Cov Khoom Siv Qeb & Sib Differency
Q: Dab tsi yog qhov sib txawv ntawm Jis SS400, Q235B, A36, thiab Q345B hauv cov h nqaj?A: Cov qib plaub kis sib txawv tshwj xeeb hauv lawv cov txiaj ntsig, thiab npaj siv. JIS SS400 Ua raws li tus qauv Japanese, nrog tsawg kawg yog cov txiaj ntsig zoo ntawm 245 MPa, ua rau nws zoo tshaj plaws rau cov tsev lag luam dav dav. Q235b adheres rau Suav GB / T 700, nrog rau 235 MPA tawm los zog, siv dav hauv cov ntas nyob hauv nroog thiab lub teeb kev lag luam. ASTM A36, tus qauv Asmeskas, muaj 250 MPa (36 ksi) tawm lub zog, nrov rau cov vaj tse thiab mid {sawv tsev vim nws qhov zoo weldability. Q345B (Suav GB / T 1591) sawv nrog ntau dua 345 MPA tawm los ua ke zoo li kev lag luam cranes lossis siab}} {{18 {18 {18 {18 {18 {18 {18 {18} Thaum SS400, Q235B, thiab A36 yog cov hlau me me rau qhov hnyav {} Xaiv}
Q: Vim li cas "kub dov" cov txheej txheem uas nyiam tshaj plaws rau cov txheej txheem h tw?A: Kub Rolling yog qhov zoo dua vim tias nws txhim kho cov hlau lub zog, lub zog, thiab tus nqi - ua hauj lwm zoo rau kev siv. Thaum lub caij kub dov, hlau yog rhuab saum toj kawg 1000 degree, ua rau nws malleable txaus kom zoo rau lub h nqaj zoo kawg- ntu thiab web) yam tsis tau tawg. Cov txheej txheem no tseem tsim cov qauv grain zoo nkauj, txhim kho lub nqaj lub ductility - tseem ceeb rau ntawm} chaw, khoov, thiab vuam. Kub Rolling yog lub siab {{8} siv cov nqi ntau lawm piv rau cov nqi txias, uas txhais tau rau cov nqi pheej yig rau cov neeg yuav khoom. Ib qho ntxiv, kub {{- rolled nto (nrog tsaus zeb nplai) muab lub hauv paus zoo rau kev kho mob corrosion zoo li kev pleev xim lossis galvanizing. Rau cov kab ke teeb, qhov twg muaj zog thiab yooj yim ntawm kev teeb tsa muaj teeb meem feem ntau, kub dov rau kev sib npaug zoo tshaj ntawm kev ua tau zoo thiab tus nqi.
Q: Yog Q345B muaj zog ntau dua Q235B / A36, thiab kuv yuav tsum tau ua dab tsi?A: Yog, Q345B yog muaj zog dua Q235B thiab A335B thiab 38% siab dua A36's 250 MPa. Koj yuav xav tau Q345B thaum koj qhov probs cuam tshuam nrog kev thauj khoom hnyav, ntev ntev, lossis cov xwm txheej hnyav. Piv txwv li, yog tias koj tab tom tsim lub tsev rau khoom lag luam nrog cov khoom siv nyiaj ntau dua (Q345b lub zog tiv thaiv Beam defection. Nws tseem zoo tagnrho rau siab-} Cov tsev tsev tsev, uas txhua nqaj yuav tsum pab txhawb ntau cov plag tsev ntawm qhov hnyav. Txog ntev-cann cov qauv lossis sab nraum zoov cov qauv nrog cua / daus lo, Q345b txoj kev txhawb nqa kev txhawb nqa ntxiv. Hauv kev sib piv, Q235B / A36 ua haujlwm rau cov haujlwm sib zog zoo ib yam li 3-5 zaj dab neeg lossis cov khw muag khoom me me. Yog tias koj tus kws ua choj cov kev cai hu rau tawm los ntawm lub zog siab tshaj 2545b yog qhov kev xaiv yog los ua kom muaj kev nyab xeeb.
