焊接专业毕业论文

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1、焊接专业毕业论文题目建筑钢结构H型钢焊接专业焊接技术学院毕业论文摘要本文主要针对钢结构制作当中所用到的H型钢焊接进行详细论述，由于钢结构的材料力学性能及特点决定着它的焊接性，所以在设计过程中必须选择合适的焊接顺序、焊接方法和焊接工艺参数。由于钢结构制作过程中大部分都是采用的H型钢焊接，翼板和腹板的拼接所采用的是埋弧自动焊，构件之间的连接主要是焊缝连接，所以焊接质量要十分重视。预防较长的H型钢在生产过程中产生变形，必要情况下采取二次矫正。最后对焊接过程中容易出现的缺陷进行分析，并提出有效的防止措施。关键词：H型钢翼板腹板焊缝连接I学院毕业论文AbstractThisarticlema

2、inlyaimsattheHsectionweldingwhichthesteelstructuremanufactureusestocarryonthedetailedelaboration,becausethesteelstructurematerialsmechanicsperformanceandthecharacteristicaredecidingitsweldability,thereforemustchoosetheappropriateweldingcourse,theweldingmethodandtheweldingcraftparameterinthedes

3、ignprocess.BecauseinthesteelstructuremanufactureprocessmajorityofallistheHsectionweldingwhichuses,whattheliftingsurfaceandwebplatesplicingusesisburiesthearctoweldautomatically,betweenthecomponentconnectionmainlyistheweldedjointconnection,thereforetheweldingqualityneedstotakeextremely.Thepreven

4、tionlongHsectionhasthedistortionintheproductionprocess,intheessentialsituationadoptstwocorrections.Finallyinthebuttweldprocesseasytoappeartheflawcarriesontheanalysis,andproposedeffectivepreventsthemeasure.Keywords:H-beamWingplateWebplateWeldconnection19学院毕业论文目录前言·······························

5、·········································1第一章绪论································································2第一节钢结构主要组成部分··············································2第二节H型钢的特点·····················································2第二章钢结构H型钢制作工艺·············································3第

6、一节H型钢焊接主要焊接前准备·········································3一、开坡口双面焊·····················································3二、焊接收缩量加工余量的计算·········································3三、焊接H型钢组对19学院毕业论文···················································3四、H型钢定位焊接··········································

7、··········3五、引弧板、收弧板的设置·············································4六、腹板厚度小于6mm，宽度大于600mm的反变形处理····················4第二节H型钢自动埋弧焊接工艺及变形控制·································4一、自动埋弧焊的焊接参数的确定·······································4二、焊接变形的控制··