,螺栓扭矩計(jì)算,,,,,,,,,,,,,,,,,

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,一.設(shè)計(jì)條件designcondition,,,,,,,,,,,,,,,,,

,序號(hào)NO.,項(xiàng)目Item,,,,,符號(hào)symbol,單位units,管口號(hào),,,,,,,,,

,,,,,,,,,M,"B2~4,R,S,V",C1，C2，H,"L，P,R1",M,N1，R2,R4，R5,T1，T2,W1~4,"W5,W6"

,法蘭數(shù)據(jù)flangedate,設(shè)計(jì)壓力internalpressure,,,,,P,MPa,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6

,,設(shè)計(jì)溫度designtemperature,,,,,T,oC,200,200,200,200,200,200,200,200,200,200

,,x軸向彎矩xaxisbendingmoment,,,,,ML,N.mm,0,0,0,0,0,0,0,0,0,0

,,y軸向彎矩yaxisbendingmoment,,,,,MC,N.mm,0,0,0,0,0,0,0,0,0,0

,,總彎矩totalbendingmoment,,,,,M,N.mm,0,0,0,0,0,0,0,0,0,0

,,徑向載荷radialload,,,,,Pr,N,0,0,0,0,0,0,0,0,0,0

,,螺栓螺母和螺母法蘭面之間的總摩擦系數(shù)totalfrictionfactorbetweenbolt/nutandnut/flangeface,,,,,K,,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15,0.15

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,墊片數(shù)據(jù)gasketdate,外徑outsidediameterofgasket,,,,,O.D,mm,685.8,186,381,92,692,127,270,69.8,278.5,104.5

,,內(nèi)徑innerdiameterofgasket,,,,,I.D,,628.7,110,343,57,641,84,213,52.4,220,61

,,墊片寬度gasketwidth,,,,,N,mm,28.55,38,19,17.5,25.5,21.5,28.5,8.7,29.25,21.75

,,墊片密封基本寬度nominalgasketwidth,,,,,b0,,14.275,19,9.5,8.75,12.75,10.75,14.25,4.35,14.625,10.875

,,比壓力gasketunitseatingload,,,,,y,Mpa,69,70,70,70,70,70,70,70,11,11

,,墊片系數(shù)gasketfactor,,,,,m,,3,4.25,4.25,4.25,4.25,4.25,4.25,4.25,2,2

,,墊片材料在設(shè)計(jì)溫度下的彈性模量modulusofelasticityofgasketmaterialattemperature,,,,,Eg,MPa,3923.3,184600,184600,184600,184600,184600,184600,184600,280000,280000

,,墊片厚度thicknessofgasket,,,,,tg,mm,4.5,4,4,4,4,4,4,4,1.5,1.5

,,有效密封寬度effectivegasketseatingwidth,,,b,,,mm,9.56,11.02801433,7.797983714,7.483840926,9.033906962,8.295159733,9.550540561,4.35,9.675389527,8.343248019

,,墊片反作用位置直徑diameteratlocationofgasketloadreaction,,,,,G,mm,666.68,163.9439713,365.4040326,77.03231815,673.9321861,110.4096805,250.8989189,61.1,259.1492209,87.81350396

,螺栓載荷boltingdate,螺栓數(shù)量numberofbolts,,,,,n,,20,8,16,8,24,8,12,4,8,4

,,螺栓直徑,,,,,,,M33,M20,M30,M16,M39,M20,M24,M20,M20,M16

,,螺紋根徑rootdiameterofthreads,,,,,d,mm,26.211,17.294,26.211,13.835,34.67,17.294,20.752,17.294,17.294,13.835

,,螺紋中徑pitchdiameterofthreads,,,,,dm,mm,27.727,18.376,27.727,14.701,36.402,18.376,22.051,18.376,18.376,14.701

,,螺栓材料在設(shè)計(jì)溫度下的彈性模量modulusofelasticityofboltingmaterialattemperature,,,,,Eb,MPa,197000,205400,205400,205400,205400,205400,205400,205400,205400,205400