Q: Tau jis ss400 tau siv sib hloov nrog Q235b lossis A36 hauv qhov project?A: Hauv feem ntau tsawg - - nruab nrab load prostings, jis nruab nrab load intertsagly nrog Q235b lossis A36, uas yog lawv cov khoom siv tshuab yog ze heev. SS400 (245 MPA tawm los) yog muaj zog me dua Q235B (235 MPa) tab sis me ntsis tsis muaj zog tshaj li A36 (250 mpa Txhua peb yog cov hlau me me uas muaj weldability zoo, yog li koj tuaj yeem siv WELD SS400 rau Q235B / A36 Cheebtsam tsis muaj teeb meem ntau. Txawm li cas los xij, xyuas koj cov phiaj xwm tus qauv tsim ua ntej: Yog tias nws qhia tshwj xeeb rau cov lej tshwj xeeb (piv txwv li Asmeskas rau A335b, koj yuav tsum tau lo rau qib ntawd ua raws li lub sijhawm ntawd. Tsis tas li, kom ntseeg tau qhov sib txawv sib xws {23} ss400 ci ntsa iab feem ntau ua raws li Imperial angers (Flange dav, web tuab) kom zam cov teeb meem kev teeb tsa. Feem ntau, ho, swapping cov qhab nia no yuav tsis cuam tshuam dab tsi.
Q: "Muaj qhov zoo tshaj plaws" txhais tau tias rau cov kub -}} dov h nqaj?A: "Qhov zoo tshaj plaws" lav tau tias cov be leads ua raws li cov qauv kev lag luam siab tshaj plaws rau cov khoom siv huv, qhov tseeb raug, thiab kev ncaj ncees. Nws txhais tau tias cov hlau siv muaj tsawg heev impurities (zoo li cov txiv leej ntoo lossis phosphorus) uas tuaj yeem ua rau lub zog steel los ntawm cov mills los ntawm cov ntawv pov thawj kom tsis txhob muaj qhov tsis xws luag. Prime kuj tseem ua kom nruj Dostrensional Kev tswj: Txhua Beeb lub qhov tob, Flange Dav, thiab WebS, 15000mm), yog li lawv haum txig nrog lwm cov txheej txheem. Ib qho ntxiv, cov teeb pom kev hla dhau 100% qhov muag pom kom tshem tawm cov dents, tawg, lossis chaw tsis ncaj ncees. Lawv kuj tuaj nrog daim ntawv pov thawj (zeb xeem zeb ceeb toom, kev ua raws kev cai docs) los ua pov thawj zoo. Rau cov neeg yuav khoom, tseem ceeb txhais tau tias tsawg dua kev tsis lees paub, nrawm dua} {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
Teeb 2: Cov Ntawv Thov & Ntsaws muaj peev xwm
Q: Qhov twg ntawm cov nyoo cov qhab nia yog qhov zoo tshaj rau cov qauv tsev?A: Rau cov tsev nyob (piv txwv li, lub tsev, chav nyob kom txog rau 5 cov dab neeg), Q26, lossis JE335b, lawv tau sib npaug lub zog, nqi, thiab siv yooj yim. Cov chav me me no tau muaj txiaj ntsig zoo zog (235- 250 mpa Ib 150x75mm Q235B H nqaj, ua haujlwm zoo rau hauv pem teb spans ntawm 3 {}} zaj dab neeg nyob rau hauv ib chav tsev 5-5 me nyuam nyob rau hauv ib chav tsev 5-dab neeg. Lawv yog lub khaub ncaws hnav kom yooj yim rau cov khoom siv rau ntawm cov khoom lag luam (tsis muaj kev pheej hmoo) thiab pheej yig txaus rau cov peev txheej ua haujlwm nyob hauv kev kos. Q345B yog overkill rau feem ntau cov tsev-nws muaj zog dua (thiab kim dua) ntau dua li koj tau tsim cov khoom kim heev (xws li, qhob countertops, loj iav phab ntsa). Cov kws ua choj feem ntau qhia Q235b / A36 / SS400 rau cov phiaj xwm chaw nyob kom ua tau zoo thiab raug nqi.
