卡套管接头概述

1、钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 #StrongerHydraulic苏强格液压卡套接头概述iteTypeFittingsInstructions卡套式管接头由三部分组成：接头体、卡套、螺母。当卡套和螺母在钢管上插入接头体后，旋紧螺母时，卡套前端外侧与接头体锥面贴合，内刃均匀地咬入无缝钢管，形成有效密封。见图:卡套装在管子上Cuttingringbitethetube钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 #StrongerHydraulic苏强格液压钢管总成SteelPipeAssembly

2、StrongerHydraulic苏强格液压 #StrongerHydraulic苏强格液压24。锥的W型柱端按DIN3861的标准。卡套采用双刃卡套。通常情况接头体和螺母表面镀锌处理。接头适用的工作压力最高可达63MPa,无缝钢管外径最大为42mm.Bitetypefittingconsistsofthreeparts:body,cuttingringandnut.Whentighteningnut,cuttingringisdrivenforwardonthetubethenbitethetubewiththeedgeofcuttingring,thisishowsealingisachi

3、evedandresultsininternalridgeinsidethetube.SeeabovepictureThetubecormectionsideoffittingismanufacturedinaccordaneewithstandard:DIN3861卡套式接头Ingeneral,bodyandnutssurfaceisplatedzinc.BitetypefittingcanbeusedinsystemwithMax63MPa.TheconnectiontubeO.D.isMax.42mm.卡套接头的装配BitTypeTubeFittingsAssemblyInstructi

4、ons安装Assembly锯下合适长度的无缝钢管，去除端口处毛刺。管子端面耍与轴线垂宜，角度公差不大于0.5,如管子需要折弯，则从管子端面至弯曲位部的苴线段长度不能少丁三倍螺母长度。钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 StrongerHydraulic苏强格液压Cutthetubeatrightangleandde_burrinsideandoutsideoftubeend.Minimumstraightlengthoftubefromthestartingpointoftubebendtothetubeendmaybenotless3tim

5、esheightofthenut.把螺母和卡套套在无缝钢管上。注意螺母和卡套的方向，如右图所示，不耍装反了。Setanutandcuttingringonthetube.Makesurethecuttingringandnutsarefacingthefittingasthepictureshownatrightside在预装配接头体螺纹和卡套上涂上润滑汕，把管子插入接头体，（管子一定要插到底）扳手旋转螺母。Lubricatethepre-assemblyfittingbodythreadsandcuttingring.Inserttubeendintofittingbodyuntilitis

6、firmlyseatedonbottom（fittingshoulder）andtightenthenutbywrench.拧紧螺母直至卡套卡住管子，这个转折点可以通过拧紧力矩的增加感受到（压力点）Tightennutuntilferrulegripstubewhichisfeltbyanoticeableincreaseintorque(Increaseinforce).达到压力点后，再将压紧螺母拧紧1/2圈。Tightennut1/2ofaturnafterincreaseinforce.钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 #Strong

7、erHydraulic苏强格液压钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 StrongerHydraulic苏强格液压6.将预装配接头体拆下，检验卡套刃边的咲入情况，可见的突起带必须填满卡套端面的空间。卡套可以稍旋转，但不能轴向推移。Disassemblythepre-assemblyfittingbody,checkpenetrationofcuttingedge.Avisibleringofmaterialshouldfillthespaceinfrontofthecuttingringendface.Cuttingringmayrotateo

8、ntube,butshouldnotbeaxialdisplacement.7.最终安装，将实际安装的接头体的罗纹涂上润滑汕、压紧螺母之配合拧至可感受到的拧紧力增加为止，接着再拧紧1/2圈安装完毕。Lubricatethefittingbodytobesubsequentlyinstallednutuntilanoticeableincreaseinforceisrequired.Tightennutby1/2ofaturnbeyondthispointforfinalassembly.重复安装Reassembly所有的卡套接头都可以多次重装，但是保证零件无损坏且清洁。Fittingcanbe

9、usedmanytimes.Toensurethis,partmustbecleanandfreeofdefect.把管子插入接头体直至卡套贴紧接头体内锥面，用手拧紧螺母。Insertthetubeintofittingbodyuntilcuttingringseatsfirmlyinthefittingandhand-tightenthenut.用扳手拧紧螺母，直至力矩急剧增大，再拧紧1/4至1/2圈即可。Tightenthenutwithawrenchbyholdingthefittingbodywithabackwrenchuntilasharpriseintorqueisfelt.Fu

10、rthertightenthenut1/4to1/2turn.检査Checkingupthebitecondition可拆下管子检查装配是否合乎耍求：卡套端面的管子上应该有均匀的轻微凸起。卡套不能前后移动，但允许有轻微转动。Allbitetypefittingmustbedisassembledpriortoservicetocheckupifsmallridgeinsidethetubeiscompletelyformedaroundfrontedgeofcuttingring.Otherwisetightenslightlymoretohaveit.Cuttingringmayrotate

11、onthetubebutshouldnotbeaxialdisplacement,thatdoesntmeanwronginstallation.Thecuttingringshallberefittedoncethenutisretightened.泄漏原因Leakagereason管子没有插到底。Whenthetubeisnotfullybottomed螺母没有拧紧。Whenthenutisnottightenedenough.管子外表刮伤或管子不圆。Whenthetubeisofscratchesoroval.管子太硬。Whenthetubeisextremelyhard钢管尺寸.公差以

