人人射在线视频,日本岛国91在我,黄色免费在线观看网站

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

福利导航超碰亚洲无码_精品三级片视频网站_日本AV在线播放_嫩草嫩草草嫩草嫩草草_国产成人精品久久久影院_91成人久久久香蕉_深爱丁香五月婷婷_韩国主播福利网四区_中国日本黄色一级片_一级黄色毛片AAAA级视频 看毛片不收费伊人不卡_av片在线观看免费_免费色情成人网站_精品国产黄色美女一区二区_aV中文在线日本操久久_亚洲激情乱仑黄片免费在线看_日本人妻一区二区三区电影_久久av日韩AV免费在线播放_综合av色色在线激情综合网_成人无码在线观看免费完整版的 aaaaaa免费视频久久久久久_一区二区亚洲视频_美女黄色a片爱插在线视频_波多野结衣亚洲中文字幕_无码手机视频色色色色色黄片_福利视频亚洲福利视频_色色的无码视频资源_日本黄色操逼电影一区二区_午夜一级二级黑丝国产福利_国产精品沙发午夜香蕉视频 操一操干一干视频首页_无码黄色AAAaa_久热视频观看视频观看_一级a爱在线播放网站_日韩黄色电影全集_性生活日逼电影_A片网站外国一级做片_网站免费日本色拍二区_国产激情AV久色伊人_成人免费观看一级片,日韩成人黄色在 日韩另类av在线免费黄色网_中国伦理毛片一区二区三区_亚洲 专区 激情_黄色免费在线看无码_激情五月婷婷色图网_国模无玛一区二区三区_黄色级片视频一级精品_色无需任何精品_黄色A片网站欧美_看免费黄色一级片国 久草久热久在福利小导航_精品图片一区二区_国产一级a网东京精品在线_无码视频亚洲国产一区_亚洲视频人人要日韩操操操_人人操人人摸人人操_日本色图在线黄色电影三级片_一级簧片a片国产叼嘿视频_国产二区视频高清无码_熟女一区二区三区四区一性
玖玖精品影院国产羞羞 成人导航激情午夜视频在线 在线看黄色大片久婷婷 成人久久免费看色视频3区 日本一区一级黄色成人片免费 超碰激情在线香蕉国产
国模吧视频一区 亚洲无码免费观看高清 欧美区日韩区久草新免费AV 一级A片免费视频 中国黄色视频大全在线观看 欧美成人a在线
亚洲第一福利导航 A成人午夜电影亚洲色欧美 极品无码有码影片 欧美黄色三级性视频 国产一级操逼青草在线视频 A片黄色在线播放观看
泛站蜘蛛池模板: 亚洲成人A片在线观看| 国产黄色三级片在线播放| 免费的成人午夜黄色电影 | 亚洲精品色网络黑人乱伦| 日韩亚洲久久人人视频| 国产又爽 又黄 免费观看视频| 二区熟女视频导航| 日韩欧美一级成人片免费| 三级片免费看网站| 国产一级黄色录像片| 伊人中文字幕精品| 91免费看`日韩一区二区| 少妇饥渴无码高潮A片爽| 日本黄色大全99调教视频| 亚洲色图AV天天| 亚洲AV日韩成人在线| 91在线免费视频网站| 黄色成人网站免费在线观看| av无码av91爱爱视屏| 久久邪恶久久无码三级| 韩日av无码久久| 青青草视频免费观看| 成人A片在线观看| 成人A片久久视频国产区| 草av在线av免费高清| 变态另类无码AV| 中国一集大毛片国产ts| 色情片下载什么软件免费看 | 亚洲一区二区三区乱码aⅤ蜜桃女| 欧美,日韩,亚洲,色色| 91精品国产综合久久在线观看| 美女视频黄色片看看| 国产一区二区三区无码视频| 超碰在线无码91| 香港一级片电影中文字幕| 中文字幕红怡国产亚洲人人| 一级黄片播放有码在线播放| 欧美97色色丁香| 毛片电影国产久久无码社区| 欧美日一区二区成人影视| 高清无码不卡的视频|