Executive-organization-method-EN-焦化系統(tǒng)通廊鋼結(jié)構(gòu)施工方案可編輯

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caｔegory：COKIＮGＰLAＮＴSEＣTIＯＮSｕbcategorｙ:J1，ｊ2,ｊ３,j4，J5ＢeltcｏｎveyergａlｌｅryPARTI:ＩＮＴROＤUCTIＯNI.

OＶＥRVIEWABOUＴBELＴＣOＮＶＥYERＧALLERYSTRUCTURAＬＳYSTEM：??J1,J2,J３，J4,Ｊ５beltconveyergalｌｅrｙstrｕcｔuｒalｓysteｍistheｉtemｏfTｈａiNｇuyenSｔｅｅlandIrｏnCorｐoratiｏn2ndｓtaｇeexｐａnsｉoｎｐｒojeｃt。ＢeltconveyergalleｒysｔeelｓtｒuctureisdｅsｉgnｅdｂythｅＰrinｃipａlＣoｎtracｔｏrＣhinａMetａllurgicaｌGrｏupＣｏｒｐｏraｔiｏｎ(MCC)ａndａsｓｉgntｏｔｈｉssuｂcategｏryｆorSuｂcontractorisＴhaｎｇＬongFerrousＭetalluｒgｙJoｉntSｔockCompａny.Ｔhｉssubcaｔegoryinｃｌudｅｓtheｆｏllowｉngsecｔioｎｓ:１。Ｊ1belｔconvｅｙergａｌlｅｒyｓteeｌsｔructuｒelinkｉngtheＪ2trａｎsportstａt(yī)ｉonwitｈJ3transportｓtaｔiｏn。Ｊ2bｅltｃｏnvｅyergａlleryｓtｅe(cuò)lsｔructｕrelｉnｋinｇｔheＪ３ｔraｎｓpｏrtstatiｏnｗitｈcokecuttingroｏm.J3belｔconｖeyergallerystｅe(cuò)ｌsｔrucｔuｒeｌinkiｎgthｅｃokecｕttingroomwｉｔhJ４transpｏrtstaｔioｎ.Ｊ4beｌｔconveyeｒgａllerｙｓｔeelstｒucturelinkｉnｇｔheＪ4tｒansportstatｉonwitｈtheｃｏｋescrｅｅninghouse。Ｊ5beltconｖeｙergalｌｅrysteeｌstructurelｉｎkｉngｔhecoｋesｃreeningｈｏｕsｅwithＧ２tｒａｎｓpｏrtstatｉｏｎ.Suｂcateｇoryoｆｂeltｃonveyｅｒｇaｌｌｅrystｅe(cuò)lstructureｓｙｓtemisdeｓｉgnｅdwithsteｅlcolｕmnｓystemwhｉcharｅmａnuｆａctureｄfromhｏtrｏlledsteelgeｏmetriｃｆoｎｔsizeH。Stｒuctuｒｅofraｃkingpｌａｔformｉｓusｅｄｔｙpｅｓｏfhｏtrｏlledａnglesｔｅe(cuò)l,sｔeelｂeamｓystemsupportingｒoofisｕsingcoｍbinedsteｅlgeomｅtｒicfontsｉzeI。Suｂ-beamsｓysteｍｓuppoｒtiｎgthefｌoorｕｓinｇhoｔrｏｌｌeｄsteｅlshapｅＩ,U．。.．PurlｉｎroｏfsｙsteｍuｓinｇsteeｌshaｐｅＣ。．.Fｌｏｏｒinｇshｅe(cuò)tanｄｓtaiｒｓontheconｖeyorusiｎｇ6mmａｎｔi－ｓｌiｐreligｉoｕｓ.?Thiｓsub-caｔegoｒyｉｓｄesigｎedtouｓeｐlaｎoｆｓtｒucturaloｆhotrollｅdsteｅlｃolumｎliｎｋinｇstaｂiliｔybraciｎgaｎdｒaｃkingplａt(yī)formｓystemrunｎiｎgalonｇthecｏnvｅyorgalleryｓoｔｈｅｃｏｌｕmnｓtructureｓanｄtrusｓareａpplｉedsimｉｌarpｒoｄuctionprｏｃeｓｓes。Ｓointhiscｏｎstrucｔioｎｍetｈｏd,ｗejustdiｓcusｓthemｅaｓuresｔoproducｅstｅe(cuò)lｔruss'sframestｒuctｕｒes。

II．SIZEＡNＤSTRUＣＴＵＲEＯFTHEITEM。1。Ｄeｓｃribetheｓizｅoｆthebeｌtcoｎveyｅｒgalleｒyｓtructuralsｙstｅm（Ｊ1-J５）:?J1beｌtconｖｅｙeｒｇａlｌerysｔeelｓｔructｕrehaｓｌenｇｔhof1０.56ｍ.Ｔrusｓsystｅmisarrangeｄｓｔartiｎgｆromｃos—0。181ｍ。Aｎｄalｏngthedｅsiｇｎsｌoｐｅto+2，89４ｍ。Thewidtｈｏfthesｔeeltrussｓystemiｓ3。4m。Theheiｇｈtoftheｔrusssyｓtｅmｉｓ2.5ｍ.

J2ｂeｌtｃonveyeｒgaｌlｅrｙｓtｅe(cuò)lstruｃｔurehaslｅｎgthof54.5０m。Tｒusｓsyｓｔemｉsarrangeｄstartingfｒomcoｓ＋０600manｄａlｏｎｇthedｅｓigｎｓlopeto+9,６７6m.Tｈｅwidｔｈｏfthesteｅltｒussｓｙsｔemis3。４m。Ｔhehｅiｇhtoｆｔhetｒusssystｅmiｓ２。5m.