,,螺栓截面積cross-sectionalareaofbolts,,,Ab=πd2n/4,,,mm2,10791.63,1879.190368,8633.304221,1202.647064,22657.33398,1879.190368,4058.738255,939.5951838,1879.190368,601.3235319

,,螺母厚度thicknessofnut,,,,,tn,mm,33,20,30,16,39,20,24,20,20,16

,,有效螺栓長(zhǎng)度effectivelengthofbolt,,,,,lb,mm,165,65,105,57,176,65,83,65,80,59

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,二.計(jì)算caculation,,,,,,,,,,,,,,,,,

,,等效壓力Equivalentpressure,,,,,,Mpa,0.60,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6

,,液柱靜壓頭Hydrostaticendforce,,,,,,N,209449.25,12665.78274,62919.8681,2796.321272,214029.4464,5744.542387,29664.61469,1759.233767,31647.61211,3633.8228

,,壓緊力Totaljoint-contact-surfacecompressionload,,,Hp=2bπGmPe,,,N,72074.19,28967.62046,45653.67139,9236.71543,97546.53799,14674.11625,38392.53529,4258.439838,18905.12184,5524.049674

,,螺栓預(yù)緊力Minimunrequiredboltloadforgasketseating,,,Wm2=πbGy,,,N,1381422.05,397594.7906,626619.0191,126778.4471,1338874.051,201409.4388,526956.3667,58449.17424,86648.47508,25318.56101

,,墊片作用的實(shí)際面積actualjoint-contactareaofgasket,,,Ag=2πbG,,,mm2,40041.22,11359.85116,17903.40055,3622.241345,38253.54431,5754.555393,15055.89619,1669.976407,15754.2682,4603.374728

,,墊片的壓縮力decreasingcompressionforceingasket,,,,,,N,152985.16,12523.92469,61659.54679,2725.65922,210871.0248,5618.90297,29241.9064,1693.97298,31595.77447,3624.991583

,,需要的拉伸力initialrequiredtighteningforce,,,Fbo=Hp+ΔF,,,N,225059.35,41491.54515,107313.2182,11962.37465,308417.5628,20293.01922,67634.44169,5952.412818,50500.8963,9149.041257

,,需要的總力totaltighteningforcerequiredtosealjoint,,,"W=max(Fbo,Wm2)",,,N,1381422.05,397594.7906,626619.0191,126778.4471,1338874.051,201409.4388,526956.3667,58449.17424,86648.47508,25318.56101

,,所需扭矩requiredtorque,,,,,,N.mm,287270.2,136991.2851,162883.7395,34945.68657,304610.5825,69395.62213,145248.9355,40277.32597,29854.73209,13957.8062

,,螺栓直徑,M24,24,螺母厚度,,,螺栓直徑,24,,3,200,196,,,,,

,,螺紋根徑,,20.752,,,,溫度,200,,,250,193,,,,,

,,螺紋中徑,,22.051,,,,,,,,,,,,,,

,,,直徑,根徑,中徑,螺母厚度,,螺栓在溫度下的許用應(yīng)力,,,,200,196,,,,,

,,M12,12,10.106,10.863,,,常溫下的許用應(yīng)力,,,,,228,,,,,

,,M14,14,11.835,12.701,,溫度\尺寸,22,24,52,,,,,,,,

,,M16,16,13.835,14.701,,20,210,228,254,,,,,,,,

,,M18,18,15.294,16.376,,100,190,206,229,,,,,,,,

,,M20,20,17.294,18.376,,150,185,199,221,,,,,,,,

,,M22,22,19.294,20.376,,200,179,196,218,,,,,,,,

,,M24,24,20.752,22.051,,250,176,193,214,,,,,,,,

,,M27,27,23.752,25.051,,300,174,189,210,,,,,,,,

,,M30,30,26.211,27.727,,350,165,180,200,,,,,,,,

,,M33,33,29.211,30.727,,400,154,17