Txawv Teb Chaws Standard Rail Cross-Section Profile Adaptation Technology thiab Compatibility Solutions rau txawv teb chaws Railway Kab

Jan 13, 2026 Tso lus

Txawv Teb Chaws Standard Rail Cross-Section Profile Adaptation Technology thiab Compatibility Solutions rau txawv teb chaws Railway Kab

 

Dab tsi yog qhov cross-sectional profile qhov sib txawv thiab hloov cov ntsiab lus ntawm European UIC60 rails thiab American AREMA rails?

Tus ntoo khaub lig-sectional profile sib txawv ntawm European UIC60 rails thiab American AREMA rails yog feem ntau cuam tshuam nyob rau hauv peb lub ntsiab tsis: rail lub taub hau dav, rail web thickness thiab rail puag dav. rail lub taub hau dav ntawm UIC60 rail yog 72 hli, rail web thickness yog 16.5 hli, thiab rail puag dav yog 150 hli. Tus ntoo khaub lig-sectional tsim tsom mus rau kev txhim kho qhov khoov nruj ntawm txoj kev tsheb ciav hlau, haum rau siab -cov neeg caij tsheb ceev hauv Europe; rail lub taub hau dav ntawm AREMA rail yog 79mm, rail web thickness yog 14.3mm, thiab rail base width yog 171mm. Tus ntoo khaub lig-sectional tsim tsom mus rau qhov chaw sib cuag nrog cov neeg pw tsaug zog, haum rau hnyav- cov kab tsheb thauj khoom hauv Tebchaws Meskas. Thaum hloov mus rau cov kab nyob sab Europe, nws yuav tsum tau kho cov dov tuag kom nruj raws li UIC860 tus qauv kom paub meej tias tus ntoo khaub lig-sectional parameter deviation tsawg dua lossis sib npaug li ± 0.3mm, thiab tib lub sijhawm, polish lub taub hau ntawm lub taub hau kom paub meej tias qhov sib txawv ntawm flatness tsawg dua los yog sib npaug li 0.2mm. Thaum hloov mus rau Asmeskas kab, nws yog ib qho tsim nyog yuav tsum tau kho qhov dav ntawm txoj kab dav ntawm qhov dov tuag mus rau 171mm thiab lub taub hau dav dav mus rau 79mm, thiab ua kom zoo dua qhov kev hloov pauv ntawm lub vev xaib tsheb ciav hlau kom txo tau qhov kev ntxhov siab ntau ntxiv thiab ua tau raws li qhov xav tau ntawm American hnyav- cov kab.

 

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Dab tsi yog cov txheej txheem kev sim thiab kev tswj xyuas qhov tseeb ntawm tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails?

Qhov kev sim ntawm tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails txais 3D laser scanning tshuab, thiab cov khoom tseem ceeb yog ib tug rail cross -section scanner. Thaum lub sij hawm xeem, lub scanner txav mus raws txoj kev tsheb ciav hlau ntev ntawm qhov ceev ntawm 50mm / s los sau cov ntoo khaub lig- cov ntaub ntawv ntu ntu hauv lub sijhawm. Cov ntaub ntawv khaws tseg yuav tsum tau muab piv nrog tus qauv ntoo khaub lig-sectional profile ntawm lub teb chaws lub hom phiaj los xam tus nqi sib txawv ntawm txhua qhov parameter. Qhov sib txawv ntawm txoj kev tsheb ciav hlau lub taub hau dav, rail web thickness thiab rail puag dav yuav tsum tsawg tshaj li los yog sib npaug rau ± 0.3 hli, thiab qhov sib txawv ntawm rail head arc radius yuav tsum tsawg tshaj li los yog sib npaug rau ± 0.5 hli. Muaj peb lub ntsiab lus tswj xyuas qhov tseeb: ua ntej, lub tshuab luam ntawv yuav tsum tau ntsuas ua ntej ntsuas, siv tus qauv ntoo khaub lig-sectional template rau calibration kom paub meej tias qhov ntsuas qhov tseeb ntawm lub scanner tsawg dua lossis sib npaug li 0.05mm; thib ob, thaum lub sij hawm sim, qhov sib txawv ntawm txoj kev tsheb ciav hlau yuav tsum raug xaiv rau kev soj ntsuam kuaj, thiab peb tus ntoo khaub lig- ntu ntawm lub taub hau, nruab nrab thiab tus Tsov tus tw ntawm txhua txoj kev tsheb ciav hlau yuav tsum raug xaiv kom tsis txhob muaj qhov sib txawv hauv zos cuam tshuam rau tag nrho kev txiav txim; thib peb, cov ntaub ntawv xeem yuav tsum tau soj ntsuam los ntawm cov kws tshaj lij software kom tau txais ib daim ntawv qhia kev sib txawv thiab kos rau ntau tshaj - qhov kam rau ua rau kev hloov kho tom ntej.