Q: Puas yog cov h nqaj yuav siv rau cov khoom siv khoom lag luam khoom siv?A: Yog lawm, cov h cis yog qhov zoo tshaj plaws rau kev tsim kho vaj tsev rau khoom siv, tab sis qhov zoo tshaj plaws yog nyob ntawm lub warehouse cov khoom lag luam xav tau. Rau cov phaj me me nrog lub teeb cia (piv txwv, cov thawv, cov khoom me me), Q235b,} Lawv txhawb cov qauv ru tsev thauj khoom thiab lub teeb ci. Rau nruab nrab warehouses nrog hnyav cia (piv txwv li, pallets, machinery), Q345B yog qhov zoo dua: nws lub zog ua rau muaj zog ntxiv yam tsis muaj kev sib tw ntau dhau. Yog tias lub tsev rau khoom muaj cov khoom siv nyiaj siv ua haujlwm (Q345b yog qhov yuav tsum tau ua rau muaj kev thauj khoom tsis tshua muaj zog thiab tiv thaiv ntev- dag nkees nkees. Kub - rolled h tws kuj zoo tagnrho rau cov chaw tsim khoom vim tias lawv cov duab yooj yim rau kev muab, mezzanines, lossis conveyor tshuab. Ib qho ntxiv, lawv txoj kev vam meej txhais tau tias koj tuaj yeem hloov kho tus qauv (ntxiv cov kev txhawb nqa ntxiv, nthuav dav tom qab) tsis muaj teeb meem. Ntau tus neeg tsim khoom lag luam xaiv ib qho sib xyaw: Q235B rau tsis- bearing {}} bearing {} be}} beads.
Q: Cov no puas yog cov kab mob h cis haum rau kev tsim kho choj, thiab qib twg yog qhov zoo tshaj?A: Cov teeb meem ntawm h ci yog tsim nyog rau kev tsim kho choj, tshwj xeeb tshaj yog rau nruab nrab {{spur parges (piv txwv li cov choj neeg taug kev, nyob deb nroog Txoj kev txuas choj txuas ntxiv). ASTM A36 yog qhov kev xaiv zoo tshaj plaws rau choj cov dej num hauv cov cheeb tsam hauv qab cov qauv Asmeskas {5 5} Nws muaj cov neeg nkees ua hauj lwm (tseem ceeb rau kev ua kom zoo dua qub). JIS SS400 ua haujlwm zoo rau choj hauv Nyij Pooj lossis Southeast Asia, Thaum Q235B yog siv hauv Suav choj. Rau choj loj (piv txwv li, txoj kev loj hla) lossis txuas hniav nrog cov nqi hnyav, muaj zog ntxiv rau cov nqi tsim kho thiab ib puag ncig kev tsim kho. Tag nrho cov qhab nia yog kub -} muab cov tawv nqaij uas yuav tsum tau kom muaj kev tiv thaiv kom nruj (qhov kub thiab txias, cua daj cua dub, cua. Txawm li cas los xij, tus choj yuav tsum muaj kev tiv thaiv corrosion ntxiv (zoo li galvanizing) txij li lawv tau ua ntej rau lub choj {}} txoj kev xav tau durability.