J3ｂｅltcｏnvｅｙerｇａlleｒyｓｔeelsｔｒucｔuｒｅhaslengthｏf1２4。００ｍ.Trusssysteｍisarrａnｇedstartingｆｒomｃoｓ+1219maｎdaloｎgthｅdesignslopeｔｏ＋23,779m。Ｔheｗidthoｆｔｈesteeｌtｒusssystｅmis3．4m。Thehｅiｇｈｔoｆthｅtrusssyｓtemis2.5ｍ.?J4beｌtｃｏnveｙeｒｇａlｌeryｓteｅlstruｃtureｈaｓleｎgtｈof20。35m.Trusssystemisａｒｒaｎｇedsｔartｉnｇｆromｃoｓ+2１，156mandａlongtｈedesｉgnsｌopeｔo+２6,715m.Tｈewiｄthofthesteeltrusssystemiｓ3。4m．Ｔhｅheigｈtｏftｈｅtｒusssｙsｔｅｍiｓ2.5ｍ.?J5bｅltcoｎvｅyergalｌerysteelstructｕrehaｓlｅngｔhof1２.666m。Tｒusssysｔemisarrangｅdstartiｎｇｆrｏｍcoｓ+5007mandａｌｏngｔhedeｓignｓloｐｅｔo+6,７10ｍ。Ｔheｗidthoftｈeｓtｅｅlｔrusｓsyｓtｅmis３。4m。Tｈｅｈeiｇｈtｏfthetｒｕsssｙｓtｅｍｉs２．5m.?Baseｄonthedesigndｒawing,ｗhichwereｈaｎdｅdbytheＰriｎcｉpalCｏｎtｒaｃtortoSubcontｒactoｒ,wedivideｄinｔothefollｏwｉngｔypesｏfcompｏnents:Sｔｅe(cuò)lcｏlumnsSｔructｕreｓｕpｐoｒtiｎgｔｈemaｉntｒussstrｕcture：—Columntｙpｅ1(JZ４）hａscrｏsssｅｃtionofｅmptycoｌumｎｗitｈwidthof3。4ｍａｎｄheightof1４。52m．ＭaiｎｂarbysteelH300＊305,bｒａciｎｇｂaｒbｙｓtｅe(cuò)ｌＵ16,ａndＬ75—Ｌ1０0．—Cｏｌuｍnｔype2(JZ２/3)hascroｓssectioｎｏfeｍpｔycoｌumnwitｈwidtｈof3.4mａndheiｇｈtof1０．3５ｍ。MainbarbysteelＨ４88＊300,bｒａｃiｎgｂａrｂｙsteelＵ18，ａｎdL56-L１25。－Coｌuｍntypｅ3（JZ2/３)hascrｏｓsseｃtioｎofemｐtyｃolumnwiｔhwidtｈoｆ3。4maｎdheightｏf19.5５m。MainbａrbysteｅlH７0０*30０，brａｃinｇbarbystｅe(cuò)lＵ１８,anｄL56-L１2５.—Ａlltｈecolumｎsｈａveｌeｎｇtｈ＞12mwｉllbediviｄｅdintosmallｅrｃomｐonentswithｌengｔh<=1２mandａｌｌａrepｒoducｅdintheplanｔ,tｈencombiｎedanｄcoｎnｅctedinｔｈｅｃonstructioｎsite。B．Ｊ1—Ｊ５bｅlｔcｏnveyerｇalleｒyｓteeｌｓtruｃtｕｒe:Wｉdtｈ3.4m;Hｅiｇhｔ2。5matotalleｎgthｉsｃalculatedasthedｅsigｎsｌｏpeｉs:222.0７６m?！猂ackｉｎｇｐlａt(yī)form（HＪ１—HJ８）haｓsｔructｕreofanｇｌｅsｔeeｌtruｓsforｍat：Ｈeiｇｈｔ2。5m,Lenｇｔh31.2ｍ(mａx)。Ｔhebａrｉｎuppｅrtrussaｎdthebarｉnbｅlloｗｔruｓｓisuseｄhｏtｒolledstｅe(cuò)ｌ2Ｌ10０—２L130.Thewebｂaｒsｕsehｏｔｒｏllｅdsteel2Ｌ6３-２L90.

－ＢoｔtomfloorｏfｃｏnｖｅyorsareｈｏriｚontaｌbeａmssuｐportconveyerusｉngsｔeelＩ18,ｖerticalbeａmssuppoｒtconｖeyeｒｕsingsteelＩ１６,aｕxiliaryｂeamsusingsｔeeｌU8。Fｌoorｉngsheｅtｏnｔheｂeｌｔconveｙorgａlｌｅrieｓａndｓtairsｕｓｅ６mmanｔi—sｋidsteelplate。?－Steｅｌｓtructurecoｖersbelｔcoｎｖeyoｒgａｌｌerｉeｓｓｙstem:Tｈｅfｒaｍｅwoｒkｉsusedｔocoverｕｓiｎgcoｍbｉneｄsteeｌ。ＢraｃingofthefｒａmeｕｓingaｎｇｌｅsｔeelＬ56*5,thestructureｓｕpportingtherelｉｇｉousroofuｓｉｎgC２00cold—rolledsｈapｅstｅｅl,thestrｕｃturｅsupｐorｔｉnｇtheｒeliｇiouswalｌusｉnｇC1２0cold-rolledstｅe(cuò)l。?—Alltheframeshavｅlｅｎgth〉１２ｍwillbｅdｉｖｉdedｉｎtosｍallercomｐoｎenｔswｉthlength<=12mａnｄarｅｐroducedatｔheplanｔ，ｔhencombinedａnｄconneｃtｅｄｉntｈeｃonｓtrucｔioｎsite.?PＡRＴＩI：PREPAＲATIONＯＦFACIＬITIES,ＥNGINEERＩNGSＵPPLＩESANDＭATERIALＳ

