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17920079ChinaMetallurgyVol.17,No.9September2007:(19702),,,;E2mail:45650@baostem.com;:2007205229(,201900):,,,;:;;;:TG333.2+1:A:100629356(2007)0920047204TechnicalModificationofTransmissionSystemofCrankFlyingShearSetXUHui2qin(BaosteelMachineryPlant,ShanghaiBaosteelEquipmentMaintenanceCoLtd,Shanghai201900,China)Abstract:Thechangeofproductionofthebarsteelplantrequiresthattheflyingshearsetismodifiedindependent2ly.Themodificationshouldmeetthedemandforthetechnologychange,reducingtheimpactonthemainoperatinglineandloweringthecostofmodificationasmuchaspossible.Intensityoforiginalmainbodyofflyingshear,shearingstructureandgearboxwasanalyzedandcalculatedtobemodifiedbysalvaging.Theelectricmotor,cou2pling,flywheel,gearpairandbearingweremodifiedbydesigningnewproduct.Themodifiedflyingshearsetmeetsthedemandforproductiontechnique.Keywords:flyingshear;transmissionsystem;strengthchecking;technicalmodification2080,,,,,,1,122,30,,:2222;;100mm100mm145mm145mm,165mm;1.89MN(145mm145mm9kg/mm2),;20mm,900,k=1.031.05,=120o150o;3.897,425mm:850kW(2)600V1600A250r/min;100%250%1min,250%1600A,1Fig.1Schematicplanofcrankflyingshearset100%250%10s300%2,,:,;,,1-(23144W33C-C3);2-;3-;4-(22252W33C-C3);5-(MT-CCA250);6-(23244W33C-C3);7-;8-;9-MT2CCA285;10-2Fig.2Structureoforiginaltransmissionsystem,,,,2:;8417145mm145mm147mm147mm;1.89MN2.00MN;:;;147mm147mm,900;k=1.031.05,,;=120o150o,;31897,425mm,20mm,10000kgm2(),2.00MN;(5100mm19400mm),;2222;1000kW(2)0250r/min3950,4h,200t,,,,1,,,;;,;,33.11.89MN2.00MN,,1-;2-(240144cc/w33/c3);3-;4-;5-(24064CC/W33);6-(GL15);7-(23156CC/W33);8-;9-;10-;11-3Fig.3Structureofmodificationtransmissionsystem,,,,,,1000kW(2),,22,,3.2,(105kNm),300mm,;(150kNm),25%180kNm42CrMo,260280HBS,550HV,0.5mm6140180kNm,,949:25mm,4,8;45,,;T8A,5060HRC;,,132mm3.38976926614kgm21000010500kgm2(2),1313%,,447112kgm2,641.6kgm23.4,1188,;1105,,;,,,,,,,17CrNiMo65660HRC,3.03.9mm,3540HRC,;;,,,;,,,,,;,,,,3.5,SKF,23244W33C2C323156CC/W33;22252W33C2C324064CC/W33;23144W33C2C324140CC/W334,,20,,,:[1].2[M].:,2002.[2].[M].:,1980.(29)[4]HidekiOno2Nakazato,ToshinariYonezawa,TateoUsui.EffectofWater-GasShiftReactiononReductionofIronOxidePowderPackedBedWithH22COMixtures[J].ISIJIn2ternational,2003,43(10):150221511.[5].[M].:,2002.0517