CBT1152008金屬波形膨脹節(jié)

1、CB/T1153-2008金屬波形膨脹節(jié)CB/T1153-2008Metalbellowsexpansionjoint型式試驗大綱Experimentsyllabus無錫金波隔振科技有限公司W(wǎng)uxiJinBoIsolationTechnologyCompanyLimited2011年11月型式試驗大綱Typetestoutline一、主題內(nèi)容和適用范圍One,Subjectcontentandapplicablerange本試驗大綱規(guī)定了Cb/t1153-2008金屬波形膨脹節(jié)的試驗項目、試驗方法和要求。ThetestprogramsetCB/T1153-2008metalwaveformex

2、pansionjointtestitems,testmethodsandrequirements本試驗大綱適用于金屬波形膨脹節(jié)的型式試驗。Thetestprogramissuitableforthemetalwaveformexpansionjointtypetest二、編制依據(jù)Two,CompilationbasisCB/T1153-2008金屬波形膨脹節(jié)。CB/T1153-2008metalwaveformexpansionjoint按照標準規(guī)定，膨脹節(jié)在試制過程中應(yīng)進行型式檢驗，特制訂本型式試驗大綱。Inaccordancewiththestandardprovisions,expans

3、ionjointsduringshouldcarryouttypetesting,specialformulatethetypetest.型號ModelDNdhqtznA數(shù)量NumberB1640040042627280.83430.61Bs0680080081333.5350.54444.91二、提供試件：Three,Providetestpieces試件符號的意義：DN公稱通徑(Nominaldiameter),mm；d波根外徑()，mm；h波高(Waveheight),mm；q波距(Wavedistance),mm；t一層材料的厚度(Alayerofmaterialthickness),

4、mm；z波紋管材料的層數(shù)(Corrugatedpipemateriallayers)；n波紋管的波數(shù)(Thewavenumberofthecorrugatedpipe)；A額定軸向總位移(Ratedtotalaxialdisplacement),mm；波紋管試件材料為SUS321，其他為Q235-B；CorrugatedtubespecimenmaterialfortheSUS321,theotherQ235-B;設(shè)計基準溫度均為205C；Designreferencetemperatureof205DEGc;循環(huán)次數(shù)均為3000次。Cyclenumberare3000times.四、試驗設(shè)備

5、：Four,testequipment液壓試驗泵；hydraulictestpump;壓力表，精度等級1.5級；pressuregauges,precisiongrade1.5class;3靜剛度試驗機。Staticstiffnesstestmachine.五、試驗項目：Five,testproject材料檢查；materialinspection;外觀檢查；visualinspection;3.尺寸檢驗；dimensionalinspection;焊縫檢驗；weldinspection;剛度測定；Determinationofstiffness;耐壓試驗；voltagewithstandte

6、st;疲勞試驗。fatiguetest六、試驗方法：Six,testmethod:材料檢查：materialinspection:核查膨脹節(jié)所用材料的牌號及其材質(zhì)報告，結(jié)果應(yīng)符合表1；Verificationofexpansionjointmaterialusedforthebrandanditsmaterialqualityreport,theresultsshouldconformtotable1;表1零件名稱Partname材料Materialscience名稱Name牌號Grade標準號Standardnumber波紋管Corrugatedpipe不銹鋼Stainlesssteel0C

7、rl8Ni10TiGB/T4237-1992法蘭Flange定位螺桿Positioningscrew碳素結(jié)構(gòu)鋼CarbonstructuralsteelQ235-BGB/T700-19882.外觀檢查：Appearanceinspection:在日光或人工照明下目測及相關(guān)量具檢驗膨脹節(jié)外觀，要求如下：Inthesunlightorartificiallightundervisualandrelatedmeasuringtestexpansionjointappearance,requirementsareasfollows:（1）管坯用薄板卷制時只允許有全焊透的對接型縱向焊縫，不允許有環(huán)焊縫；

8、tubewithasheetcoilsystemisonlyallowedtohavefullpenetrationbutttypelongitudinalweld,doesnotallowcircumferentialweld;（2）管坯的縱焊縫以最少為原則，在管坯厚度不大于0.5mm時，相鄰焊縫的間距應(yīng)大于150mm,管坯厚度不小于0.8mm時，相鄰焊縫的間距應(yīng)大于250mm，焊縫條數(shù)不多于兩條；tubelongitudinalseamwithminimumprinciple,inthetubethicknessislessthan0.5mm,adjacenttheweldspacings