FORSTEＥLSＴRＵCTURALFABRＩCATＩONOFBELＴCＯNVEYＯRGALLERYI．FAＣIＬＩTIESEＮＧINEＥRINGＳTEELPＲODUCTＩON．TheentｉrｅsteｅlstruｃtｕreｏftｈeitｅmsｔeｅlsｔｒucｔｕresuppoｒtingbｅlｔconveyｏrｇａlleｒｙsystemJ１tｏJ５aｒeｍaｎufａctuｒedatfａcｔoryofＴhangLｏｎｇＦerroｕsMetａlｌurgyJSCinＭyＨaｏDistricｔ—ＨungYｅnThesｔructuｒａｌwiｔhweight≤5。０00kgaｎdlength≤２0mareｐroduceｄinfactories。Tｈeｓｔｒucｔuｒａlwithwｅigｈt〉5０00kgandlength>３０marｅｐrｏducedoｕtｓidetｈeｐrocesｓｉngoｆｓteelｓtrucｔureｓ。Ouｒplanｔincludesfaｃtorysｙstem,techｎicaｌsｔａffａndｓkｉlｌedworkｅrsequippedwｉtｈthemodｅrnequｉpｍentaｎｄmachiｎeryｔoｐroduｃeprｏdｕｃｔsmeetiｎｇtｈｅｔechnｉｃalrｅquirementsofｄesiｇnsandｃurrentstａｎdards。Equipｍeｎtｓforｐroduｃtioninpｌaｎtｓｉsasｆollows:APｒocessiｎgｅquipmenteｍbｒyoｓ1。Ｈｙdraulｉccutteｒbutｆlａt(yī)producｔion（Ｉmpｏrteｄ）?:?01２。CNCeｍbｒyosｃutｔer(Impｏｒted)? ? :?023。Ｐｕnchiｎｇ—and-sｈeaｒｉｎgmachine???：?0１４。Ｈｙdraulicｐrｅｓｓmachinｅ300T－PPＮ3１20０??:?015.Ｓｔｅe(cuò)lｃutters ? ?? ?：?01B.Meｃｈaｎicalｅquipｍenｔ１。3－axiswiｎｄmachineｓ??? :?01２.U—milｌmaｃhinｅ? :?013。Lａt(yī)heT750,T823 ? ?： ０１4．Auｔomａt(yī)icｄrｉｆtiｎｇｍaｃhine ? ：?015。Lａｒge-diametｅrｄｒｉllZ305０x16?? ?： 0１6。Twostoｎegrindeｒ?? ? ?: ０2７.Ｈａndfｏrever:0５8.Dｒｉｌｌingｍachiｎｅ?? ：?01Ｃ.Ｗeldiｎgequｉｐmeｎt–bendｉｎｇ1.

ＡutomatiｃWｅlｄiｎgMachiｎe２buｒnｅrｓ? ?： ０１

2。

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4.

Wｉngbendｉngｍａｃhine? ? :?01?５。

Ｔa3５0ＣＯ２welｄingmａcｈine–Wiｎ ： ０5D。Cleaningandpａiｎting１。

Bogｏcomprｅssoｒs ? ?：?０１

2。

Sandbｌastiｎgmachinｅ ?? : 01?E.

Transｐｏｒtequipmentlｉfｔing?1．

Q=10ｔoncrane??? : ０4

2.

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F。

Tesｔeｑｕipment?1。

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２.

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Equipmenｔａndｃonstruｃtioｎmachiｎeｒｙatconstructionsite

1．

Welｄｅｒ? ? ???:?０2

2．

Generators? ? :?01?３。

Irｏncuttinｇmacｈiｎes ? ? ? ： ０1?4。

MaｃｈinesforcｏnstrｕcｔionｏtherII.

ＨUMＡNresourcｅsfoｒＳTEELｓｔructurePRＯＤUＣTION。TotalnumbeｒoｆtechｎｉcalｗｏｒｋersoftｈefacｔorywｅntintopｒoducｔionｏfsteelstrucｔｕrｅｓfoｒＣokｅbeltｃonveyｏｒgａlleriesto9４peopｌeaｔｉtspeak.

Ofwhicｈ:

1。

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４.

Turnｅr:02workers?5．

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７。

Techｎicａleｎgineeringｓtaffforpｒoducｔｉon：1０pｅoplｅIII。

PRＥPARＡTIONMATEＲIALS，MATERIAＬSTEＥLPRODUCTIＯN。1．

Steel:Allｔypesofsteｅlinｐroductionofstｅe(cuò)lｓtructuresｔｏeｎsurｅtheneｗstｅｅl,stainlesspittｉng,nowarping。

Steelmuｓthaveaclearoｒｉgin,musthavｅaqualｉｔｙｃonｔrｏlcｈeckｏfeａchtypｅofbａt(yī)cｈpｒoduｃtion。

Afteｒｔｈeｉnvesｔmeｎt,suｐerviｓiｏnconsuｌtaｎｔsｔoagreeｔotｅstfｏrｓamplingｑualitｙcｏntrolｔｏenｓurethenewｓteｅlwaｓpｕｔinｔopｒoducｔion.

Ｔhｅe(cuò)ntireｐroｄuctioｎofsteelｆoｒｂeltcoｎvｅｙergaｌｌeｒyｓteelsｔructuｒeisQ2３5BsteelwｈichmadefroｍChinaorotｈerstｅe(cuò)lｗｉｔheqｕｉvalｅntspecｉfｉcaｔｉｏｎs.2.

Weldingmaｔeｒialｓ:wｅldingmaｔｅriaｌsofchoｉｃefoｒｅlecｔriｃｗeｌdingmethodaｃcｏrdingtoautomaticwｅlｄingaｎdｍａnualweldｉng.

ａ）Manualweldiｎg：AttherｅquestｏfdｅsiｇninginwｅlｄingofQ２３５Bstｅｅｌstrｕcture,usiｎｇE4３weldingroｄsｏｆChina.ＴypesoｆweldｉｎgｒodshaｓｔhｅｓaｍｅtｅchnicalfeaturesofJ４21weldiｎｇrｏdoｆVietnameseＧｅrmanWeldinｇCompany,FS-Ｅ４２１andFＳ—Ｅ422ｏfthecｏmpany‘sHuuNghｉweｌdｉnganｄcｏnstｒｕctionoｆVietnam'smeｃｈaniｃaｌproduction.?b）Auｔomaticwelｄinｇ：ＷｈｅnwelｄiｎgsteelstructuｒeswithｓteelQ2３5AandQ235ＢusingｗeｌｄinｇｗｉrｅａnｄｗeｌdingcoｍpoundH08EH０８ＡorequiｖalentweldingwireａndwｅｌdｉngcｏｍｐouｎｄFＳ—HW0８A，HF-402。３.CｈｏosePaint：—EｐoxyＰrｉmｅr,EpoxyinterｍedｉatepaｉntａndcoatingofPＵpａｉntoｆｍａnｕfaｃtureｒsiｎＶietnamｗasaｃcepｔedbytheInｖestorandＭCC(HａｎｏiＧｅnerａlPaiｎtCorｐoraｔion/JotｕnVietＮam/Interpainｔ/Chugoku。。.)withａｐproprｉａt(yī)ｅｑｕalｉtyｍeeｔｉngtｈeｒequｉremｅｎtsoftｈeproｐosｅddｅｓign.?PARTIII:ＳTEELＦABRIＣATIOＮＡ—GENＥＲＡLＰRINＣＩPLESFａbricatｉonofstｅe(cuò)ｌstrｕcｔureｓｆorbｅｌｔｃoｎveyeｒgalleryｓｔructuralsystｅmcｏｍplieｓwithconstrucｔioｎstａｎdardｓaｎｄacｃeｐtanceoｆGB５０２0５—200１,steelsｔrucｔｕrａlweｌdｉｎgstandardJGJ81-9１,205—83Ｃhina’smanufacturｉnｇstandarｄｓandｓtｒuctureｓ

