焊接專業(yè)畢業(yè)論文

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時間:2018-07-10

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1、焊接專業(yè)畢業(yè)論文題目建筑鋼結構H型鋼焊接專業(yè)焊接技術學院畢業(yè)論文摘要本文主要針對鋼結構制作當中所用到的H型鋼焊接進行詳細論述,由于鋼結構的材料力學性能及特點決定著它的焊接性,所以在設計過程中必須選擇合適的焊接順序、焊接方法和焊接工藝參數(shù)。由于鋼結構制作過程中大部分都是采用的H型鋼焊接,翼板和腹板的拼接所采用的是埋弧自動焊,構件之間的連接主要是焊縫連接,所以焊接質量要十分重視。預防較長的H型鋼在生產(chǎn)過程中產(chǎn)生變形,必要情況下采取二次矯正。最后對焊接過程中容易出現(xiàn)的缺陷進行分析,并提出有效的防止措施。關鍵詞

2、:H型鋼翼板腹板焊縫連接I學院畢業(yè)論文AbstractThisarticlemainlyaimsattheHsectionweldingwhichthesteelstructuremanufactureusestocarryonthedetailedelaboration,becausethesteelstructurematerialsmechanicsperformanceandthecharacteristicaredecidingitsweldability,thereforemustchoos

3、etheappropriateweldingcourse,theweldingmethodandtheweldingcraftparameterinthedesignprocess.BecauseinthesteelstructuremanufactureprocessmajorityofallistheHsectionweldingwhichuses,whattheliftingsurfaceandwebplatesplicingusesisburiesthearctoweldautomaticall

4、y,betweenthecomponentconnectionmainlyistheweldedjointconnection,thereforetheweldingqualityneedstotakeextremely.ThepreventionlongHsectionhasthedistortionintheproductionprocess,intheessentialsituationadoptstwocorrections.Finallyinthebuttweldprocesseasytoap

5、peartheflawcarriesontheanalysis,andproposedeffectivepreventsthemeasure.Keywords:H-beamWingplateWebplateWeldconnection19學院畢業(yè)論文目錄前言········································································1第一章緒論···············································

6、·················2第一節(jié)鋼結構主要組成部分··············································2第二節(jié)H型鋼的特點·····················································2第二章鋼結構H型鋼制作工藝·············································3第一節(jié)H型鋼焊接主要焊接前準備········································

7、·3一、開坡口雙面焊·····················································3二、焊接收縮量加工余量的計算·········································3三、焊接H型鋼組對19學院畢業(yè)論文···················································3四、H型鋼定位焊接····················································3五、引

8、弧板、收弧板的設置·············································4六、腹板厚度小于6mm,寬度大于600mm的反變形處理····················4第二節(jié)H型鋼自動埋弧焊接工藝及變形控制·································4一、自動埋弧焊的焊接參數(shù)的確定·······································4二、焊接變形的控制··

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