Kev tsim cov txheej txheem ntawm daim ntawv piling tuav phab ntsa
Raw khoom npaj
Kev xaiv hlau: Cov ntawv hlau feem ntau siv lub zog siab, corrosion-resistant steel li raw khoom. Cov hom hlau feem ntau suav nrog cov hlau tsis tshua muaj hlau, cov hlau tsis tshua muaj hlau, thiab lwm yam.
Txiav: Raws li kev tsim qauv, cov hlau raug txiav rau hauv daim hlau ntawm qhov xav tau loj thiab cov duab.
Kev kho cua sov
Preheating: Cov hlau txiav yog preheated rau qhov kub thiab txias haum rau kev ua. Preheating tuaj yeem txo qhov kev ntxhov siab thiab deformation ntawm cov hlau hauv kev ua haujlwm tom ntej.
tsim
Rolling: Cov hlau preheated yog dov mus rau hauv qhov yuav tsum tau ua ntu ntu los ntawm lub tshuab dov. Feem ntau cov duab sib dhos muaj xws li U-puab, Z-puab thiab H-puab.
Txias dabtsi yog khoov: Rau qee cov duab tshwj xeeb ntawm cov ntawv hlau piling, lawv tuaj yeem tsim los ntawm kev khoov txias. Kev khoov txias yog khoov cov hlau rau hauv cov duab los ntawm kev siv tshuab siab ntawm chav tsev kub.
Vuam
Welded pob qij txha: Yog tias daim ntawv pawg phab ntsa xav tau ntev dua, nws tuaj yeem ua tiav los ntawm kev vuam ntau qhov luv ntawm cov ntawv steel pawg. Qhov zoo ntawm cov vuam yuav tsum tau ua kom ntseeg tau thaum lub sij hawm vuam txheej txheem los xyuas kom meej tag nrho lub zog thiab ruaj khov ntawm cov hlau ntawv pawg.
Weld kev kho mob: Tom qab vuam, cov vuam yog polished, ntxuav thiab tshuaj xyuas kom ntseeg tau tias tsis muaj qhov tsis xws luag.
Kev kho saum npoo
Kev tshem tawm xeb: Tshem tawm oxides thiab impurities ntawm qhov chaw ntawm steel piling los ntawm sandblasting, pickling, thiab lwm yam.
Anti-corrosion kev kho mob: Yuav kom txhim kho corrosion kuj ntawm daim ntawv piling tuav phab ntsa, nws nto feem ntau yog galvanized, pleev xim rau los yog sprayed nrog anti-corrosion txheej.
Kev tshuaj xyuas thiab kev sim
Dimension soj ntsuam: xyuas seb qhov luaj li cas ntawm cov ntawv hlau phab ntsa ua tau raws li cov qauv tsim.
Kev ntsuas cov cuab yeej cuab tam: Los ntawm kev ntsuas tensile, kev sim khoov thiab lwm txoj hauv kev, xyuas seb cov khoom siv hluav taws xob puas ua tau raws li cov qauv.
Kev tshuaj xyuas qhov tshwm sim: Tshawb xyuas seb puas muaj cov kab nrib pleb, dents lossis lwm yam tsis xws luag ntawm cov nplooj ntawv steel.
Kev kho mob tshwj xeeb
Pre-drilling: Rau qee qhov kev siv tshwj xeeb, tej zaum yuav tsim nyog rau kev xyaum ua ntej ntawm cov ntawv hlau los pab txhawb kev teeb tsa ntawm lwm cov khoom sib txuas lossis cov khoom sib txuas.
Kev ua raws li kev cai: Raws li qhov yuav tsum tau ua, qee qhov kev ua haujlwm tshwj xeeb kuj yuav tsum tau, xws li txiav cov duab tshwj xeeb, ntxiv cov hlua khi, thiab lwm yam.
