窄面整体法兰计算

××0.368621.2815670mm最小螺栓间距(查GB150表9-3)许用应力法兰小端有效厚度δ016MnM0=MP或Ma×(二者中的大者)=240592945预紧情况下法兰的力矩5388164N1.21016mm形状常数0.2826mm19906520126.211mm螺距P颈锥高度h42mm螺栓孔直径db螺纹小径di螺栓材料36.9449mm垫片最小有效密封宽度：11.7932mm预紧情况下法兰的力臂30mm实际垫片有效密封宽度bmm最大螺距231.429垫片最小宽度满足预紧要求。螺杆直径d0法兰受力计算螺栓数量n=螺栓直径和分布满足要求,法兰最小尺寸满足要求。33mm25900mm2实际螺栓面积5388164N206MPa30mm预紧情况下法兰的受力48个3.5mm螺栓直径螺栓中心圆直径Db1155mmN209625722mm34mm大端有效厚度δ1螺栓35CrMoA操作状态最小垫片压紧力178需要螺栓面积操作状态螺栓载荷228MPa2096257N许用应力178MPa预紧状态最小垫片压紧力预紧状态螺栓载荷MPa729133Nmm2N21364实际螺距75.59N查图9-3F1=查图9-4V1=查图9-7f=MPa44010243671891流体压力引起的总轴向力b012.5法兰内径Di1004mm当b06.4时法兰材料b8.9449材料mm10494.5当b0≤6.4时b=b0160℃外径Ddo×内径Ddi×厚度δg接触宽度ω=N垫片压紧力作用中心圆直径DG1081.11mm垫片mm1099mm缠绕垫25操作力矩：240592945m设计温度Tc3.00腐蚀裕量Cy法兰外径Do12152.0mm6956.2225mm28398832设计条件计算压力pc4.0MPamm729133N36.9449力矩力臂mm0.00592T=1.834855.30584Z=0.88049505116N11.3032操作情况下法兰的受力mm58.5U=3166776N1.9E+082.7E+07148.62mmmmY=查表9-5垫片及螺栓计算10.28591.54545tbbtff5.05.0arcsin1ifiRDcGpDF2785.0ybDWGa14.3tbpmFFA/11ctgFFDrlLfr1cos22GGGLFMTTTLFMrrrLFMfifotffiificDDDRDpL8422GFaLFMfififofifaaDDDDDMJfo2LJLpfpafaJpGFFGbGDDL5.0WFGGbGDDL5.0mmN·mmN·mmN·mmN·mmN·fifofifofitfppDDDDDMJtbbtfffBdtf053.2bbcGpbmpDF28.6ybDWGa14.3tbpmFFA/1bbmAAW5.0tbbtfftbpbamWWA,maxnddAib20,min4BdppFFWcGpDF2785.0byDFGa14.3mmN·yDbbb2AbminnDLbGFaLFMWFGGbGDDL5.0ciDpDF2785.0DDDLFMDTFFFmmN·TTGGDDpLFLFLFMminL15.0ADLLGATLLL15.0mmN·ftf00iDhiDDK00hh0101hFe5.062maxmdLfB＝178径向应力MPaMPa178MPa178综合应力MPa136.48091135.2227131.60046930.79659274.42871773.96214473.512784切向应力MPa校核合格校核合格法兰校核结果校核合格137.7487232.427892应力计算许用值轴向应力MPa267MPa假设法兰厚度10010110222057170.86788710.86788710.86788711.59244541.59244541.59244541.3490040.45336720.46710471.78992721.79782651.8057258201.06873198.99967196.932641.32125431.33499180.481117f20011hVUd11e13/4efT/13/df＝tf＝tf＝tf)5.2,5.1min(tntf))(5.0),(5.0max(THRHi21oHDfMi2f0R)133.1(DMefRi2f0TZDYMtn8.02lDWi1lDWip2tn8.01dBLALeLmin122016321624183820302046223224522434265627382862La304430703618368042564290486048102567055116dBLALeLmin3041.53075.59457dBLALeLmin403070实际尺寸最小尺寸Di================0.28261.5455===============================mm=mm=mm=mm=mm================6632008.09311863-10.1202924.120983532.324122940.63220556-0.75516560.006277069.50014715-13.2357513.5996652175.23213559.373789521004148.6203220.545454550.278590950.378787880.14664502=5.399472991.28156195342242=0.8804943=2.76240455=0.368616=========================C20C36==C36/4==-3.4563423-52.691264.73350886-14.40465-0.2639086-6.59370241.98059574-1.7388504-1.7873923-0.01423630.008136612.40736421-1.06060381.7863283-0.07584280.04075857-0.0654315-0.13557524.215096760.07526628-0.0359224-0.5137203-38.2769150.3581305132.911586525.0555773-34.9142679.487932050.06688876