170—８9２0ＴＣN—steeｌofVieｔnaｍaｓfollows:

a,Ｓteelsｔｒuctureanｄｔexｔｕrefoｎtaneltiｏuｎｏn—stａnｄarｄｐａｒtismaｎufacturedaccordiｎgｔodesigndｒawings,dｅｔaｉleｄｄrawｉngsoｆｃomponｅnｔsthaｔareａvaiｌaｂlefoｒａpｐrovａlandprｏmｕlgatｉｏｎ。ｂ,Ｗhenproceｓｓingｕsｉｎｇａdvancedmｅtｈodｓ,inaccｏrdanｃeｗithｔherequiremｅntsoftechｎｏlogyａnｄsｔriｃｔcontrolofｔhestages。

ｃ，Mａｔerｉalsuｓedforprocessingandmanuｆactｕｒiｎgtｏqualitｙａｎdｎumｂerｏfｓteelgrａdesｉnａccorｄaｎcewitｈｄesｉgｎreｑuirementｓ.?d，F(xiàn)ortｈepａrticulａrｓｔeelcoｍponenｔs,iｎａdditiontogｅｎerａlｐroｖisｉonsalsocomplywitｈspecifiｃregulatｉoｎsforｓｔeelｍaterialsｏftｈaｔsｔrｕｃtｕｒｅｓ。

ｅ,Ｒeｑuiremｅｎtsｆｏrsteｅlandweldｉngｍaｔｅrials:Alｌｔhesteeｌinｔotheｍanｕfacｔuringtobetｅstedmusｃleaｎdｐhｙsicａllybｙtｈeｌegalｕniｔ’sperforｍanｃｅ。?Welｄingroｄ,weｌdingwirｅanｄwelｄiｎgcompoｕｎｄ'sqｕalitｙcｅｒtiｆｉcatｅsｓhｏuldcａｌｌthｅmａnｕｆaｃturertoｐrｏｖｉde,priｏrｔｏuseｔochecｋqｕaｌity。f,Oｔｈｅrmaterials：

Ｂｏltｓ—linktypemustｈaｖethecｅrtifｉｃaｔｅ,thequaｌity。?

Anti－rｕsｔpaiｎｔandpｒｏｔeｃtedbypaiｎｔareｓpeciｆieｄaccuraｔelyasｔｈeｄｅsｉｇｎofｐaintacomponenｔortwｏcｏmpｏnents,thelｅvelofcｌeanｉｎgandｃoaｔingtｈicknessoｆeachlaｙer．B—MＡNUFACTURＩNGPROCEＳSOFＳTEＥLCＯMPANYResearchdesigndrawings,constructiondrawingsmadeResearchdesigndrawings,constructiondrawingsmadeInspectionandapprova/Inspectionandapprova/Check,ApprovalUpdemandformaterials ??? ? ? Updemandformaterials?? ? PurchaseofsuppliesbyprojectrequirementsPurchaseofsuppliesbyprojectrequirementsCheckinputsCheckinputsReturnproviderNｏ。

Ｒeａch?? ? ＯkreachedReturnproviderImpression,bycuttingembryodrawingshavebeenapprovedImpression,bycuttingembryodrawingshavebeenapproved?Flatstraightening,preparingjointcombineddetailsFlatstraightening,preparingjointcombineddetailsInspectionanddocumentationInspectionanddocumentationDetailedfittingcombinationDetailedfittingcombinationconsortiumconsortiumweldingafterdetailshavebeencombinedStraighteningwingStraighteningwingdetailafterweldingPerfectfittingassemblies

PerfectfittingassembliesInspectionanddocumentationInspectionanddocumentationWeldingcompletedetailWeldingcompletedetailsStraightening,flat,heated,groundfixStraightening,flat,heated,groundfixInspectionanddocumentationInspectionanddocumentationSurfacecleaningproductsSurfacecleaningproductsInspectionanddocumentationInspectionanddocumentationPaintproductsPaintproductsInspectionandInspectionanddocumentationLastinspection.

MakingrecordsofcompletedtestsLastinspection.

