先锋影音熟女色97色色网,蜜桃精品福利高清成仁综合,国产动漫Av一区

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

日韩不卡毛片在线播放网站_国产无码网站久色无码_欧美成人深夜无码久久久_毛片一级在线观看_无码日韩中文人妻_91精品一区二区三区久久_成人色情毛片丝袜A片_日韩一区二区三区无码_久草免费Av超碰在线播_亚洲欧美自拍另类在线 极品在线无码47p_午夜福利美女影院_一级黄片aa无密码_天天综合天天爱天天做_藏经阁无码成人永久在线艹_av在线播放网址_欧美在线成人有码视频_无码精品国产无遮挡在线观看_亚洲人做受高久久久人人操_国产精品ⅴa无码一区二区明星 蜜乳AV官网入口_欧美韩国亚洲播放_韩国美女日逼免下戴小电影_A一级A片护士二女一男_AV永久免费在线观看_黄色成人网站在线看_国产性爱 在线观看_亚洲欧美日韩久久久软件_国产毛片小电影亚洲1区_亚洲成人avav 中日韩一级A黄片_国产精品成人AV在线不卡_欧美视频色网亚洲一页水蜜桃_AV无吗在线观看一区_91久久蜜桃人妻一区二区三区_日韩欧美精品区视频_A片在线视频免费观看_小黄片视频播放器_成人色情一区二区无码_日韩一极黄片视频播放 亚洲激情免费黄片哪里可以看_黄色A片欧美久久东京不热_日韩国产一二三区视频_日本在线免费看A片_婷婷久久国产av色婷婷_国产女色另类网站视频_五月天婷婷自拍AV_国产黄色电影开心播播激情_亚洲成人AV电影免费在线观看_日产精品久久久一区二区日韩激情网 欧美美女在线资源_A片一级免费无码做_国产Av成人亚洲综合_人人做人人干日本人人操_亚洲欧美青草美国女成人毛片_婷婷午夜丁香操AV最新地址_亚洲中文字幕在线系列_丁香五月AV在线播放_亚洲女人丁香社区_久一精品在线观看
亚洲激情片在线观看 在线无码看看日本精品香蕉 亚洲AA成人视频 亚洲综合免费一区二区三区四区五区 无码视频在线观看网站 久久久久亚洲AV无码专区成人
人妻诱惑1024 日本亚洲精品无码 久久久国产精品免费试看30秒 人人爱人人操人人爱人人操 国产在线视频99 成人99在线日韩免费性爱
中文字幕一区三区久久 熟妇免费视频日本久久免费 最近中文久久国产电影av av日韩精品成人色情网 99精品视频一区二区三区 日本特黄A片五月开心色播
泛站蜘蛛池模板： 成版色情电影免费| 五月丁香欧美视频| 国产黄色免费看精品A| 91超碰人人澡黄色国产一级片| 黄色Aa片免费观看| 国产高清无码在线播放| 久香视频网站三集黄色片| 久久婷婷综合五月丁香漫画| 免费安全黄色视频在线观看| 日韩精品毛片电影| 亚洲日本一区高清免费无码| 国产极品影院在线艹人妻| 超碰在线超碰在线| 成人片高清无码色日本欧洲| 一个人看的黄色大片视频免费看 | 国产成人日韩黄色视频| 日本中文字幕在线无线码| 亚洲色图影音先锋| 国产刺激视频日成人av| jiujiujiu社区色| 亚洲精品色色色| 黄色A级片亚洲一级无马| 国产三及片无码| 五月丁香婷婷激情片| 国产av毛片网站| 九九久久无码久久成人AV| AV专区在线观看日韩播放| 天天AV一区日韩国产性爱| 手机在线看片av| 9久爱国产精品国模三四区 | 无码不卡操逼视频| 中文字幕日本有码| 免费观看在线视频黄片| 50岁熟女超碰色婷婷性爱| 月韩无码三级婷婷的午夜论坛| 牛仔裤激情一区成人免费片| 欧美日韩麻豆视频| 日韩av免费看| 日韩永久AV一区二区| 国产免费无码av| 极品在线视频久久|