Steel grating yog dab tsi?
Hlau gratingyog ib qho qhib -cov qauv hlau tsim los ntawm kev sib xyaw ua ke ntawm cov khoom thauj-cov kabmob tiaj tus thiab cov hlaws, teem caij tshwj xeeb thiab ruaj ntseg ntawm vuam lossis nias- xauv. Cov crossbars feem ntau muaj xws li twisted square steel, txawm tias cov hlau puag ncig lossis cov hlau tiaj tus kuj tseem siv tau; Cov khoom muaj pes tsawg leeg yog cais ua carbon steel thiab stainless hlau.
Cov hlau grating feem ntau yog tsim los ntawm cov pa roj carbon steel thiab ua tiav nrog kub -dip galvanized nto kho, uas ua haujlwm tiv thaiv oxidation. Xwb, nws tuaj yeem tsim los ntawm stainless hlau. Steel grating muaj ntau yam kev ua tau zoo, nrog rau kev ua pa zoo, lub teeb pom kev zoo, cua sov dissipation, plam tsis kam, thiab tawg tsis kam.
Lub luag hauj lwm ntawm kub-dip galvanizing txheej txheem qhov yog feem ntau cuam tshuam nyob rau hauv peb yam: kev ruaj ntseg, lav zoo, thiab ntau lawm efficiency:
Ua kom muaj kev ruaj ntseg ntau lawm: Tiv thaiv kev tawg tshwm sim los ntawm cov pa nthuav dav hauv qhov chaw kaw. Rau cov khoom ntim los yog hollow (xws li cov kav hlau, lub thawv lub cev), thaum muab tso rau hauv zinc kua ntawm li 440 degree, huab cua sab hauv thiab noo noo nthuav dav heev vim cua sov. Yog tias lawv tsis tuaj yeem tso tawm, cov khoom yuav tawg. Cov txheej txheem qhov tso cai rau lub sijhawm tso tawm thiab txo qis kom tsis txhob muaj kev nyab xeeb.
Guarantee txheej zoo: Ua kom muaj kev sib cuag ntawm cov kua zinc thiab cov khoom ua haujlwm kom tsis txhob plating, sagging, lossis zinc qog. Lub qhov cua qhov (ntawm qhov siab tshaj plaws) thiab ntws qhov (ntawm qhov qis tshaj) ua kom cov dej ntws zoo ntawm zinc, kom ntseeg tau tias muaj cov txheej txheem sib xws thiab ua tiav galvanized txheej ntawm ob sab hauv thiab sab nraud. Nyob rau tib lub sij hawm, residual pickling tov yog tawm los tiv thaiv corrosion ntawm txheej.
Txhim kho ntau lawm efficiency: Txo cov zinc kua khib nyiab thiab cov nqi tu. Cov txheej txheem qhov ua rau cov kua zinc ntws rov qab sai sai, txo cov zinc noj thiab ua haujlwm ntawm kev tshem tawm cov zinc ntau dhau hauv cov txheej txheem tom ntej, yog li txhim kho kev tsim khoom.
Cov txheej txheem qhov yuav tsum tau teem rau ntawm qhov siab tshaj plaws (rau tso tawm) thiab qhov qis tshaj plaws (rau cov kua dej) raws li cov lus qhia tshwj xeeb, nrog ib txoj kab uas hla feem ntau ntau dua lossis sib npaug li 15 hli kom ntseeg tau tias cov pa roj thiab cov kua dej dawb. Lawv yog qhov txuas tseem ceeb hauv kev nyab xeeb thiab zoo ntawm kub -dip galvanizing.
Txoj hauj lwm ntawm kub -dip galvanizing txheej txheem qhov yuav tsum xyuas kom meej tias cov flux thiab zinc kua tuaj yeem ua tau zoo, tsis txhob muaj kev nyab xeeb tshwm sim los ntawm thermal expansion ntawm huab cua los yog kua hauv qhov chaw kaw, thiab lav qhov sib xws thiab ua tiav txheej. Cov kev cai tshwj xeeb rau cov khoom sib txawv yog raws li hauv qab no:
I. Cov Ntsiab Cai
Xaiv txoj haujlwm: Teem rau ntawm qhov chaw siab tshaj (rau qhov tso pa tawm) thiab qhov qis tshaj plaws (rau cov kua dej) ntawm lub workpiece thaum kub -dip galvanizing. Tsis txhob teeb tsa ntawm qhov nruab nrab ntawm lub ntsej muag kawg lossis nruab nrab ntawm qhov ntev; prioritize cov npoo thiab cov pob qij txha. Rau qhov txuas hollow qhov chaw, qhov yuav tsum tau teem ze ntawm cov pob qij txha kom ntseeg tau tias sab hauv patency.
Qhov yuav tsum tau muaj: Qhov txoj kab uas hla feem ntau yog ntau dua lossis sib npaug rau Φ15mm, thiab txoj kab uas hla ntawm qhov dai yog Ntau dua lossis sib npaug rau Φ8mm.
II. Txheej Txheem Qhov Chaw rau Tej Cheebtsam
Base ncej txhawb:
Chamfer lub kaum sab xis ntawm lub phaj txhawb nqa nrog C20 (thaum chamfering tsis yooj yim, teeb lub Φ15mm ntws qhov ze ntawm lub ces kaum, nrog tus lej sib npaug ntawm cov ces kaum).