MakingrecordsofcompletedtestsPublictransporttoPublictransporttoconstructionsiteＣ—SｔeelstructurｅmaｎufacturｉngI。Billｅtproceｓs(billｅｔforｍiｎg，mａrkinganｄcutting)I。1。Fｏrmｉngａｎdmarkｉng：Ｂefｏreｆorminｇａｎdｍarｋiｎｇ，steelsurfaceｍusｔbeｃｌeanｅdsｏthaｔｔｈｅreｉsnoｇreaｓeｏrdust。Steeｌmusｔnoｔbeｒｕsｔyandａbsceｓsｅd。Worｋeｒwhｏｉｓiｎｃharｇｅoｆｆorｍing,maｒkingｍuｓtbesｋillｅdandweｌl-traｉｎedexpｅrieｎcedaｎdａbｌetｏｕｎｄｅｒstand,detaildeｓigndrawing.Ｓupervisｅｅngｉnｅe(cuò)rmustｐopulａrizemanufacturingoaｒｔsteｃhnoloｇyandinstrｕetmaｒｋｉngwｏrkｄerｔomakearｅdundancyｉncaｓeｏｆtheshriｎkaｇeincutting,wｅldingaｎdｃhamferｉnｇToolsforｆｏrminｇandｍarkingａre:ｓtｅe(cuò)ｌpｅn,ｐaｒａnecａlipｅrｓｑuaｒe，ｉron—shｅｅtｍeaｓuｒiｎｇtａpｅ，ｓetquａｒe。I.２.Ｂilｌｅtcutting：2。1。Ｃuttｉngbillｅtbｙｈeatiｎgmetｈod：Dｕriｎgthｅcｕttingprocess,tempｅrmｕstbestableｉnoｒdeｒtｏreｄｕcethebｉllｅtｗａｒping。Temｐerａt(yī)ｕrｅattheｃutoffｐoｉｎtshouldbecontrolｌeｄfrom900０Cto10000Ｃsｏthatthecｕttｉngliｎｅisflａｔandｎｏtburneddｕeａｎｄtheｒｅisnosteeｌslaｇａｔlowtempeｒaｔｕｒｅinｏrdertorｅducｅtｈelａｂoｒcｏsｔｆoｒｔhebilleｔclｅaｎｉｎｇprocesstochamfｅrｉng．Meanｓaｎｄtoolｓｆoｒbｉlletcuttingbyｈeatｉngmｅthｏdareincluding：Gas–ｏxyｐｌaｎe-shearingmacｈiｎeｍaｄeinＣｈinａ,ＫEROＩｇａs—oｘypｌaｔe—shｅariｎgｍaｃhｉneｍadeinJapａn。.２.2.Ｂevｅlｅｄ:Allthebutt—wｅldiｎgforｐarｔsｗithｔhebｉlleｔｔｈｉckneｓs≥8ｍmsｈouｌdｂechaｍferedbymａcｈiｎｅoｒautogenousｃuttingmachiｎe．Ｔｏｌeranceｏfchaｍfeｒinｇｉsexｅｃutｅｄbaseontaｂle４.3。2stａｎdardGB5020５－2001CｈiｎesｅstanｄａrdｏrＡＷＳＤ1.1ｓtandaｒdｏnｐａｇｅ1１.Ｔablｅ５apｐlieｓtoVmanｕalwelｄｉｎgjoiｎｔ。２。３Biｌletｓtrａighteｎingbeforｅjｉggingwｅldiｎg：-Mｅtｈｏｄofｓtｒaiｇｈteniｎgcoｍｐonentsｍadebyｓｔraightenｉｎgｍachinｅdediｃatｅdstruｃｔureｓfoｒｈｏt-rｏｌｌedｓｔrucｔurａlｓtｅe(cuò)landｃombiｎｅｄweｌｄｉnｇsteｅｌ。Manualstraigｈteｎingmetｈoｄfｏrｓtraightｅnｉnｇｈoｔ－ｒoｌlｅdcornｅrｓteｅlｃｏmponenｔsandｏｔheｒcｏmponｅntswhiｃｈhavecomplexsizeａndbｅamstraighteninｇｍａcｈinefaｉls。?—Theｒemustbenｏｄimpｌesoｎsurfaｃeofparts,deｐthofcａｓtｍarｋsonsｕrface０．5mmafterstraighening?！裕瑁澹醠ｌｏwanceｔoleｒanｃetabｌeaftｅrｓtｒaightｅningstｅｅlｍaterial.No.CatｅgoｒyDiａｇramＡｌｌowancetoｌerancｅ（ｍm)1Ｐartiａlsmooｔhnesｓoftheｐlatｅt≤１4t≥141000t1000tTｏleｒaｎｃｅraｎgｅ10０0ｍｍ:1，5１，02Theheighｔｏｆｔhefｏｒmsteel’sbow(f)ff1/100０5mｍ3bbΔΔbΔΔbΔ=b/1000Δ=b/1000４bbbΔΔbΔΔΔ=b/80Δ=b/805TheslopingoｆsｉdｅｅdgeofI＆Hｓhapedｓtｅe(cuò)l:(Δ）bbHΔbΔHΔbΔΔ=b/100Δ=b/100I。3.Proceｓsingparts,holｌowｏfpartandｐaｒtaｓｓeｍbｌy。-Sinｇlehollowsofｓｉmｉlaｒpａrtｓｃanbejiggedmaｎｙplaｔeforｄｒiｌliｎgatｔheｓａｍｅtimｅ，Usingａｆｉxeｄofclａmbinｇsettｏaｖoidbackｌashｗhｅndrilling．Dｒilｌholｅscｏnnecｔiｎgpａrtsbymｕltiｂoｌtsmustbeｅxａｃｔｌｙmarｋedａnｄimplｅmentedｂｙpair，depｅndｉｎｇonthｅdrillｈｏｌｅ’ｓdiametertomakｅadｒilｌingtesｔfirst.—Ｔｈeｄｒiｌlhoｌesthatcannoｔbecｏnfirmenｄtobeiｍpleｍentedfiｒstsｈｏuldbedｏneafｔerｓtrｕｃｔｕrecompletiｏｎtoenｓｕrethｅacｃuracｙ。-Lightstrｕcｔuralpａrts：rooｆｐｕrｌin，framepurｌintobedrilｌedｂyvertiｃaｌｄｒｉllpreｓsshownontｈｅdetaｉlｅｄｍａｎｕfactuｒingdrawinｇforeachtｙｐe。Ｑuａntｉtｙｏftyｐesanｄsｙmmetricbars(ifany)neｅdtｏbeｐａidattｅnｔioｎwｈenstｉｔching。-Anｇle—stｅe(cuò)ｌbracewhiｃhｈasdrillholｅａt(yī)thｅtwｏｅnｄofｔhｅbartoconnecttempoｒａryDhole=db１+2mmTolｅrancetａbleｏfｐｒｏｃｅsｓinｇforhｉghintensivｅｂolt’ｓｈolｅ。No。NamｅNominaｌｄｉameteｒandａllｏｗancetolerａnce（mｍ)1ＢoltNominａldiaｍeteｒ１21620２2２427３0Alｌoｗanｃｅtolerance±０，43±0,５２±0，842Bolt’ｓhoｌedｉａmeｔer13,517，52２24263033Ａllowａｎcｅｔoｌｅｒance＋１—０3VertiｃalｓｔｒａiｇｈtｎeｓｓNomｏｒethan0,0３tａｎd〉2,0mmＡlloｗancetoｌeｒancetableofｈole’ｓdistanｃｅNo。ＣａｔegoryAｌloｗancetoｌｅｒａnce≤500〉50０～1２00〉1２00~30０0≥300012３Beｔｗｅｅｎtwocｏntiｇuoushｏleｓoｆｓaｍeｇrｏup。ＢｅｔweｅｎtworanｄomholesｏfsaｍｅgroupBetweenthefirsttwoholeｓoftｗocontｉｇuousｇrouｐs．±0,7±１,0±１，2±1,2±1。5±2,0±３Afterdrｉlｌiｎｇ，thesharpeningａｎｇlｅsofhoｌｅsmustｂegrindeｄａndｃlｅａned。Geｎeraｌreqｕiｒement:iｎspｅcｔionforbiｌletbeforeｊigginｇsｔeelstrucｔurecoｍbｉnatiｏns．Allwｒｏｎｇｓize,wａｒｐingbilletsｍusｔｂerejectedbefｏrejigginｇsteelstrucｔurecｏmbinations.II.１.Jｉggiｎgandwelｄｉngsteｅltｒuｓsanｄlinkiｎgbracingｃolumntoｃreatefrａmes:Ereｃtｉｎｇmold:molｄiserecteｄonflａt(yī)ｆloortｏｅnsuregｒaｄeｄimeｎｓiｏn（ifaｎｙ）。Ｔhelｏcｋcodemustnoｔbecroｓseｄ;theｃenｔｒａlliｎeofflａｔisoｎhorizontal(theweｂ)shｏｕlｄｂeoｎtｈｅsaｍｅleveｌ(tｅstbybled)Tｈeworkofjigｇingａreｃarriedoｕtbymeａnｓoｆtempｏraryａｔtacｈmeｎtwｅldthencheckaｌlｔhegeｏmｅtricdimensionsofｔｈｅframeofsteｅltｒuss，thewarpｉnｇofdetailｐaｒts,ｆｌatsuｒfacesinsiｄeanｄｏutsiｄｅｔheframeofsteeｌtrｕss.Onceｔheparameterscontｒｏlledbytheｒeｑｕirementtｏｃonduｃtcompleteatｔａｃhｍenｔliｎktheｎｏdeｓofthesｔｅe(cuò)ltrusｓII。２。Complｅｔｅlｙjigginｇcolumnpartsaｎdsteelｔruss:Beforecompｌｅteｌyjiggingpaｒts:techｎicaｌｄepartmenttoｃheckalｌｔｈeｄetailswhiｃhweｒetemporａｒyfixturesaｎdtoｒejectａｌｌpartｓtｈatdoｎotmeeｔtherequｉremeｎｔofsize，ｓtraｉｇhtnｅssaｎdreplaｃenewones。Paｒtsareonlyjiｇgｅdwｈentheyarｅcoｎfiｒmedforsmooｔｈneｓsaｎdstraiｇｈtｎess.Whｅnwelｄinｇlｉnkｉngbｕtｔonsofthetrussａndlinｋinｇbrａｃiｎgcoluｍnsｔｏconducｔacｃuraｔｅｌyｔechnicalrequｉremeｎtsｉnoｒderｔoaｖoiｄimproｐerｗeldingproｃeｓsｅscaｕsiｎgwａrpｉnｇoftheliｎkｃodedｕｅtoｓhrinkageofｔheheat。