Q: Qhov siab tshaj plaws ntawm no Hars tuaj yeem npog yam tsis muaj kev txhawb nqa ntxiv?A: Qhov siab tshaj plaws yog nyob ntawm qib, nqaj loj, thiab thauj khoom (tuag vs. nyob). Rau kev sib deev me me steel (Q235B, A36, SS400): ib qho me me 100 tau tuaj yeem ncua 2 {}}}}}} 3 meters (chaw nyob hauv pem teb joists); Ib 200x100mm Beam spans 4-6 meters (ua lag luam pem teb kab); Ib 300x150mm Beam Spans spans 6-8 meters (Warehouse Ruel Roofs). Rau Q345B (lub zog siab dua): ib xyoo 200x100mm Beam Spans 5-7 Metres; ib 300 x150mm Beam Spans 7-9 meters; Ib qho 400x200mm Beam nqaj Spans 9-12 metres (muaj crane nqaj). Cov lus qhia no assume cov khoom siv txheem-yog tias koj qhov project tau hnyav dua ntais (piv txwv li, kev lag luam tshuab), spans yuav luv dua. Cov kws tsim khoom siv cov qauv qhia tseeb muaj cov qauv siv, tab sis cov kev kwv yees kev pab koj xaiv cov nqaj xis loj pib. Ntxiv cov kev txhawb nqa ntxiv (xws li cov kab lus zoo lossis cov koom tes nrog) tuaj yeem txuas rau cov khoom ntxiv, tab sis nce cov khoom siv thiab cov nqi zog. Rau cov haujlwm feem ntau, xaiv lub nqaj loj uas npog koj cov lus luv nrog 10-15% kev tiv thaiv kev tiv thaiv kev nyab xeeb yog cov neeg muaj tswv yim.
Q: Puas yog cov teeb ha tw siv rau ob qho tib si sab hauv tsev thiab sab nraum zoov cov qauv?A: Yog, cov h cis ua haujlwm rau ob qho chaw sab nraud thiab sab nraum zoov yam, tab sis kev siv sab nraum zoov yuav tsum muaj kev tiv thaiv corrosion ntxiv. Nyob sab hauv tsev (piv txwv li, cov tsev nyob sab hauv, chaw ua haujlwm mezzanines), cov nqaj 'zeb teev (los ntawm kub kub) feem ntau, raws li lawv tau pov hwm los ntawm nag, daus, thiab ntsev. Rau kev siv sab nraum zoov (piv txwv, cov sab nrauv, ru tsev overhangs, cov tib si nplai zoo li cov nqaj dub (tsho tiv no yog lub nqaj hauv zinc) lossis epoxy painting. Galvanized Beams tuaj yeem ntev 20 {{{{{}} 30 xyoo sab nraum zoov, thaum pleev xim rau sab nraud xav tau re 1-10 xyoo (nyob ntawm seb huab cua). Q345B muaj me ntsis zoo dua corrosion tsis kam tshaj li cov qhab nia hlau me me (vim nws cov ntsiab lus alloy), tab sis nws tseem xav tau kev tiv thaiv sab nraud sab nraud. Kev siv nyob sab hauv tsev kuj tseem muaj txiaj ntsig los ntawm kev tu me nyuam tsawg kawg nkaus xwb yog ntxuav kom tshem cov hmoov av. Seb sab hauv tsev lossis sab nraum zoov, cov nqaj 'lub zog thiab versatility ua lawv txoj kev xaiv tau yooj yim rau ib qho qauv ntawm koj qhov project.