9、houldbegreaterthan150mm,tubethicknessnotlessthan0.8mm,adjacenttheweldspacingshouldbegreaterthan250mm,weldnumbernomorethantwo;（3）管坯的拼接應(yīng)采用自動氬弧焊或等離子焊方法施焊。大于0.5mm的板材拼焊對口錯邊量、焊縫的凹陷深度及余高應(yīng)不大于板厚的10，焊縫表面應(yīng)呈銀白色或金黃色，可呈淺藍色；thesplicingtubeshouldbeusedforautomaticargonarcweldingandplasmaweldingmethodwelding.Moretha

10、n0.5mmplateweldingunfitnessofbuttwelddepressions,depthandresidualhighshouldnotbegreaterthanthethicknessoftheweldsurfaceshouldbe10%,silverywhiteorgoldenyellow,canbealightblue;（4）波峰、波谷與側(cè)壁間應(yīng)圓滑過渡，波紋表面允許有輕微的模片壓痕，不允許有裂紋、焊接飛濺物及明顯的凹凸不平和大于單層壁厚負偏差的劃痕；peaks,troughsandsidewallshouldbesmoothtransition,corrugated

11、surfacetoallowaslightdieindentation,nocrack,weldingspatterandobviousunevenwallthicknessisgreaterthanthesingleandnegativedeviationscratches;（5）膨脹節(jié)組件的波紋管與接管連接應(yīng)采用氬弧焊焊接，碳鋼件可采用普通電焊。碳鋼件法蘭（除密封面外）表面應(yīng)涂防銹漆兩道或涂塑處理；expansionjointassemblyofcorrugatedpipeandtheconnectingpipeshouldbeusedinargonarcwelding,carbonste

12、elpartscanadoptthecommonwelding.Carbonsteelflange（exceptthesealingsurface）surfaceshouldbecoatedantirustpainttwoorplasticprocessing;（6）膨脹節(jié)組件各部位焊縫表面不應(yīng)有裂紋、氣孔、夾渣、飛濺物等缺陷；expansionjointassemblypartsoftheweldsurfaceshouldnotcrack,blowhole,slag,spatterdefects;3.尺寸檢驗：Dimensioninspection:用精度符合規(guī)定極限偏差要求的通用量具及專用

13、量具檢查膨脹節(jié)的尺寸。要求如下：Withprecisionconformtospecifiedlimitdeviationrequirementsofspecialmeasuringtoolformeasuringandcheckingthesizeofexpansionjoint.Requirementsareasfollows:尺寸按附表要求檢查；Sizeaccordingtotheschedulerequirementscheck;多層波紋管管坯的套合間隙應(yīng)不大于0.8mm；Multilayerbellowstubesleevedgapshouldbelessthan0.8mm;波紋管的

14、波峰、波谷曲率半徑的極限偏差為土15%的公稱半徑；Corrugatedpipe,theradiusofcurvatureofthewavetroughoflimitdeviationof15%nominalradius;膨脹節(jié)組件各部位焊縫表面不應(yīng)有裂紋、氣孔、夾渣、飛濺物等缺陷；Expansionjointassemblypartsoftheweldsurfaceshouldnotcrack,blowhole,slag,spatterdefects;膨脹節(jié)組件長度公差為土5mm,垂直度公差為1%波紋管公稱通徑，且不大于3mm，同軸度公差為1%波紋管公稱通徑，且不大于卩5mm；Expansio

15、njointassemblylengthtoleranceis+5mm,perpendicularitytoleranceof1%corrugatedtubenominaldiameter,andnotmorethan3mm,coaxialtoleranceof1%corrugatedtubenominaldiameter,andnotmorethan5mmdiameter;焊縫檢驗：Weldinspection:波紋管縱焊縫進行拍片檢查，焊縫不存在裂紋、未融合和未焊透。CorrugatedpipelongitudinalweldingseamforX-rayexamination,there

16、isnocrack,lackoffusionweldandweld剛度測定：Determinationofstiffness:膨脹節(jié)的軸向剛度測定，在常溫、常壓下將試件垂直放置測力機上進行。分5級遞增(每級壓縮位移量為軸向總補償量的1/5)，共測三遍，取其各級額定位移量下的最大作用力的平均值。其結(jié)果應(yīng)符合B16400的軸向剛度為915.8N/mm，BS06800的軸向剛度為558.0N/mm。Expansionoftheaxialstiffnessmeasurement,atroomtemperature,theatmospherewillbespecimenplacedverticallyo

