A hlau railyog ib tug engineered steel profile uas ua hauj lwm raws li tus thawj interface ntawm dov Tshuag thiab khiav, kom muaj kev ruaj ntseg, stability, thiab durability nyob rau hauv railway los yog industrial thauj systems. Nws cross-sectional designs balances load distribution, bending resistance, and wear performance.GNEE RAILmuab rails nyob rau hauv tag nrho cov thoob ntiaj teb kev lees paub cov qauv, suav nrog lub teeb thiab hnyav GB rails, UIC50–UIC60, DIN536 A55–A120, JIS CR73/CR100, QU70–QU120, AS{9}}–89 kg, BS11:1985, thiab AREMA, 1chining, 2 thiab AREMA / ASCE 2. ua ntej- kev pabcuam sib dhos.
Muaj pes tsawg hom rails muaj?
Muaj peb yam tseem ceeb, ib txwm siv ntawm kev tsheb ciav hlau rail seem: Pav ca -footed (Vignoles), Bull-headed, thiab Ob chav -headed rails. Cov kev tsheb ciav hlau niaj hnub no feem ntau siv cov pav ca- ko taw rails, uas suav txog li 90% ntawm kev taug kev thoob ntiaj teb vim lawv ruaj khov thiab yooj yim ntawm kev teeb tsa. Lwm hom muaj xws li tshwj xeeb crane, grooved, thiab conductor rails.
Yam tseem ceeb ntawm Rail Sections:
- Pav ca-footed Rails: Tus qauv hauv niaj hnub, siab - nrawm, thiab hnyav- tsheb thauj mus los, lawv muaj lub hauv paus dav rau kev nrawm nrawm rau cov neeg pw tsaug zog.
- Bull-headed Rails: Ua lub taub hau tuab dua, muaj zog dua lub taub hau tsim los rau kev hnav zoo dua, feem ntau siv rau hauv cov laus, tshwj xeeb lem lossis cov ntsiab lus thiab hla.
- Muab ob npaug rau- taub hau Rails: Ib qho qauv qub nrog zoo tib yam sab saum toj thiab hauv qab, npaj kom rov qab, tab sis tsis tshua siv tam sim no vim muaj teeb meem kev saib xyuas.
Lwm yam Rail Classifications:
- Crane Rails: Tshwj xeeb tsim rau hnyav- lub luag haujlwm nqa, suav nrog DIN thiab American crane ntsia.
- Grooved Rails: Siv dav rau tramways thiab txoj kev -khiav tsheb ciav hlau.
- Kev Ua Rails: Siv los muab hluav taws xob, feem ntau pom nyob rau hauv subway systems
Yuav ua li cas xaiv txoj cai steel rail?
Xaiv txoj kev tsheb ciav hlau zoo yuav tsum tau sib piv cov tsheb ciav hlau qhov hnyav, cov khoom siv, thiab qhov profile rau cov tsheb thauj khoom tshwj xeeb, ceev, thiab ib puag ncig. Cov yam tseem ceeb muaj xws li xaiv qhov hnyav - lub luag haujlwm rails (piv txwv li, 60kg / m lossis siab dua) rau siab -ceev / hnyav- cov kab tsheb thiab cov hlua sib dua rau kev siv, ua kom muaj zog txaus, kav ntev, thiab ua raws li cov qauv xws li AREA, BS, lossis UIC.
Txiav txim siab Load thiab tsheb yuav tsum
- Axle Load & Density:High - tsheb khiav ceev thiab hnyav qag loads (piv txwv li, freight) yuav tsum tau hnyav rails (60kg / m, 75kg / m) los tiv thaiv cov yam ntxwv tsis ua hauj lwm thiab deformation.
- Ceev:Kev sib tw ceev dua yuav tsum muaj qhov hnyav dua, du dua rail seem (piv txwv li, 60kg / m thiab siab dua) kom ruaj khov thiab nyab xeeb.
- Rail Luj (kg / m):Cov hom muaj xws li los ntawm lub teeb rails (9-22kg / m rau mining / Factories) mus rau hnyav rails (50kg / m, 60kg / m, 75kg / m rau mainlines).
