焊接技术及其自动化毕业论文（welding technology and automation graduation thesis）

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1、焊接技术及其自动化毕业论文（Weldingtechnologyandautomationgraduationthesis）Weldingtechnologyandautomationgraduationthesistopic:lowalloysteelTweldingjointdeformation,measurementandcalculation:Departmentofmaterialsscienceandengineering,materialformingandcontrolengineering,weldingtechnologyandautomationinwel

2、dingheatinputduetohighconcentrationintheprocessoftransient,intheprocessoftheweldingwillinevitablyproduceweldingthestressanddeformation,andtheweldingdeformationoftheappearanceofthestructure,bearingcapacity,serviceperformanceandotheraspectshavemanynegativeeffects,soithasveryimportantpracticals

3、ignificanceforanalysisandestimationofweldingresidualdeformation.BasedontheTcomponentastheresearchobject,makingunbeveledorgrooveweldingproceduretest,analysisoffactorsaffectingtheweldingdeformation,especiallyintheprocessofweldingheatinputmakesthekeydiscussion;longitudinalshrinkageofTtypeweldsa

4、remeasured,calculatingthedeformationamountiscalculatedin.Basedonthesimplifiedscience,andtheestimatedvaluesarecomparedwiththemeasuredvalue.Theexperimentalresultsshowthattheselectedweldingparametersinlinewiththeactualweldingrequirementsformulaproperly,theweldingprocessanddeformationcalculation

5、methodcanprovidetheoreticalbasisfortheactualproduction.Keywords:Tjoint;weldingdeformation;AbstractWeldingisareliableheatinputandeffectivemethodofmaterialconnectingsoitiswidelyappliedtovariousindustries.Thepresenceofresidualdeformationaffectsnotonlythestructureofthedimensionalaccuracyandappea

6、ranceandmayreduceitscarryingcapacityandmechanicalperformancesoweldingdistortionpredictionandcontrolisveryimportant.Withthecomputerandthedevelopmentoffiniteelementanalysiscomputersimulationofmechanicalbehavioroftheweldingprocesstobecomeanessentialwaytheuseofinherentstrainmethodtopredictweldin

7、gdeformationisatypicalexample.InthispaperT-weldedcomponentsforthestudyanalysisandforecastingusingtheinherentstrainMEthodT-weldedcomponentstransversecontractionandlongitudinalcontraction.Focusontheinherentstrainanalysismethodandcomputerapplicationpr