关于WS焊接工艺规程AWS的解释

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,1,Welding procedure specification,(WPS),焊接工艺规范,Kevin Mo,What is a WPS?,什么是焊接工艺规范,(WPS)?,焊接工艺规范是为了制造符合,规范,要求的焊缝而提供指导的、经过评定合格的焊接工艺文件。它或其它文件可用于对焊工或焊机操作工提供指导,以保证符合规范要求。,A WPS is a written qualified welding procedure prepared to provide direction for making production welds to Code requirements.The WPS or other documents may be used to provide direction to the welder or welding operator to assure compliance with the Code requirements.,What is included by a WPS?WPS,的内容,一份完整的,WPS,应当包含在,WPS,中所采用的、对每一种焊接方法而言的所有,重要变素,、,非重要变素,和当需要时的,附加重要变素,。,样表见,图,1,。,焊接工艺规范其实就是规定某一焊接工艺的各种焊接变素。,The completed WPS shall describe all of the,essential,nonessential,and,when required,supplementary essential variables,for each welding process used in the WPS.For the sample,pls see the,figure 1,.,Who take charge of compiling WPS?WPS,应该由谁制定,?,每个制造者或承包者应按照焊接规范的规定编写合理的,WPS.,具体的说,WPS,是由代表厂家的焊接工程师编写的。,Each manufacturer and contractor shall prepare written Welding Procedure Specifications which are defined in corresponding welding code.,Availability of the WPS,WPS,的可得性,用于产品焊接的,WPS,应当在制造现场便于获得，以供查考，并供授权检验师,(AI),检查。,A WPS used for Code production welding shall be available for reference and review by the Authorized Inspector(AI)at the fabrication site.,Authorized by AI,授权检验师检查,conducted by welder,焊工或焊接操作工 根据,WPS,进行生产,compiled by welding engineer according to qualified PQR,焊接工程师根据评定合格的工艺评定记录（,PQR),制定恰当的焊接工艺规范 （,WPS,）,supervised by AI,授权检验师检查,Simple connection diagram,WPS,关系简图,Remarks:,PQR is the qualified welding procedure procedure and test results record.,备注：,PQR,是经过评定合格的焊接工艺数据及,相关试验,结果记录,+,FCAW,药芯焊丝保护焊,SAW,埋弧焊,GMAW,气保焊,SMAW,焊条电弧焊,GTAW,钨极氩弧焊,+,How is a WPS created?,如何创建一个,WPS?,接头形式,joint type,焊接方法,welding process,建造规范,constructionspecification,选择,资源,成本,实际约束,浏览规范，列出可行焊接方法,主要约束,修订可行焊接方法,评估生产成本,选择,规范,Weld Process Selection,焊接工艺选择,The“ideal”welding process is that which achieves the minimum specification requirements at the minimum cost.,完美的焊接工艺是那种以最小成本获得规范要求的最低水平,The Practical Welding Engineer,Variables,焊接变素,重要变素,essential variables,影响接头弯曲和拉伸性能的因素,Affect the bend ability and tension ability of joint,非重要变素,non essential variables,对弯曲和拉伸不能产生明显影响的因素,Cant produce visible affection on bend ability and tension ability of joint,附加重要变素,supplemental essential variables,影响接头冲击性能的因素,Affect the toughness of joint,Essentials listedinAWSD1.1,AWS,对各种,焊,焊接方,法,法重要,变,变素的,规,规定,Essentials in GMAWorFCAWGMAW