GB 43 kg/m Rail yog dab tsi
Lub GB 43 kg / m rail yog kub - dov steel rail ua rau Suav teb hnyav - rail standard series, hais los ntawm cov profile drawings ntawm GB 2585 tsev neeg thiab cov kev txiav txim tej yam kev mob ntawm TB/T 2344. Lub npe yog hais txog ib tug nominal pawg ntawm 43 kg ib meter, tab sis qhov tseeb seem 5 yog li ntawm 4 kg / m. quoting, logistics thiab pw tsaug zog -spacing xam yuav tsum siv tus nqi tiag tiag. Tshooj zaum ntawm lub teeb kawg ntawm qhov hnyav- tsev neeg tsheb ciav hlau, qis dua 50 kg / m thiab 60 kg / m rails siv rau ntawm cov kab tseem ceeb, thiab raug xaiv rau qis - cov kab ceev nrog rau nruab nrab tonnage qhov sib dua profile khaws cov khoom siv thiab cov nqi tsheb thauj mus los.
Hla -Section Dimensions
| Parameter | Tus nqi |
|---|---|
| Nominal loj | 43kg/m² |
| Qhov tseeb linear loj | 44,653 kg/m² |
| Rail qhov siab | 140 hli |
| Base (hauv qab) dav | 114 hli |
| Lub taub hau dav | 70 hli |
| Web thickness | 14.5mm 3 |
| Hom kev xa khoom ntev | 12,5 m; 25 m ntawm kev thov |
Tshooj I-zoo li tus ntoo khaub lig- yog dov rau hauv ib thooj. Lub taub hau profile muab lub log sib tiv tauj band, lub vev xaib nqa txoj kab ntsug ntawm lub taub hau thiab lub hauv paus, thiab lub hauv paus dav nthuav dav cov khoom thauj mus rau hauv lub tsheb ciav hlau thiab cov pw tsaug zog. Vim hais tias cov seem me dua lub ntsiab - kab rails, nws yog ib txwm nteg nrog matched 43 kg / m fishplates thiab plaub - bolt pob qij txha ntawm kev sib koom ua ke, los yog flash- pob tw thiab aluminothermic welded nyob rau hauv lub vaj thiab muaj tsis tu ncua welded rail.
Khoom siv thiab ntau lawm
43 kg / m rails yog kub dov los ntawm nruab nrab -manganese rail hlau, feem ntau U71Mn, nrog rau cov tshuaj lom neeg muaj pes tsawg leeg thiab cov cuab yeej cuab tam kuaj xyuas los ntawm kev txiav txim siab. Cov kauj ruam ntau lawm yog steelmaking thiab nruam casting, tawg reheating, kub dov ntawm qhov profile, tswj cua txias kom tsis txhob flaking, roller straightening, thiab kawg qhov punching qhov twg fishplate pob qij txha tau teev. Txhua lub tshav kub muab cov ntawv pov thawj zeb nrog ladle tsom, lub zog tensile, hardness thiab elongation tau. Cov neeg yuav khoom yuav tsum paub meej tias cov ntaub ntawv pov thawj nrog rau txhua qhov ntau, vim tias kev tsheb ciav hlau tsis tuaj yeem raug txheeb xyuas los ntawm qhov ntsuas qhov ntsuas ib leeg.
Daim ntawv thov Scenario
Lub teeb railway ceg kab thiab lub regional freight spurs nrog qag loads hauv qab no 20 t thiab speeds hauv qab no 80 km / h.
Mining, chaw txua txiag zeb thiab cov cement- cog kev thauj mus los uas cov tsheb thauj mus los ntau zaus thiab cov nqi tsheb ciav hlau tseem ceeb.
Chaw nres nkoj yards, thawv terminals thiab transshipment cheeb tsam nrog nruab nrab log loads.
Kev tsim kho ib ntus, qhov chaw ua haujlwm rails thiab kev saib xyuas - ntawm - txoj kev sab.
Forestry thiab industrial railways nyob rau hauv qis - kev sib tw tsheb.
Xaiv Ntawm 43 kg / m thiab Heavier Rails
Txoj cai xaiv yog load-raws li. Rau lub ntsiab - kab tsheb nrog 25 t qag loads thiab ceev tshaj 100 km / h, yuav tsum muaj 50 kg / m lossis 60 kg / m rail; seem 43 kg / m yog txwv rau cov kab uas ob qho tib si qag load thiab cumulative tonnage yog nruab nrab. Thaum tonnage loj hlob, kev txiav txim siab nyiaj txiag feem ntau yog hloov mus rau 50 kg / m es tsis yog txhawm rau txhawm rau tshuaj xyuas cov ntu qis. Lub 43 kg / m rail kuj yog tus qauv kev xaiv rau relaying luv industrial seem sai, vim hais tias nws yog sib dua los lis thiab yuav tsum tau me me fishplates thiab fasteners, uas txo tag nrho cov nqi ntsia.
Cov lus nug nquag
Q1: Puas yog 43 kg / m rail yog lub teeb rail lossis lub tsheb hnyav?
Nws belongs rau qhov hnyav -rail tsev neeg ntawm cov qauv seem, tab sis zaum ntawm nws lub teeb kawg. Lub teeb rails them los ntawm GB / T 11264 mus txog li 30 kg / m; los ntawm 38 mus rau 75 kg / m cov seem ua raws li hnyav -rail profile tsev neeg ntawm GB 2585 series.
Q2: Dab tsi fishplates thiab fasteners haum rau 43 kg / m rail?
Matched 43 kg / m fishplates nrog plaub lub qhov ntsia hlau, ua ke nrog cov ntses bolts, ntsia hlau spikes los yog elastic clip systems tsim rau 114 mm puag dav. Cov khoom sib xyaw yuav tsum raug txiav txim kom phim cov seem no, tsis yog 50 kg / m seem.
Q3: 43 kg / m rails puas tau welded?
Yog lawm. Flash taub qab vuam yog siv rau hauv cov nroj tsuag ruaj khov, thiab aluminothermic vuam yog qhov ua tau zoo rau kev kaw qhov chaw. Qhov qis carbon sib npaug ntawm ntu ua rau vuam ncaj, tab sis tib lub preheat thiab ncej-weld soj ntsuam cov cai siv.
Q4: Tus qauv xa khoom ntev yog dab tsi?
12.5 m yog tus qauv ntev rau ntu no, uas haum rau kev sib koom ua ke taug qab geometry . 25 m ntev tuaj yeem muab tau rau kev txuas txuas txuas txuas txuas rau qhov chaw thauj khoom.
Q5: Dab tsi yuav tsum tau soj ntsuam thaum lub tsheb ciav hlau tuaj txog ntawm qhov chaw?
Txheeb xyuas qhov ncaj thiab ntswj, txheeb xyuas lub taub hau, lub hauv paus thiab lub vev xaib qhov ntev tiv thaiv qhov profile duab, nrhiav qhov chaw tsis xws luag xws li laps, seams thiab qhov kawg tawg, thiab paub meej tias daim ntawv pov thawj zeb sib tw cov lej kub stamped ntawm txoj kev tsheb ciav hlau.