17、ntheforcemeasuringmachine.5increments(eachstagecompressiondisplacementaxialtotalcompensationquantity1/5),weremeasuredthreetimes,takethevariousnominaldisplacementunderthemaximumforceofaveragevalue.TheresultsshouldbeinlinewiththeB16400axialstiffnessis915.8N/mm,BS06800axialstiffnessfor558.0N/mm.耐壓試驗：Wi

18、thstandvoltagetest:試驗裝置應(yīng)保證試驗時膨脹節(jié)兩端固定和有效密封，波紋管以其自由長度處于直線狀態(tài)；Testdeviceshallguaranteethatthetestexpansionjointwithbothendsfixedandeffectiveseal,corrugatedpipewithitsfreelengthinstraightline;試驗時應(yīng)緩慢升壓，達到規(guī)定試驗壓力后保壓至少10min；Testpressureshallbeincreasedslowly,reachedaftertherequiredtestpressureandpressureofat

19、least10min;試驗壓力下目視檢查膨脹節(jié)，膨脹節(jié)應(yīng)無滲漏，結(jié)構(gòu)件應(yīng)無明顯變形，波紋管應(yīng)無失穩(wěn)現(xiàn)象；Testpressurevisualinspectionofexpansionjoints,expansionjointsshouldbenoleakage,piecesofthestructureshouldbenoobviousdistortion,corrugatedtubeshouldbenoinstabilityphenomenon;水壓試驗壓力下的最大波距變化率大于15%，即認為波紋管已失穩(wěn)。Waterpressuretestofmaximumwavepitchchangerat

20、eisgreaterthan15%,thatthebellowshasinstability.檢查要求：在1.5倍公稱壓力下，保持10min不發(fā)生泄漏，且波紋管應(yīng)無失穩(wěn)現(xiàn)象。Examinationrequirements:at1.5timesthenominalpressure,keepingthe10mincannotleak,andthecorrugatedtubeshouldbenoinstabilityphenomenon.疲勞試驗：Fatiguetest:膨脹節(jié)的疲勞試驗應(yīng)在專用的疲勞試驗裝置上進行，疲勞試驗裝置應(yīng)保證能約束波紋管壓力推力與位移反力，并能保證施加的軸向循環(huán)位移與波紋管

21、軸線同軸；expansionjointfatiguetestshouldbeinspecialfatiguetestdevice,fatiguetestdevicetoensuretheconstraintbellowspressurethrustforceanddisplacement,andcanguaranteetheappliedaxialcyclicdisplacementandaxisofcoaxialcorrugatedpipe;膨脹節(jié)的疲勞試驗可在常溫下進行，膨脹節(jié)在軸向總位移量下，循環(huán)次數(shù)為設(shè)計疲勞壽命的3倍。B16400的疲勞試驗循環(huán)位移量為31，BS06800的疲勞試驗循

22、環(huán)位移量為45。循環(huán)頻率的選擇應(yīng)確保各波均勻變形(一般不大于30次/min)。Expansionjointfatiguetestcanbeperformedatroomtemperature,expansionjointintotalaxialdisplacement,cyclenumberforthedesignoffatiguelife3times.B16400fatiguetestcyclicdisplacementof31,BS06800fatiguetestcyclicdisplacementof45.Cyclicfrequencyselectionshouldensurethatt

23、hewaveofuniformdeformation(generallynotmorethan30times/min).檢查要求：膨脹節(jié)達到循環(huán)次數(shù)后，應(yīng)進行壓力試驗，試驗介質(zhì)為水時，波紋管應(yīng)無漏水現(xiàn)象；試驗介質(zhì)為氣體時，皂泡檢查波紋管表面應(yīng)無漏氣現(xiàn)象。Examinationrequirements:expansionjointtocyclenumber,shouldbecarriedoutforwaterpressuretest,thetestmedium,corrugatedtubeshouldbenowaterleakagephenomenon;testmediumisair,soapb

24、ubblecheckcorrugatedpipesurfaceshouldbenoleakagephenomenon.七、試驗結(jié)果：Inseven,thetestresults:材質(zhì)報告；materialreport;外觀檢查報告；visualinspectionreport;尺寸檢查報告；dimensioninspectionreport;焊縫檢驗報告；weldinspectionreport;剛度檢驗報告；stiffnessinspectionreport;壓力試驗報告；pressuretestreport;疲勞試驗報告。Fatiguetestreport.無錫金波隔振科技有限公司不銹鋼波形膨脹節(jié)質(zhì)量檢Director:Inspector:GWS397#GLWuxiJinboVibrationIsolationTechnologiesCo.,LtdQualityInspectionR訂貨單