中文摘要小管径内壁TIG填丝堆焊自动化专机设计本论文论述了小管内壁TIG堆焊的焊接专机的设计，主要包括滚轮架的设计、减速器的设计等，概括起来就是机械结构的设计和电气控制的设计。此次设计的焊接专机主要用于管类零件内壁的自动焊接，采用的焊接方法为TIG堆焊，可焊接的管径范围为200mm—1000mm，管子长度在2m左右，壁厚在30mm左右。小管内壁TIG堆焊专机的机械结构设计部分包括直线运动机构、防窜动机构、送丝机构、和十字滑板四个部分。其主要内容有电动机、减速器、滚轮架、丝杆、机架等的选择及设计等。在电气控制部分的设计中，以三菱公司生产的型号为FX0N-24MR的PLC为核心，利用继电器和接近开关等对专机的焊接动作进行控制。关键词：焊接专机；TIG堆焊；机械结构设计；电气控制设计毕业设计说明书（论文）英文摘要TitleDesignoftheAutomaticSpecialWeldingMachineforFillingtheTIGintheInnerWalloftheSmallPipeThisarticleelaboratedthedesignofspecialweldingmachineofsmallpipe,mainlyincludedthemechanismdesignandtheelectricitycontroldesign.Thisspecialweldingmachinemainlyusedtoweldthesmallpipe;theweldingmethodisTIG;thepipe’sdiameterscopeisfrom200mmto1000mm,thepipe’slengthisabout2m,thepipe’sthicknessisabout30mm.Themechanicalstructureofspecialweldingmachineofsmallpipecontainsfourparts,thebankingmechanism,theAntichannelingmechanism,theWirefeedingmechanismandthefour-bladedslidevane.Thecontentinvolvestotheelectricmotor,thespeedreducer,therollerframe,thescrew,therackandsoon.Inthedesignofelectriccontrolsystem,takestheFX0N-24MRasCPU,usestherelay,proximityswitchandsoontocompletethecontrolofspecialweldingmachine.Keywords:SpecialWeldingMachine;TIGSurfacing;MechanismDesign;ElectricityControl目录前言.................................................................................................................................1第一章绪论.....................................................................................................................21.1焊接专机的研究意义............................................................................................21.2课题的来源和要求................................................................................................3第二章小管内壁TIG堆焊自动化专机的总体设计..................................................52.1焊接方法的选择....................................................................................................62.2焊接专机的电源....................................................................................................6第三章焊接专机的机械设计........................................................................................83.1焊接滚轮架的设计................................................................................................83.1.1滚轮架简介..................................................................................................83.1.2滚轮架分类..................................................................................................83.1.3滚轮架结构设计及驱动方案的拟定......................................................103.1.4焊接滚轮架主要技术参数.......................................................................103.1.5滚轮直径和形式的确定...........................................................................103.1.6驱动摩擦力和圆周力的计算...................................................................113.1.7滚轮支反力的计算...................................................................................123.1.8驱...
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