磨料水射流切割特性分析及模型建立

*1,2,2(1.,010062;2.,010062):结合磨料水射流工艺特点,分析了切割质量的各种情况,并采用通用旋转组合实验设计方案,对切割性能影响较大的工艺参数建立了半经验模型,以满足工程需要,为磨料水射流切割工艺参数选择切割质量以及提高切割效率奠定了基础:磨料水射流;切割工艺;表面质量;数学模型:TP69:A:1003-0794(2008)05-0029-03AbrasiveWaterJetCuttingCapabilityAnalysisandCuttingModelHUANGYong-ju1,CHILu-xin2,CENHai-tang2(1.ShenhuaGroupPinggouCoalMine,Wuhai010062,China;2.CollegeofMechanicalInnerMongoliaUniversityofTechnology,Huhhot010062,China)Abstract:Thecuttingqualityisdiscussedbasedonabrasivewaterjetcuttingtechnologycharacteristics,andthegreaterimpactcuttingprocessparametersemi-empiricalmodelisestablishedbyacommonrotationexper-imentaldesign,tomeettheneedsofthemanufactory.Itprovidesthefoundationforthecuttingprocessparame-terselection,andforimprovingthequality,enhancingthecuttingefficiency.Keywords:abrasivewaterjet;cuttingprocess;surfacequality;mathematicalmodel11.1切割过程,,,1,,,h,,,,,,,,11.2存在问题,,,,,*(200711020709),:(1),,,2(a),,2(b)(2),,,(3),,,,,,,,,,2(c)22(1)(2)2929520085煤矿机械CoalMineMachineryVol29No5May.2008,,,(3),,11v(x1)mmmin-1L(x2)/kgmin-1H(x3)/mmZ2j:+r500.18060Z0j+j:+1430.16550Z0j:0320.14040Z0j-j:-1210.13030Z1j:-r140.1202033.1实验结果,22x0x1x2x3x1x2x2x3x1x3x21x22x23Ra1111111111115.22111-11-1-11116.0311-11-11-11117.3411-1-1-1-111111051-111-1-11111961-11-1-11-11113.571-1-111-1-111113.681-1-1-11111118.991-1.628000002.828004.11011.682000002.828009.11110-1.682000002.828013.512101.682000002.82808.213100-1.682000002.8286.3141001.682000002.82818.51510000000004.81610000000005.31710000000005.21810000000005.41910000000004.92010000000005.0B173.821.91-25.01547.22043.96.32.7120.83144.868153.6343.2实验结果分析(1),,3Ra=50938+16042V-18315L+34573H+04875VL+07875LH+03375VH+05710V2+206515L2+2621H22F,F1=47143F005(5,5)=505,,,,F2,F2=27722F0001(9,10)=896,,,,,T,,,,,2(2),20,Ra1=50938+16042V+05710V2Ra2=50938-18315L+206515L2,,33123,(-1682,0),;(0,1682),(3),,dRadV=16042+1142VdRadL=-18315+41303L4,,30Vol29No5,295,,41233模型的MATLAB验证Matlab,,,25mm,5,,5,656m,,,33%,3225%,21%;,,,64(1):,,(2),,,,,,,:[1],,,.[M].:,1998.[2],,.[J].,2005(7):869-871.[3],.[J].,2006(2):1-3.[4]CMa,RTDeamAcorrelationforpredictingthekerfprofilefromabrasivewaterjetcutting[J].ExperimentalThermalandFluidScience,2006(30):337-343.[5]Jan,MilanExperimentalanalysisofirregularitiesofmetallicsurfacesgeneratedbyabrasivewaterjetInternationalJournalofMachineTools&Manufacture,2007(47):1786-1790.[6],,,.[J].,2005(5):117-120.:(1969-),,,:2007-12-1820061,1198028,1,20082919801~2119811~6219821~6319831~6419841~6519851~6619861~6719871~6819881~6919891~121019901~121119911~61219921~61319931~61419941~61519951~61619961~61719971~61819981~121919991~122020001~122120011~122220021~122320031~122420041~122520051~122620061~122720071~122820081~122931295,Vol29No5