計算機輔助鋼板高頻感應(yīng)加熱變形研究.pdf

1、上海交通大學(xué)碩士學(xué)位論文計算機輔助鋼板高頻感應(yīng)加熱變形研究姓名：帥克剛申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：羅宇20040101StudyofComputerAidedPlateBendingbyHighFrequencyInductionHeatingABSTRACTTheplatebendingprocessbyheatingiswidelyusedtofmcurvedplatesofshipstructures.Howev

2、erItishardtorealizetheautomatizationofthebendingprocessbytraditionalmethodsthedisadvantagesinvolveinlowefficiencyshapeerrs.Thedevelopmentoftheshipbuildingindustryisheldbackbythedrawbacksoitbecomesurgenttosolvetheproblem.

3、Highfrequencyinductionhasseveraladvantagessuchastheaccuraterangecontrollingofheatingtheheatingvelocitycontrollingthetemperaturedistributiongoodreproduction.Torealizecomputeraidedprocessplanningsystemfplatebendingbyhighfr

4、equencyinductionheatingahighfrequencyheatingequipmentfplatebendingmustbedesignedtheplatedefmationofhighfrequencyheatingmustberesearched.Ahighfrequencyheatingequipmentfplatebendinghasbeendesigned.Thisequipmentconstituteso

5、faninductionconductatransmittalbondacurrenttransmittalplateawatercoolingsystem.Anactivethermocoupleequipmentalsobedesignedtomeasuretheheatingtemperature.Thehighfrequencyheatingexperimentwasexecutedon400X300X6mm20#steelpl

6、ates.Theinherentdefmationsduringhighfrequencyinductionheatingwerestudied.Anexperientialfmulaoftherelationbetweentheinherentdefmationheatinputparameterwasgiveninthispaper.Basedonfiniteelementmethodsthethermalmechanicalbeh

7、avisduringhighfrequencyinductionheatingwerestudied.Duringthetemperaturefieldscalculatingtheheatsourcemodelwasdeterminedbycombiningexperimentalresultswithnumericalanalysis.Thetemperaturefieldsbyhighfrequencyinductionthede

8、fmationwerecalculatedwiththeheatsourcemodel.Therelationbetweentheinherentdefmation(involvetraverseshrinkagelongitudinaldisttionangulardisttion)heatinputparameterinhighfrequencyheatinghasresearchedbynumericalsimulation.Th

9、econceptcalculativemethodsofTendonFceinherentstrainwereintroduced.Thevalidityoftheheatsourcemodelthemethodstocalculatetemperaturefieldswasconfirmedthroughcomparisonbetweenexperimentalvaluesimulativevalue.Allthemechanical