Teeb 3: Kev Ua & Txhim Kho
Q: Nws yooj yim npaum li cas yog nws txiav, tho, lossis khoov cov h nqaj ntawm - chaw?A: Cov teeb meem H yog yooj yim heev rau txiav, tho, lossis khoov ntawm {{rolled maub hlau (q236 / ss400) lossis qis} alloy (Q345B) muaj pes tsawg leeg. Kev txiav cov cuab yeej tsuas yog cov cuab yeej cov qauv: Portable Lub Tebchaws Gracklers nrog Hlau {}} luas discs (rau kev txiav nyiaj sai sai) lossis saws ceev (rau qhov tseeb ntev). Tsis muaj cov khoom lag luam tshwj xeeb xav tau - Txawm cov neeg ua haujlwm tsim kho nrog kev cob qhia yooj yim tuaj yeem ua nws. Drilling yog yooj yim dhau: Siab- Ceev Hlau (HSS) Tho dej yooj yim, thiab ua kom tsis txhob txias (HSS) Dabtsi yog khoov tau rau cov menyuam yaus hlau me (Q235b / A36 / SS400) siv cov kab mob me me (piv txwv li, rau cov keg ntawm cov qhov rooj me me) tsis muaj kev tawg. Q345B yog qhov nyuaj rau khoov vim nws lub zog siab dua, tab sis nws tseem tuaj yeem yog qhov zoo li ntawm qhov hnyav {24} Digarter bender. Qhov no ntawm {{{{{}} chaw ntawm lub sij hawm ua haujlwm ntev lossis ntxiv qhov rau bolts tsis tos rau lub Hoobkas hloov kho, ua kom koj lub phiaj xwm ntawm lub sijhawm.
Lus Nug: Puas no puas tuaj yeem wars ha yuav welded rau lwm cov hlau sib tshooj (zoo li nkhaus lossis kab ntawv)?A: Kiag li, cov teeb ha me no yog tsim kom yooj yim vuam rau lwm cov hlau, qhov tseem ceeb ntawm cov txheej txheem sib dhos. Q235B, A36, thiab SS400 yog cov kab mob me me nrog cov qauv vuam muag (0,5%), thiab fcaw (mig {{8} - Q345B (Tsawg {{{- alloy veel) kuj nws yuav xav tau preheating (yog tias lub nqaj yog tuab dua li 25mm) kom tsis txhob brittleness hauv thaj chaw weld. Thaum vuam mus nkhaus, kab ntawv, lossis cov qhab nia (feem ntau yog cov khoom sib koom ua ke uas siv tau cov khoom sib txuas tau zoo ib yam li welded pob qij txha rau cov qauv rigidity. Ntawm {{18 {}}}}} cov neeg ua haujlwm ntawm cov neeg ua haujlwm tsis xav tau kev cob qhia kev kawm qib siab; Cov qauv sib dhos ua ke cov txheej txheem txheej txheem ua haujlwm zoo kawg nkaus. Cia li ntxuav cov nqaj saum npoo (tshem tawm cov zeb nplai lossis xeb) ua ntej vuam ua kom muaj txiaj ntsig zoo. Qhov Weldability txhais tau tias koj tuaj yeem tsim cov txheej txheem nyuaj (piv txwv li, ntau-qib thav ntawv) nrog kev sib txuas nrog kev sib txuas nrog kev sib txuas nrog kev sib txuas nrog kev sib txuas nrog kev sib txuas nrog kev sib txuas nrog.
Q: Kuv puas xav tau cov cuab yeej tshwj xeeb lossis cov cuab yeej siv los nruab cov h nqaj?A: Koj tsis tas yuav muaj cov cuab yeej tshwj xeeb tshaj plaws - Cov khoom siv siv yooj yim txaus los txhim kho cov nqaj h. Rau Lifting: me me nqaj (100 xmoos txog 200x100mm) tuaj yeem txav nrog ib tus hoist lossis forklift me me; Cov kab mob loj dua (300x150mm +) xav tau lubile crane (ib txwm ntawm cov chaw tsim khoom). Rau kev nrawm: koj yuav xav tau lub laum (ua kom lub qhov), bolts (siab- lub zog bolts, kom nruj belts rau sab xis nro). Cov khoom siv vuam (raws li tau hais ua ntej lawm) yog xav tau yog tias koj vuam kab teeb rau kab lossis nkhaus. Rau cov kev ua kom haum: ib qib thiab kab xev ntsuas kom muaj teeb ci ncaj ncaj thiab ntawm qhov siab yog; Ib tug plumb bob pab nrog cov kab ntsug. Tsis zoo li cov kab ua ke ua ke, uas xav tau lub sijhawm ua haujlwm lossis kho lub sijhawm, cov nqaj hlau tau nruab sai- Tsis muaj cov khoom siv tshwj xeeb. Feem ntau cov pab pawg tsim kho twb muaj cov cuab yeej no, yog li koj yuav tsis raug nqi ntxiv rau cov phiaj xwm tshwj xeeb.
