费视频一区=区| 久久人人操人人爱| 手机在线成人亚洲无码艹中出| 亚洲无码色情在线观看| 青青在线手机视频| 欧美一级A片在免费看| 无码网站播放日韩欧美+自拍| 日韩AV美女99久久香蕉| 国产福利片二区在线观看| 亚洲高清色情视频网站| A片在线观看免费播放| 国产AV影视国语在线va| 日本黄色性爱视频免费观看| 欧高清无码V亚洲色图欧美| 亚洲国产销魂美女| 欧美成人三级A片| 国产aⅴ无码一区二区三区| 四本三级片在线观看| av免费在线色| 免费看黄色美女| 成人三级片视频网址| 日本免费在线一区| 免费国产三级片激情久| 精品国产色情亚洲精品乱| 99韩国毛片a级片hp| 日日嗨AV一区自拍三级片| 日韩A片免费亚洲性爱AV| 高清无码免费看久草福利| www黄色直接看| 九九热久久99国产盗摄蜜臀| 婷婷伊人五月天日韩淫电影| 国产丝袜av不卡A片| 欧美一级内射免费短视| 99re9热在线精品视频播放| 久久久久亚洲AV无码网影音先锋| 99精品视频在线观看视频| 欧美一区二区三区视频网| 久久国产直播日本久草|