 

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Dab tsi yog cov ntsiab lus tsim ntawm dov tuag rau tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails?

Kev tsim cov rolling tuag rau tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails yuav tsum ua raws li cov hauv paus ntsiab lus ntawm "pab txuam nrog rau cov qauv, optimizing kev nyuaj siab tis, thiab ua kom yooj yim ua thiab tu". Cov ntsiab lus tseem ceeb suav nrog peb yam: kev xaiv cov khoom siv tuag, hla -sectional profile tsim thiab kev hloov pauv arc optimization. Cov khoom siv tuag yuav tsum siab -ceev steel nrog zoo heev hnav tsis kam. Lub neej kev pab cuam ntawm siab - steel tuag yog ntau tshaj 5 npaug ntawm cov neeg tuag zoo tib yam, uas tuaj yeem txo tus lej ntawm kev hloov pauv tuag thiab cov nqi tsim khoom qis dua. Tus ntoo khaub lig-sectional profile tsim yuav tsum ua raws li cov qauv ntawm lub teb chaws lub hom phiaj, siv computer-aided design (CAD) thev naus laus zis los kos tus ntoo khaub lig tuag{11}}sectional saib, xyuas kom meej tias tus ntoo khaub lig-sectional parameters of the die yog raws li tus qauv ntoo khaub lig-section, thiab kho ib qho kev sib tsoo 0.5 hli rau kev sib tsoo. Transition arc optimization yog tus yuam sij rau kev tsim. Qhov kev hloov pauv arc vojvoog ntawm lub taub hau tsheb ciav hlau thiab lub vev xaib tsheb ciav hlau, thiab nruab nrab ntawm lub vev xaib tsheb ciav hlau thiab cov tsheb ciav hlau yuav tsum tau nce 10% piv nrog tus qauv tus nqi. Ua kom qhov kev hloov pauv ntawm arc tuaj yeem txo qhov kev ntxhov siab thaum lub caij tsheb ciav hlau dov thiab tsis txhob tawg qhov tsis xws luag hauv kev tsheb ciav hlau. Tom qab kev tsim cov tuag tiav lawm, cov txheej txheem simulation tsom xam yuav tsum tau nqa tawm los simulate cov kev ntxhov siab thaum lub sij hawm dov txheej txheem kom ntseeg tau tias lub zog thiab nruj ntawm cov tuag ua tau raws li qhov yuav tsum tau ua.

 

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Txoj kev sib haum xeeb ntawm kev sib haum xeeb ntawm tus ntoo khaub lig -sectional profile ntawm txawv teb chaws tus qauv rails thiab lub kaw lus fastener yog dab tsi?