Ｊｉgｇinggussｅｔpｌateofcoｌumｎbase：Bｅｆoreｊｉggingcolumn，bｅamｍustbestraｉｇhteneｄ,wiｔhｏutｗarping,theｆlaｎｇｅmustbｅfｌatsothaｔtｈｅguｓsetｐｌatewilｌbecrosｓeｄwｉｔｈthefｌangeandtｈewｅｂtoenｓuｒｅsizefoｒmａt(yī)ching．Jｉｇgingguｓsetplａt(yī)eofｂeaｍhead:Ｄonｅｌikｅjｉgｇiｎgcolumnｓ,weｌdinｇｃｏｍbiｎationshｏuldｂｅｆinishｅdbeforｅjiggｉngｐarts;ｂraciｎgstruｔsand“conbo”（ｓｔｅe(cuò)lplateunｄeｒpａrｌｉn,ｉfaｎy）sｈｏuldbestraiｇhtｅｎed,smootheｄandnottｗiｓtｅd。Tolerancｅoｆcombiｎａｔionjiggｉｎgbaseｓontabｌe8：Table8:II.3．WｅlｄingforI,ｓteelｂeamsｔructurｅ,Ｈｃolｕmｎandtruss1。Ｗeldｉngmateriaｌs:—Maｎualweldingrod：UseE43welｄｉｎgrｏdorｗeldｉngrｏdｗiththesameｉntenｓion（ＦＳJ421）?！狝utｏmaticalwｅlｄingwireａｎdcoｍpound:ｕｓeH０8ＥorH08AweldingｗireaｎdcompounｄwithtｈesaｍeinｔeｎsionFＳ—HW０8Ａ,HF—402GettingceｒtifｉcateｆormbyVietｎａmRｅgistratioｎＤｅpartｍenｔ．２.Welｄｉngｐｒｏceｓs:２。1Maｎualweｌdinｇjｏint:Mａnualweldingisoｎlｙappｐｌiesｔoweｌdpａｒt，noｔtｏｃｏmｂｉnationwelding(excｅptfｏrｓmallparｔstｈatconnotbedoneｂｙautoｍａt(yī)icmacｈine)。Ｂｅｆoreweldiｎg,mustdeｆinepoｓitｉｏnfoｒparｔsandｐayatｔentｉontodｅforｍａt(yī)ioninweｌdingprｏcｅsｓ,ｅｓｐeｃｉａllywithpartsthathａvesurfａceｉnｓｔalｌｅdｈighｉnｔｅnsioｎbｏｌtｓ。Ｕsiｎgarｅconductinｇｐlａt(yī)etoeｎｓuresiｍilarmechanｉcａlｃａpacityatthefirｓt，endａnｄmiddlepｏinｔｏfｗeｌdingpoｉnｔs.Ensuriｎｇｅｓpecｉallywelldoneforbuttweldｓduringweldiｎgprocess(connectｉngｐlaｎgeanｄｗeb）adjuｓtelｅctriｃprｅsｓurｅasｒeｇulａｔiｏｎsfromtheweldｉngmatｅｒialmａnufactuｒｅr（nｏtedｏnpaｃkageｓ)toavoiｄerｒorsofｗｅlｄinｇjointwhｉcｈcauｓesｂyuｎｓｔableeleｃtrｉcｐrｅsｓｕrｅ.Manｕalweldinｇｒｏｄsshouｌｄｂeｄriｅdbefｏreｕsiｎg.Wｒittiｎgnameoｆｗeｌdｅrforｗeldｉｎgjointsｐositionwｈichhehaｓｄoｎｅ。Allbuｔtwｅldingmustｈａveａrｃcoｎductinｇｐlａt(yī)e。Ｂefoｒewｅldinｇjoiｎts，weldeｒsｍustcleanallｐositｉｏnoｆｗeldiｎｇpoｉntandkｎｏｗweldingｐoｉnt’sheight.Usinｇmｏlｄｔoｃhｅckoｆheｉｇｈtofwｅldingjoints，Uｌtｒawｓonｉcinspectｉonｓhｏulｄｂeappｌiedtoallbuttwｅlｄsaｎdre-wｅlｄａlltheｐointｓthaｔdonotｍｅe(cuò)ｔtｈetechniｃalrequiremeｎts。２。2．WeｌdingsteｅlstrｕcturewｉｔhporｔwelｄingmacｈinｅmadeinChina.AfｔｅrjｉｇgiｎgforIshaｐｅdbｅam，Ｈshaｐｅdｃolｕmnanｄtrusｓ，ｕsｉngcrａｎebridgeinwoｒkｓhoptｏlｉfｔｃombinａt(yī)ioｎｓtoａutomaｔicwｅldｉngｍａchｉｎe.Tｈeｊiggingbeamiskeptｓlｏpiｎgｏnthefixedｂｒackｅt，(unmovable)。Tｈemachｉｎehastwoｓｕpｐorｔｅdbracｋetｓsｏthatitcanweldｔｗobeａmsaｔtheｓaｍetｉme。Ａfterbeinginstaｌledanｄadｊuｓｔｅd，ｔoｗｅｄinghｅadsautｏmａt(yī)icallｙprotrｕdetotｈepositionｎｅｅdｔｏbeweded。Thefｒameｉsmoving，thｅｂitｓａｓoperatinｇandbeａｍｉswｅｌｄｅdoｎaｌlitslength。Ｗｅｃommｉtｔhａt(yī)theuseofaｕｔomaticｐorｔweｌｄingmａcｈiｎetｏpｒoduｃesteeｌstrｕcturewilｌgｕａranｔeetｈｅprogｒesｓａｎｄtheqｕalitｙｏfproductstｈattheInvestｏrsｗant。Ｔａｂle9：3。Checkingweldｉｎgjoｉnt。3.１Buttwｅｌdｉng:—Byvisual 100%—Bｙultrasonic?100%forsｔeelwiｔｈｔhickｎess≥8mmappliedasVｉetnamｓtandarｄ6７35：200０(ＢＳ3923—１：１988）-Ｃheckinｇbytesｔ(tensiletesｔ)ｆorsteelwiｔhvａriｕｏｓｔｈiｃhｎessｅs：0１sampｌe/peｒtesｔ．3。２。anglewelｄjｏint：－Byvisual:? １00%-ＢymoldasＶiｅtｎamStandard338-2０0５：??100%-Byuｌtrsonｉc: 0%Deｆecｔｓattｈeｗeｌdinｇjointfounddｕｒingcheckingｗｉｌlｂerｅcorｄeｄ.Allnｅｃessａryworksfoｒrｅpairingｄefｅctsaｎdｅrｒｏrswillbeaｌsoｒecordｅdａｓｗｅlｌ。Ｔｈewｅldiｎｇjointｍustbeclｅanｄtoensurenoｎ—ｒesidｕaryoｆdefｅcｔｓｄuｒingchecｋiｎｇ。DeｆectingtoｌeｎｃeoｆanglejointweldasinfigureAandBａreacｃepted.DeｆeｃtsａsinfigurｅCmuｓtbeｒeｐairｅd。DeｆectingｔoｌenceofbuttｗｅldaｓiｎfｉgureＤisａccepted,deｆectsａsiｎfiguｒeＥｍusｔｂerepaired。(AccｏrdiｎgtoAＷSＤ１。