Txheeb xyuas Environmental Conditions
- Kub: Hauv cov huab cua txias, xaiv cov ntsia hlau uas muaj cov pob txha tawg siab kom tiv thaiv kev ua tsis tiav.
- Corrosion: Nyob rau hauv ntug dej hiav txwv los yog kev lag luam, tshuaj lom neeg -ib puag ncig hnyav, siv corrosion-cov hlau tsis muaj zog los yog txheej txheej los tiv thaiv xeb.
- Curvature: Tight curves (R<800m) require specialized, wear-resistant, high-strength steel to handle increased lateral forces.
Xaiv cov khoom siv thiab Profile Standards
- Steel Qib & Hardness:Xaiv raws li lub zog thiab hnav tsis kam. Lub hardness siab dua (piv txwv li, R350HT) yog qhov zoo dua rau qhov hnyav -haul, thaum softer steel yuav xav tau rau cov ntawv tshwj xeeb, yoog raws, lossis siab - cov ntawv siv tawv.
- Qauv:Xyuas kom cov tsheb ciav hlau sib tw hauv zos lossis qhov project- cov qauv tshwj xeeb (piv txwv li, AREMA, BS, UIC, JIS) kom ntseeg tau tias muaj kev sib raug zoo nrog cov txheej txheem fastening thiab pw tsaug zog.
| Txuj | Sepc. | Khoom Qib Qib |
| UIC860 | UAS 54 | 700,900A,900B |
| UAS 60 | ||
| EN13674.1 | 5.00E+02 | R200, R350HT, R260Mn, R35LHT, R320Cr, R370CrHT |
| 5.40E+02 | ||
| 6.00E+02 | ||
| 6.00E+03 | ||
| IB 11-1985 | BS80A | 700,900A,900B |
| BS 90 A | ||
| BS100A | ||
| AREMA | 115 RA | SS, HH, LA, IH |
| 136 ROJ | ||
| UAS 60 | ua 71mn | |
| TIAB SA 85 | ua 71mn | |
| GB 2585-2007 | 50kg / m | ua 71mn |
| 60kg / m | U75V | |
| 75kg / m | ||
| TB/T2344-2012 | 50kg / m | U71Mn, U75V, U77MnCr |
| 60kg / m | ua 78crv | |
| 75kg / m | ||
| GB 11264-1989 | 8 kg/m | Q235 |
| 12kg / m | Q235 | |
| 15kg / m | 55Q, Q235 | |
| 18kg / m | 55Q, Q235 | |
| 22 kg / m | 55Q, Q235 | |
| 24kg / m | 55Q, Q235 | |
| 30kg / m | 55Q, Q235 | |
| 38kg / m | 50mn, ua 71 | |
| 43kg / m | 50mn, ua 71 | |
| GB Crane Rail | qw 70 | ua 71mn |
| qw 80 | ua 71mn | |
| QU 100 | ua 71mn | |
| qw 120 | ua 71mn |
Kev Ua Tau Zoo
- Hnav Resistance & Toughness:Lub tsheb ciav hlau yuav tsum sib npaug hardness (rau hnav) thiab toughness (kom tsis txhob brittle fractures).
- Weldability:Rau cov ntawv thov txuas ntxiv Welded Rail (CWR), txoj kev tsheb ciav hlau yuav tsum muaj kev sib txuas zoo los txo cov pob qij txha thiab kev saib xyuas.
Txij xyoo 2008,GNEE RAILtau muab steel rails ntawm cov qib sib txawv rau ntau tshaj 18 xyoo, steel rails los ntawm GNEE yog heev recommened nyob rau hauv Tuam Tshoj thiab txawv teb chaws.Wtih txiav ntug khoom, GNEE ua tau zoo steel rails uas tau raws li cov kev cai ntawm feem ntau lub teb chaws. Standard rail, lub taub hau hardened rail, hnyav rail, lub teeb rail, crane rail thiab lwm yam yog tag nrho cov muaj nyob ntawm no, raws li ib tug ntawm cov Tuam Tshoj lub ntsiab rail tsum, GNEE RAIL tau ua hauj lwm rau muab kev lag luam ntsuab railway khoom thoob plaws lub ntiaj teb no.