重軌萬能軋制過程仿真系統(tǒng)軟件開發(fā).pdf

1、武漢科技大學(xué)碩士學(xué)位論文重軌萬能軋制過程仿真系統(tǒng)軟件開發(fā)姓名：蘆憶萱申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：趙剛20090512第1I頁武漢科技大學(xué)碩士學(xué)位論文AbstractIIlreccntyears，therailwayspeedincre弱e0fthedimensionprecisionoftherailisrcquiredhigller卸dhigllerwhichofChina’sproductionofheavyrai

2、lt0thenewer鋤dhigllerrequirementsDcvelopment0fsiIIlulationsystem0funiVersalrollingforheaVy豫il鋤providea900dworkjngplatf0咖ofpr0Ccssadjustment鋤dproccsscomrolsilnulation，t0proVidetllethcoretical觚dpracticalgllid觚ccbasisforstab

3、ilityofproccssoperation卸dprocesscontr0LTllispapertakeshectometerheavyrailuniVerSalrollingline弱therese種chobjeCt，combiningwiththeadualproductionofheaVyrail，洲es∞tlledeVelopmentofsimulationsystem0funiVersalrollingforheavyrai

4、l皿etemperaturcVariationofheavyrailrollingprocessismailllystudied，趾dmathematicalmodelswhiChcontailltemperaturedropcausedbythe皿alradiationontherollertable，temperaturedropcausedbyforccdconveCtionthrouglllligllpressurcwaterd

5、escalingun“，andtemperatu托risegeneratedbyinthep弱s0ftherollingdefomlation劬mtlleheatingfIlmaceoutlettothecapshaped伊00Veoutletareestablished；hlacC0fd鋤ccwitllcharacteristiCs0frollingcrosssection，mathematicalmodelswhichcontain

6、temperaturcdmp∞usedbythemalmdiationontherollerta_ble，temperaturcrisegeneratedbyinthepass0ftherollingdefb衄ationofrailhead，milweb姐drailbase舶mtherailshaped黟ooVeinlett0tlle‰ishedproductshaped鏟00Veoutletareestablishcd，‰Simula

7、tionsyst鋤0funiVersalrollingforheavyrailwithⅥsualBasic6O∞腳areisusedtosimulate觚d姐alyzepieccsdef0徹ation觚dtemperaturcch觚gesinrollingprocess；hlViewofcrossscCtionalcomplexity，usingnon—linearfiniteelements0行l(wèi)Ⅳ缸eMARCt0simulate鋤d

8、卸alyzetemperaturefield0fheavyrailintheprocess0funiVe娼alrollingStudiesshowtllattheprediCtiVeValuecanagreeweUwiththemeasurcdValueThetemperaturechangeofheaVyrailinthewholerollingprocess柚dtemperaturefieldiIltheuniVersalrolli

9、ngprocessarestudiedbynumericalsimulation，which咖provide鋤effectiVeb嬲isforactualproductionproccsscontfolaIldregulation，thusformal【ingtheoptimizedrollingprOcesslayaf|0undatiOnfoLKeyworIIs：Heavyrail；UniVersalrolling；Simulatio