薄壁支承圈阀座加工方法

:100225855(2008)0520027203:(1962-),,,((),610225);;;:TH134:BMachiningmethodsforthinwalledsupportringseatWANWen-cheng(KTMBallValveMfg.(Sichuan)Co.,Ltd.,Chengdu610225,China)Abstract:Thepaperintroducesthecharacteristicsandmachiningmethodsforthinwalledsupportringseatforballvalves.Keywords:ballvalve;seat;thin-walledparts;processingmethod1,,,,,,,,,2(1),(2),,,,,,23518mm015mm,D23518mm,,,1121127220085(),,,,,,,,A105,1616mm,23518/[(23518-226)/2]=481122229175/[(229175-226)/2]=1221533,D/h=15,3117mm226mm211mm,31,240mm199mm100mm,B,AR,23518mm229175mm,015mm,,229175mm226mm,,,,,2,240mm199mm100mm,B,A1715mm23518mm(3),,A,BD,1616mm1514mm23518mm,B,A203mm20619mm226mm211mm23518mm229175mm,013mm,,,,,P=F/S,F,S,P,,3,,,,,3,,(4),Wz=bh2/6,112131311213141(a)(b)(c)4Wz=b1h126=(23518-226)2351826=45408mm3Wz=b2h226=2351823518-226226=2964mm3max=M/Wz,max2/max1=1513171/15,,3,240mm8220085(5),,,,,1619mm,23518mmA(6),,,BD6,8-2EQS23518mm229175mm,011mm,,6,23518mmD,4715,,90%,1%,,35mm,,23518mm011mm,D23518mm1121314815716151121314715816164,,,,,,,203mm,5,,,,,,,,,,,,,,,,,,,,,,,,,,,,10%20%,,apfap012015mm,011012mm,,,v=6120m/min,,Kr,,s,,Kr=9093,Kr=15,o=1416,o1=15Kr=60,Kr=30,o=1416,o1=68(34)9220085:,1998.2,.MSC.FatigueM.:,2002.3,.nsoftM.:,2007.4,.M.:,2004.5.M.:,2006.6EJMAStandardsoftheExpansionJointManufacturersAssocia2tion,INCEighthEdition2003S.7.D.,.M.:,2007.8JB/T10507-2005,S.9MSSSP117-2006,BellowsSealsforGlobeandGateValvesS.10,.M.:,2007.11PhilipL.Skousen,.M.:,2005.12.M.:,2004.13,.M.:,2006.14,.J.,2008(1):22-24.15,.D.,2007.16,.UJ.,2005(1):9-11.(:2008106106)(25)6DN,mm5065150200300350/min0244056/min0122028Pam3/s113310-5Pam3/s:;1ml16(1),0;,01PTAPX,1.M.:,2002.2ANSI/API602-2005,DN100S.3MSSSP117-2002,S.4JB/T10507-2005,S.5GB13927-92,S.(:2008106115)(29),,5,,,30%80%(),,,,1.M.:,1998.2.M.:,1995.3.M.:,1984.4M.:,1988.5,.M.:,2005.6.M.:,1982.(:2008107117)4320085