andFCAW,中的重,要,要变素,(AWS),Filler,填充材,料,料,Increaseinfillermetalclassificationstrength,增加填,料,料的强,度,度,Changefromoneelectrode classification to anyotherelectrodeclassification,，,limited to FCAW,从一种,焊,焊丝型,号,号改变,到,到另一,种,种焊丝,型,型号（,只,只限药,芯,芯焊丝,）,）,Changetoanelectrode classification notcovered in AWSA5.18,A5.20,A5.28,A5.29.,焊丝变,为,为在,AWS,中没有,的,的型号,Electrode,焊丝,Changeinnominalelectrodediameter:,焊丝直,径,径变化,（,（实芯,焊,焊丝）,，,，焊丝,直,直径增,加,加（药,芯,芯焊丝,）,）,Electrical parameters,焊接参,数,数,A changeintheamperagefor eachdiameter,每种焊,丝,丝直径,的,的电流,变,变化超,过,过,10,A changeintype of current(ac or dc)orpolarityandmodeoftransfer(GMAWonly),电流极,性,性变化,或,或,GMAW,过渡模,式,式变化,A changeinthevoltageforeachdiameter,，,surpass 7%,电压改,变,变超过,7,Anincreaseordecreaseinthewirefeed speed foreach electrodediametersurpass 10%,送丝速,度,度改变,超,超过,10,Essentials in GMAWorFCAWGMAW andFCAW,中的重,要,要变素,(AWS),A changeinthetravel speed surpass25%,焊接速,度,度改变,超,超过,25,Anincreaseinheatinputsurpass10%,热,输,输,入,入增,加,加,超,超,过,过,10,Shieldinggas,保,护,护,气,气,Achangeinshieldinggasfromasinglegastoanyothersinglegasormixtureofgas,orinthespecifiednominalpercentagecompositionofagasmixture,ortonogas,保,护,护,气,气,从,从,单,单,种,种,气,气,体,体,变,变,为,为,其,其,它,它,单,单,种,种,气,气,体,体,或,或,混,混,合,合,气,气,体,体,EssentialsinGMAWorFCAWGMAWandFCAW,中,的,的,重,重,要,要,变,变,素,素,(AWS),Achangeintotalgasflowrate,气,体,体,流,流,量,量,增,增,加,加,大,大,于,于,50,或,或,减,减,小,小,超,超,过,过,20,Achangetoashieldinggasnotcoveredin,。,改,改,变,变,为,为,不,不,包,包,含,含,在,在,AWSA5.18,5.28,A5.20,A5.29,中,的,的,保,保,护,护,气,气,。,。,General,一,般,般,条,条,件,件,ForthePQRgroovearea,anincreaseordecrease25%inthenumberofpasses,对,于,于,与,与,PQR,坡,口,口,面,面,积,积,相,相,同,同,的,的,，,，,焊,焊,道,道,数,数,改,改,变,变,超,超,过,过,25,Achangeinpositionnotqualified,焊,接,接,位,位,置,置改,变,变,为,为,未,未,经,经,评,评,定,定,的,的,位,位,置,置,。,。,EssentialsinGMAWorFCAWGMAWandFCAW,中,的,的,重,重,要,要,变,变,素,素,(AWS),Achangeindiameter,orthickness,orboth,notqualifiedbyTable2,工,件,件,直,直,径,径,或,或,厚,厚,度,度,未,未,在,在,评,评,定,定,范,范,围,围,之,之,外,外,。,。,AchangeinbasemetalorcombinationofbasemetalsnotlistedonthePQR,母,材,材未,经,经,评,评,定,定,VerticalWelding:Foranypassfromuphilltodownhillorviceversa,立,焊,焊,：,：,任,任,何,何,焊,焊,道,道,从,从,上,上,到,到,下,下,焊,焊,接,接,或,或,相,相,反,反,Achangeingroovetype(e.g.,single-Vtodouble-V),坡,口,口,形,形,式,式变,化,化,（,（,例,例,如,如,，,，,单,单,V,到,双,双,V),EssentialsinGMAWorFCAWGMAWandFCAW,中,的,的,重,重,要,要,变,变,素,素,(AWS),Achangeinthetypeofgroovetoasquaregrooveandviceversa,从任,何,何,坡,坡,口,口,形,形,式,式,改,改,变,变,为,为,直,直,边,边,或,或,相,相,反,反,Achangeexceedingthetolerances,includingdecreasingofgrooveangle,decreasingofrootopening,increasingofrootface.,坡,口,口,角,角,度,度,减,减,小,小,，,，,坡,坡,口,口,间,间,隙,隙,减,减