Kev sib haum xeeb ntawm tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails thiab lub fastener system yuav tsum tau pib nrog peb yam: rail lub xub pwg nyom qhov siab, kev sib cuag cheeb tsam thiab installation qhov chaw los xyuas kom meej tias lub fastener system yuav ruaj khov ntsia tau rau ntawm txoj kev tsheb ciav hlau. Ua ntej, kho lub xub pwg nyom qhov siab. Qhov siab ntawm lub xub pwg nyom yuav tsum phim qhov siab ntawm lub fastener nrog qhov sib txawv tsawg dua lossis sib npaug rau ± 0.2mm. Lub xub pwg nyom siab heev yuav tiv thaiv lub fastener los ntawm kev teeb tsa, thaum lub qis qis heev yuav ua rau lub fastener loosen. Qhov thib ob, nce qhov chaw sib cuag ntawm txoj kev tsheb ciav hlau thiab lub fastener. Qhov chaw sib cuag yuav tsum siab dua lossis sib npaug li 800mm². Ua kom cov cheeb tsam sib cuag tuaj yeem txo qhov kev sib cuag kev ntxhov siab, zam cov yas deformation ntawm lub xub pwg rail, thiab tib lub sijhawm, kev sib txhuam quab yuam nce ntxiv nrog rau qhov nce ntawm qhov chaw sib cuag, txhim kho qhov kev ua tau zoo ntawm lub fastener. Thaum kawg, optimize lub installation qhov chaw ntawm txoj kev tsheb ciav hlau. Txoj hauj lwm thiab qhov loj ntawm lub qhov yuav tsum ua raws li lub qhov ntsia hlau ntawm lub fastener, nrog rau qhov sib txawv ntawm qhov tsawg dua los yog sib npaug rau ± 0.3mm. Kev ua tiav ntawm qhov chaw ntawm lub qhov yuav tsum tau nruj me ntsis tswj kom tsis txhob lub bolt tsis tuaj yeem hla los yog xoob tom qab kev teeb tsa. Tom qab kev hloov kho tiav lawm, lub rooj sib tw yuav tsum tau ua los simulate lub tsheb ciav hlau ua haujlwm thauj khoom thiab kuaj xyuas qhov ua tau zoo ntawm lub kaw lus fastener kom ntseeg tau tias kev sib raug zoo raws li tus qauv.

 

Dab tsi yog cov txheej txheem tom ntej thiab kev hloov kho thev naus laus zis rau tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv tsheb ciav hlau?

Cov txheej txheem tom ntej thiab kev hloov kho thev naus laus zis rau tus ntoo khaub lig-sectional profile ntawm txawv teb chaws tus qauv rails feem ntau suav nrog kev sib tsoo, kev ua haujlwm drilling thiab ua kom muaj zog ntawm qhov chaw, uas yog siv los kho qhov sib txawv ntawm cov txheej txheem dov thiab txhim kho kev pabcuam kev ua haujlwm ntawm cov ntsia hlau. Kev kho kev sib tsoo yog cov txheej txheem hloov kho tseem ceeb. Ib lub tshuab sib tsoo tshwj xeeb yog siv los zom cov tshaj - siab ntev rail lub taub hau dav thiab rail lub taub hau arc, nrog kev sib tsoo raug tsawg dua lossis sib npaug li 0.05mm. Qhov saum npoo roughness ntawm lub taub hau hauv av yuav tsum tsawg dua lossis sib npaug ntawm Ra0.8μm kom ntseeg tau tias kev sib cuag zoo nrog lub log. Drilling ua feem ntau yog rau qhov chaw uas fasteners yuav tsum tau ntsia. Lub tshuab CNC drilling yog siv los tswj txoj haujlwm thiab qhov loj ntawm lub qhov, nrog rau qhov sib txawv ntawm qhov tsawg dua lossis sib npaug li ± 0.3 hli thiab lub qhov taub sib txawv tsawg dua lossis sib npaug ± 0.1 hli. Tom qab drilling, lub qhov ncauj qhov ncauj yuav tsum tau chamfered nrog ib tug chamfer vojvoog ntawm 2 hli kom tsis txhob muaj kev ntxhov siab concentration ntawm lub qhov ncauj qhov ncauj ua rau tawg. Cov cuab yeej siv dag zog saum npoo siv qhov nruab nrab - zaus induction quenching txheej txheem los tua lub taub hau tsheb ciav hlau. Lub quenching txheej thickness yog 5-8mm, thiab lub hardness mus txog saum HRC58, txhim kho cov hnav tsis kam ntawm txoj kev tsheb ciav hlau. Tom qab cov txheej txheem tom ntej thiab kev hloov kho tiav lawm, cov kab lus hla ntu yuav tsum tau sim dua kom ntseeg tau tias txhua qhov kev ntsuas ua tau raws li cov qauv kev cai ntawm lub teb chaws lub hom phiaj.