Cov Lus Qhia Rau Kev Siv Cast Steel Cheebtsam hauv Rail Transit

Kev xaiv cov khoom siv thiab cov khoom siv
Rail transit cam khwb cia hlau Cheebtsam feem ntau muaj xws li grey cam khwb cia hlau (xws li HT200, HT250, HT300) thiab ductile cam khwb cia hlau (xws li QT450, QT500, QT600, QT700). Vim nws zoo hnav tsis kam thiab me deformation, ductile cam khwb cia hlau yog nce siv nyob rau hauv cov xwm txheej uas yuav tsum tau zoo dua.

High - lub zog cam khwb cia hlau (xws li HT200-300) feem ntau muaj qhov ua haujlwm nyuaj ntawm HB170-240. Tom qab dag annealing (600-700 degree) thiab ntuj aging (2-3 xyoos), nws tuaj yeem ua kom muaj qhov tseeb ruaj khov thiab hnav tsis kam.

Installation Techniques thiab Precision Control
Lub installation ntawm cam khwb cia hlau av rails (xws li T- qhov chaw hauv av) yuav tsum ua raws li cov txheej txheem nruj kom paub meej.

Kev kho thiab kho lub hauv paus: Cov tsheb ciav hlau hauv qab yuav tsum ua tib zoo ua raws li hauv av kom tiv thaiv kev khoov deformation hauv qab thauj khoom los ntawm qhov khoob. Thaum kho, M8 hlau nthuav dav bolts lossis cov ntsia hlau tua tuaj yeem ruaj khov ntawm qhov ntev ntawm li 500-700mm ntawm sab hauv ntawm txoj kev tsheb ciav hlau.

Leveling thiab Grouting: Siv strips -zoo li tus choj daim hlau thiab qib ntsuj plig mus rau thawj theem ib txoj kev tsheb ciav hlau hauv av raws li kev siv, tom qab ntawd ua qhov kev hloov pauv thawj zaug. Tom qab ntawd, ua cov cement grouting, thiab ua kev kho kom zoo thiab tshuaj xyuas tom qab kho.

Precision Standards: Tom qab installation, kab rov tav sib txawv nyob rau hauv ib qho ntev ntawm 1m yuav tsum tsis txhob ntau tshaj 1mm, thiab tag nrho ntev deviation yuav tsum tsis txhob ntau tshaj 2 hli; Kab rov tav sib txawv ntawm cov ntsiab lus sib txuas ntawm cov ntsia hlau yuav tsum tsis pub tshaj 1 hli, thiab qhov sib txawv ntawm qhov sib txawv ntawm ob txoj hlua yuav tsum tsawg dua 2 hli.

Embedding Depth: Qhov tob tob ntawm cov av rail yuav tsum yog theem nrog lossis me ntsis 3-5mm siab dua li txheej txheej kho kom zoo nkauj.