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1、http://www.tahsft.com/http://www.xtkydq.com/水轮机焊接部件火焰矫形的讨论(中英文)摘要:本文根据多年经验,结合国内外机组相关资料,阐述水轮机主要焊接部件结构变形的主要种类,介绍焊接变形的火焰矫形的施工方法。Abstract:thispaperbasedonyearsofexperience,combinedwithdomesticandforeignunitsrelatedinformation,thisturbinemainweldingpartsstr
2、ucturedeformationofthemaintypes,introducesconstructionmethodofweldingdeformationofflamestraightening.关键词:水轮机;火焰矫形;焊接变形Keywords:hydraulicturbine;Flamestraightening;Weldingdeformation 目前,大型水轮机部件已经大量的采用焊接结构。而水轮机主要焊接部件是由座环、顶盖、底环等部件组成。这些构件在制作过程中都存在焊接变形问题,如
3、果焊接变形不予以矫正,则不仅影响结构整体安装,还会降低工程的安全可靠性。Atpresent,thelargeturbinepartshavealotofweldingstructure.Andturbinemainweldingpartsconsistsofseatring,thetopandbottomringparts.Theseartifactsweldingdeformationproblemsintheproductionprocess,iftheweldingdeformationisn
4、otcorrected,willnotonlyaffectthestructureoftheoverallinstallation,wouldalsoreducethesafetyandreliabilityofengineering.http://www.tahsft.com/http://www.xtkydq.com/ 焊接水轮机部件产生的变形超过技术设计允许变形范围,应设法进行矫正,使其达到符合产品质量要求。实践证明,多数变形的构件是可以矫正的。矫正的方法都是设法造成新的变形来达到抵消已经发
5、生的变形。Turbinepartsfromtheweldingdeformationismorethantechnicaldesignallowsthedeformationrange,shouldtrytotocorrect,toconformtotherequirementsofthequalityoftheproduct.Practicehasprovedthatmostofthedeformationofthecomponentcanbecorrect.Correctionmethodsar
6、etryingtocauseanewdeformationtoachieveoffsethashappened. 在生产过程中普遍应用的矫正方法,主要有机械矫正、火焰矫正和综合矫正。但火焰矫正是一门较难操作的工作,方法掌握、温度控制不当还会造成构件新的更大变形。因此,火焰矫正要有丰富的实践经验。本文对水轮机部件焊接变形的种类、矫正方法作了一个粗略的分析。Correctionmethodsingeneraluseintheprocessofproduction,themainhavemechanic
7、alcorrection,flamestraighteningandcomprehensivecorrection.Buttheflamecorrectionisamoredifficultoperationwork,impropercontrol,temperaturecontrolalsocreatesnewbiggerdeformation.Therefore,flamecorrectionshouldhaverichexperienceinpractice.Inthispaper,acorr
8、ectionofweldingdeformationtypeturbinecomponents,methodmakesahttp://www.tahsft.com/http://www.xtkydq.com/roughanalysis. 1水轮机部件焊接变形的种类与火焰矫正1thekindsofweldingdeformationandflamestraighteningturbineparts 水轮机部件的主要构件是焊接H型结构(如座环)、箱体结构(如顶盖,底环