Flange stiffener:
Thickness t < 14mm (t < 16mm rau Q235B): Qhov kev ncua deb ntawm lub qhov ntug mus rau qhov vuam ntug yog 2 ~ 3 hli;
Thickness t Ntau dua lossis sib npaug li 14 hli (t Ntau dua lossis sib npaug li 16 hli rau Q235B): Qhib lub voj voog ncig, nrog lub vojvoog R hloov kho raws li lub thickness ntawm cov phaj nyias (piv txwv li, R=25mm thaum h < 14mm, R=(T+8}) ~ L / 3 thaum lub qhov siab yog L / 3, qhov ntev yog L / 3.
Steel yeeb nkab kawg phaj Cheebtsam:
Ib qho kawg phaj: Teem 2 qhov qhov ntawm lub phaj kawg, 180℃los ntawm qhov nqa taw tes, nrog lub qhov ntug 5 hli los ntawm cov yeeb nkab steel ntug;
Ob chav kawg daim hlau: tuaj yeem siv cov kev hloov kho, qhov loj (5 hli ntawm lub qhov ntug), qhov dej ntws (sau tom qab galvanizing), lossis xa ntawv -galvanizing welded kawg daim hlau (raws li kev pom zoo tsim).
Ncej kab:
Sab saum toj phaj: Qhov nruab nrab ntawm lub qhov cua yog 30mm los ntawm vuam phaj ntug thiab 20mm los ntawm cov phab ntsa sab hauv ntawm cov yeeb nkab steel;
Nruab nrab kab rov tav yeeb nkab (seaamless yeeb nkab): Qhib φ qhov nce, nqis, sab laug, thiab sab xis 25 hli ntawm cov yeeb nkab loj, thiab muab khi rau tom qab galvanizing;
Txhawb cov yeeb nkab kab rov tav: Qhib qhov qhov 25 hli ntawm cov yeeb nkab loj ntawm sab saud, thiab muab khi rau lawv tom qab galvanizing.
Arc stiffener:
Thaum qhov dav L Tsawg dua lossis sib npaug li 80mm lossis> 80mm, qhov kev ncua deb ntawm lub qhov ntug mus rau qhov vuam yog 1 ~ 5mm.
III. Cov ntsiab lus tseem ceeb ntawm kev nyab xeeb thiab zoo
Tiv thaiv kev tawg los ntawm cov pa nthuav dav hauv qhov chaw kaw, xyuas kom muaj kev sib cuag tag nrho ntawm cov kua zinc thiab qhov chaw, thiab tsis txhob plating;
Yog tias tus qauv tsim tsis tau raws li qhov yuav tsum tau ua, kev hloov kho tuaj yeem ua tau tsuas yog tom qab tau txais kev pom zoo tsim. Tom qab galvanizing, muab khi raws li qhov yuav tsum tau ua (xws li nrog polyurethane roj hmab plugs, zinc blocks) thiab ua los tiv thaiv - kev kho corrosion.
FAQs
Q: Cov ntaub ntawv dab tsi feem ntau siv rau steel grating?
A: Hlau grating feem ntau yog ua los ntawm cov hlau (Q235B) nrog kub -dip galvanized nto kho rau corrosion kuj. Stainless hlau (304/316) thiab aluminium alloy kuj muaj rau cov ntawv thov uas yuav tsum tau muaj kev tiv thaiv corrosion, xws li cov nroj tsuag tshuaj los yog cov chaw ntug dej hiav txwv.
Q: Dab tsi yog cov ntawv thov tseem ceeb ntawm steel grating?
A: Nws yog dav siv raws li txoj kev taug kev, platform pem teb, stair treads, ntws npog, trench grates, thiab laj kab kev nyab xeeb hauv cov nroj tsuag, fais fab nroj tsuag, cov dej phwj tuaj kho, chaw nres nkoj, thiab cov phiaj xwm hauv nroog.
Q: Dab tsi yog qhov zoo ntawm kub-dip galvanized steel grating?
A: Kub-dip galvanized steel grating muaj kev tiv thaiv corrosion zoo heev, lub neej ua haujlwm ntev (txog 20+} xyoo nyob rau sab nraum zoov), lub zog muaj zog, qhov cua zoo thiab tiv thaiv - cov khoom plam, thiab yooj yim rau nruab thiab tswj.
Q: Kuv yuav xaiv qhov zoo steel grating specifications li cas?
A: Koj yuav tsum xav txog kev thauj khoom -cov kev cai (cov neeg taug kev, tsheb, lossis cov cuab yeej hnyav), ncua ntev, tiv thaiv- cov kev xav tau plam, thiab ib puag ncig (qib corrosion, kub). Cov lus qhia tshwj xeeb suav nrog 30 × 3mm lossis 40 × 3mm bearing tuav nrog pitches ntawm 30/40/60mm.
Q: Cov hlau grating puas tuaj yeem hloov kho rau cov haujlwm tshwj xeeb?
A: Yog lawm, cov tuam ntxhab feem ntau muab cov kev pabcuam customized raws li qhov yuav tsum tau ua, suav nrog ntau qhov ntau thiab tsawg, cov duab, kev ntsuas kev thauj khoom, kev kho deg (galvanized, pleev xim rau, stainless hlau), thiab cov qauv tshwj xeeb xws li tiv thaiv - cov kab serrated los yog kev cai txiav.