1ｐage４0）PiｃtureＡ：BesｔweldingｊointsPｉctureB：ＡｃｃｅptaｂｌedｅfectedwelｄｉｎｇjointwithＣpointｉsｆrom0.1Sto0.8ｍｍ（S:ｌeｎgthmeａsureｄaccoｒｄingｔoｔhｅｒｉghtａngｌesｉｄeofthewｅlｄiｎgjoint)ＰictureC:uｎacceｐtａbleｄｅfｅctedｗeldｉnｇjointsPicｔuｒeＤ:ＡｃcepｔaｂｌebｕttweldｉngjoiｎtwiｔｈR=0ｔo3mm。ErrｏrwelｄiｎgjoｉｎtIｎsufficientｗeldiｎgjｏint(nｏtｆuｌlydｏnｅ)Ｂurned—baｓｅweldingjointbｅaｒingweldinｇｊoｉnt3。3．StraiｇｈteniｎgIshapｅdbeａm，Hshａpｅｄｃｏｌumn,ａndtｒussａfｔeｒweｌdｉnｇ:Ａfteｒｗelding，Ishaｐedbｅａm,Hshapeｄｃoｌumnanｄtrusｓａlmｏｓtaｒewarｐeｄａnddefｏrmeｄbｅcａuseｏfheaｔ。Therefｏｒｅ,wehavetｏsｔrａiｇhｔenthemagainasiniｔiａldesiｇn．SｔｒaiｇhｔeｎingＩsｈapｅdｂeamwiｌlｂeｐrocｅssedｂｙstraｉgｈtｅningmachiｎe。Prｏcｅｄureofsｔraiｇhtenｉnｇfｏrbeａmｓtraightｅnｉngisａsｆｏlｌｏws:usingcraｎebridgeinthｅwoｒkｓｈoptoliftｔｈｅIｓhapedbｅａmoｒHshａpedbeamｕptoｂedoｆstraigｈteｎiｎgmacｈine.Ｐressiｎgelｅctricbｕttonfoｒoperａt(yī)iｎｇreeｌsotｈeｂeａmｗｉllmovｅonalｏnｇitｓbeｄsmoｏthlyｗithoｕtａｎｙproｂｌemsfｏrtraｓlａt(yī)iｏnalmｏvemｅntｏfＩｂeamorHbeａm。AdjuｓtiｎｇtheｓｔｒaighteｎｉｎｇenｇｉnｅｏfmacｈinｅｇradｕatlyloweｒdｏwnｔotheundersｉdesurｆaceofIbｅａmｏrHbｅam.Busｈingｇreａseoｎsｕｒｆaceｏfbeaｍrib.Pressiｎgstarｔｂottoｎforｈｙdraulicenｇｉneofstraｉghtｅningbeａmtｏopｅrateｔｏgethｅrwiｔhｔheｒeelsotｈaｔthebeamsurｆaceisalwaｙsｃontａctｅdwiｔhｂeaｍsｔrａiｇhteninｇeｎｇinｅ,ｐreｓsuｒeｆorｃｅwillbeｉｎcreaｓeｄ。IｓhａpｅdbeamｏrHshapeｄbｅamisｍovingｔｒanslaｔionａllｙonengiｎefewtime,itwillbｅｓtraight,smｏｏtｈlyasｄesign。PｒocｅｄuｒeofstｒａｉｇhｔｅninｇｓｔeeltrussisdonｅbymanualstraiｇｈｔeｎiｎgｔecｈnｉｑuewiｔhGas—oxygeｎbｕrneriｓasfollows:pｒofesｓiｏnaｌworkerswithknoｗｌeｄｇｅａndexperiｅnceｗiｌｌoｂserveｗitｈｔheｎaｋeｄｅyeａndsuppoｒtｉngdeviceｓtodetermiｎeｔhepoｓiｔiｏnstoｉmpaｃｔｈeatingaｎdcｏolingimｍｅdｉatｅlytoputtheｓecomｐoｎentｓａrelinkedintｏthｅsystembacｋｔoflaｔlａyoutwｈicｈisａllowｅdastheｄｅsigｎandｃuｒrentregulａｔioｎｓ.Ｃheckｉｎgweldｊoiｎt:ＢuｔtwelｄByvisuaｌ100%Byultrasｏｎic：Steelwiththｉcｋnｅｓｓ≥８ｍｍ：1０0％（aｓVｉetNａｍsｔandａrd6735:2０00)Steeｌｗiｔhｔhickｎeｓs〈8ｍｍ：０%(asＶietNamstanｄaｒd6735：2000）。AngleweldjｏｉｎtBｙｖisｕal100%Bymold(ａｓVNstandarｄ338—2005）10０%Byultｒasoniｃ0%3．4.wｅldiｎgsｍallpaｒts，finishiｎgｗeldfｏｒbeam.AfteｒsｔraｉghteningHbｅamｒid,thecrａnｅbriｄgewillｌiftｔhｅbeａmｏnｔｏthｅwaｇｏnaｎdmｏvｅｔoｔhｅｃｏｍpｌetｅweldiｎgstage.Rightheｒｅ，thｅｂeamｉsweldｅdadｄitionalheadplate,brａｃｉngsｔrｕt,sｕpportｅdbeａmbuｇ，gussetｐlatefoｒbracｅ,etc…tｏｇeｔherwitｈdｒilｌiｎｇａnddrifｔinｇ…Bｅforｅwelｄing，thｅｓurfaｃeｏfｅleｍｅntｓmｕsｔbecleaｎeｄａｔｔheｗｅldiｎgｐointｓwitｈnolessthａn20mmofwｉdth.Assemblieｓｍuｓｔbeｃheckｅdbeforeｗelｄing。Ｎextlayersaｒeｏnlyallowedtoｗｅldwhｅnｓtains，dirｔy,craｋsｏfprｅveouslａyｅｒwiｔhｃavｉtｙarｅcｌeanｅd.Ｔｈesｉzｅofeachweldingjｏｉntmustbｅｆolloｗｅｄasｓpecifiedｓtructuraｌdｒａｗｉnｇ.Wｅe(cuò)ｑｕｉｐpeｄmoderｎmacｈinessucｈas：6-ｂurｎerweｌdinｇmaｃhine,CO2ｇaｓwelｄｉｎｇ,drillerｓandpunchｉng-anｄ-shearｉｎgmachinｅintheworshｏp．Ｔhｅsｅfｏllowingtｏlerancesmustbeeｎsurｅｄtｏeｘecuteinthｅcｏｍpｌeｔｅwｅldinｇsteps:IＩI.CＬEANIＮGWＯRKSｅe(cuò)lstructureａｆterｗeldｉnｇanｄｔestiｎgcompletedtoensuｒｅｓtanｄaｒds，ｍuｓtbeｐuｔｔoｗorkｃleaniｎgａsSＡ2。5ｐｕｒitygradｅｕnderIＳＯ８5０1:Bｅｆorecｌｅaningbythｅsandbｌastiｎgmethod,wｏrkerstｏｃleanuｐthｅｐreｌimｉnaryimｐurｉtｉｅs,traceｓｓolｄeredtowarts,anｄothereｒｒorｓdｕｅtoｗｅldｉｎg，ｊiggiｎgcaｕsedbyastainlessmacｈiｎeａndaｇｒiｎdertoｗhｅtalllobｅｓwｈiｃｈｔｈefixtｕreslefｔ.Befｏｒｅpｒimertoｃleantｈestａins,oiｌoｎsｕrｆaceofcompｏnents(ｉnｔhecａseｔheｒeisstilllｕbricａntstickｉｎg,yoｕmuｓtusecheｍｉcalstocleａntｈecｈeｍｉcalimｐuriｔiｅｓtｏｍainｔainsｔeel).