12、及最大工作压力TubeSize,ToleranceandMax.WorkingPressure外径O.D.(mm)公差Toleranee(mm)壁厚Thickness(mm)10号碳素钢管CarbonSteelC1010orSt37.420号碳素钢或16Mn钢管TubeSt52.4不锈钢(SUS316)Stainlesssteel最大工作压力Max.workingPressure最大工作压力Max.workingPressure最大工作压力Max.workingPressure静压Static(Bar)动压Dynamic(Bar)筋压Static(Bar)动压Dynamic(Bar)静爪Sta

13、tic(Bar)动压Dynamic(Bar)6+0.081.04093916875413913766+0.081.5567551830764561529+0.081.0353303503419338291+0.081.5452433651599433416+0.082.057655183076456152910+0.081.028224842636027023810+0.081.537335756351935734310+0.082.047845872265545843912+0.081.023520935530422520112+0.081.535330353344133829112+0.0

14、82.040939161756939137614+0.081.530226445638328925314+0.082.035734253949734232814+0.082.543441565560441539914+0.083.050748576570548546615+0.081.528224842636027023815+0.082.033632150746732130915+0.082.540939161756939137616+0.081.526423339933925322416+0.082.035330353344133829116+0.082.53863705845383703

15、3516+0.083.045243368363043341618+0.081.523520935530422520118+0.082.031327347339630026218+0.082.534833352648433332020+0.082.028224842636027023820+0.082.535330353344133829120+0.083.037335756351935734320+0.083.542640864459340839222+0.081.5192仃329025218416722+0.082.025622738733024521822+0.082.5320278484

16、40530726722+0.083.034332851747732831525+0.082.022620134129321619325+0.082.528224842636027023825+0.083.033829251142532428125+0.084.039437859654937836328+0.082.020118130426319317428+0.082.525222338032424121428+0.083.030226445638328925330+0.082.0188仃028424718016330+0.082.523520935530422520130+0.083.028

17、224842636027023830+0.084.033632150746732130930+0.085.040939161756939137635+0.1516114724321315414135+0.1520118130426319317435+0.1524221536531223120635+0.1532228048740730926938+0.152.5186168280244仃816138+0.153.022319933628921319138+0.154.029726044837728424938+0.155.033231850146231830538+0.156.03903735

18、8954237335842+0.202.013412320317912911842+0.203.020118130426319317442+0.204.026923740634425722750+0.2014112921318813512450+0.2016915425622316214850+0.2028224842636027023850+0.2033829251142532428150+0.2039437859654937836360+0.253.014112921318813512460+0.255.023520935530422520160+0.256.028224842636027

19、023860+0.258.033632150746732130960+0.2510.040939161756939137660.3+0.253.616815325422216114760.3+0.255.626223139633625122260.3+0.258.033432050546532030760.3+0.2510.0407390615566390374钢管总成SteelPipeAssembly钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 #StrongerHydraulic苏强格液压 钢管总成SteelPipeAssemblyStronger

20、Hydraulic苏强格液压- -钢管的布置RoutingofTubeLines安装布置硬管管路时，注意事项：Routingoftubelinesshouldpayattentiontothefollowing:管子长度耍短，管径耍合适，流速过高会损失能量。ThelengthoftubeshouldbeshortandtubeO.D.shouldbesuitable,theenergywilllossifthevelocityistoolarge两固定点之间的连接，应避免紧拉，需要有一个松弯部分，如图以便丁装卸，也不会因热胀冷缩而造成严重的拉应力。Thetubeconnectionshould

21、avoidstrain;itisgoodthathaveabendingpart.SeepicturePicture1管子的弯管半径应尽可能大，其最小弯管半径约为硬管外径的2.5倍。管端处应留出直管部分，其距离为管接头螺母高度的二倍以上。见图2。Thetubebendingradiusisaslargeaspossible.Themin.bendingradiusisabout2.5timesoftheO.D.Thetubeendshouldbestraightandthespacingisabove2timesofthetubenutSeepicture2.图2Picture2硬管的主要失效

22、型式为机械振动引起的疲劳失效，因此当管路较长时，需耍管夹支撑，不仅可以缓冲振动，还可以减少噪音。在有弯管的管路中，在弯管的二端宜管段处要加支撑管夹固定，在与软管连接时，应在硬管端加管夹支撑。管夹间距推荐如图三以及表仁Themajorityoftubelinefailureisfatiguefailurewhichduetomechanicalvibration.WhenthetubelineisIonger,wecanusetubeclampstosupportthesystemProperclampingofthetubecanreducesystemnoise.Recommendedtub

23、eclampspacingasshowninpicture3andform管子外径(mm)管夹间距(mm)A管夹间距(mm)B管夹间距(mm)CTUBEO.D.(mm)CLAMPSPACING(mm)ACLAMPSPACING(mm)BCLAMPSPACING(mm)C6-12.75090010015.9-22.2100120020025.4100150020031.8-381.15()21003004&31502700300Form1钢管总成SteelPipeAssembly钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压1StrongerHydraul

24、ic苏强格液压1钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压- #-钢管总成SteelPipeAssembly钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压1StrongerHydraulic苏强格液压1钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压- #-震动环境jfr:二二二错误Incorrect错误Incorrect曲二二二二简Picture3正确Correct钢管总成SteelPipeAssembly钢管总成SteelPipeAssemblyStrongerHydraulic苏强格液压 StrongerHydraulic苏强格液压 #钢管总