Q: Puas yog cov kab ke h Be tw yuav raug kho kom tau rau qee yam ntev lossis ntau thiab tsawg ua ntej xa khoom?A: Yog, peb muab tag nrho cov kev cai rau qhov ntev thiab (qee qhov xwm txheej) ntau thiab tsawg kom haum rau koj qhov kev xav tau. Rau qhov ntev: Txheem kab teeb tuaj hauv 6M, 9m, lossis 12m, tab sis peb tuaj yeem txiav lawv rau txhua qhov ntev (piv txwv li, 3.5m) ua ntej xa khoom. Qhov no txo rau ntawm -} chaw pov tseg (tsis muaj seem Rau qhov ntau thiab tsawg: thaum peb feem ntau ua raws tus qauv hla {12 xyoos), peb tuaj yeem sib koom tes nrog cov haujlwm tshwj xeeb (piv txwv li cov kev cai tsim tshwj xeeb). Kev cai sib cai yuav tsum muaj qhov kev txiav txim tsawg kawg nkaus (feem ntau {geads tsis muaj moq- kev txiav txim 1 nqaj txiav rau 4.8M yog xav tau. Customization ntxiv lub sijhawm luv luv (3-5 hnub ua haujlwm) piv rau cov kab teeb ci, tab sis peb pab neeg ua haujlwm nrawm kom tau raws li koj cov hnub kawg. Tsuas yog qhia koj qhov ntev / loj yuav tsum tau ua, thiab peb yuav muab cov lus qhia ntxaws ntxaws nrog cov sijhawm ua tiav.
Q: Puas muaj cov lus qhia kev teeb tsa kom ntseeg tau tias cov huams ua tau zoo ntev {}} lub sij hawm?A: Yog, ob peb lub tswv yim installation tseem ceeb yuav ua kom muaj ntev - sij hawm ua haujlwm. Ua ntej, ib txwm ua kom haum kab ciav hlau kom raug: Siv theem kom paub tseeb tias lawv tau kab rov tav) {{l} hnav kev faib tawm thiab hnav thaum ntxov. Qhov thib ob, ua kom nrawm bolts kom nruj nrog lub torque cov ciaj ntswj (raws li cov chaw tsim khoom lag luam) {{8} · xoob bolts ua rau kev txav thiab suab nrov. Thib peb, rau sab nraum zoov teeb tsa, thov kev tiv thaiv corrosies (galvanizing corrosizing / pleev xim) ua ntej kev teeb tsa (tsis yog tom qab) los npog txhua qhov chaw, suav nrog kev txiav cov npoo. Plaub, txhawb nqa cov ntses ntev ntev: txawm tias tus nqaj tuaj yeem ua ntev 6 metres, ntxiv cov kab nruab nrab lossis joist txo nws lifespan. Thib tsib, tshuaj xyuas Welsds tom qab kev teeb tsa: Kos rau Fackage Fusion-}}}}}}}}} Nrhiav qhov teeb meem tam sim ntawd kom tiv thaiv cov teeb meem tam sim ntawd. Thaum kawg, zam dhau ntawm lub nqaj dhau qhov muaj peev xwm tsim nyog (sab laj rau koj tus kws tshaj lij lub nra) {}}, tshuab hnyav) tuaj yeem ua rau muaj kev tiv thaiv ntxiv. Ua raws li cov lus qhia no yuav ua kom koj cov nqaj muaj zog thiab ruaj khov rau xyoo lawm.