Priortoｃoaｔiｎｇ，quａlitycoｎtｒolｏｆprｉmerｓｎeedtobedone。

Usｅstructｕralsteelwｈｉcｈwascｌｅａnｅdtothｅpａiｎtｂｙｗagoｎ。

Sｔrｕctuｒeswerepｕtintｏseｐａrａt(yī)ｅｒooｍsforpaintｉngwitｈsｐrａｙgｕns。IＶ。Pａintiｎgｐｒoｃess。TｈｅpａinｔinｇproｃeｓsａppliｅsasFW６９60-8４４0－SＰ—0004witｈｆoｌloｗingconｄitioｎs:１。Coｎditiｏnsofweather:Donoｔpainｔａt(yī)tｈetｅmpｅratuｒe＜100Ｃandthｅｈumidity〉８5%。Ｔheprocｅｓsｏfｐaintingisｎotdonｅｗhenthｅｍeｔalsurface'stemｐeratuｒe〈30Cor>80C.Donｏtpainｔunｄertheｓuｎ，inｔhｅraiｎ，thｅｓmogandｏnｗeｔsurfａces。Tｈｅsuｒfaｃeｎｅe(cuò)dtobeｐainｔedwithin04hoursaftｅrｃleaning。2。Ｃonｄiｔiｏnsｏfcoｍｐｒeｓｓedair:Thｅcoｎpｒesｓeｄaｉrfｏrpainｔｉngshoulｄbeｄampｓepａration,ｏilandｔhｅteｍｐｅｒaｔｕresｈouｌdbemoretｈａn100ｄegreecelｓiuｓ。3.Coｎdｉtioｎｓofeqｕipｍｅnｔs：TheｄeviｃetｏpａintisGｒａｃovacuumpaｉntsprayingdeviceanｄsiｍplepaｉｎtspｒayｉｎｇdeｖiｃe.Ｒｅｐlacetheｐaintspｒayerwｈeｎitisａb