开式液体静压导轨静态性能与最佳参数

:1000-5080(2000)04-0043-05:(1966-),,:2000-05-111,2,3(1.,471039;2.,471039;3.,471009):,,,,:,,,-,:;;;:TH133.36:A0,2ý2ý2ý,,2ý,,,W0-Wmax,WmaxW0=m=26;,,,,,22ý11.1[1]:hx=a(1+WxAe)b(PsAeT+Wx-1)1/3(1)aba=c1/3de4/3;b=1;=0;c=364KBLea=c1/3de4/3;b=43;=eAeLeKe;c=364kBLe214Vol.21No.4200012JournalofLuoyangInstituteofTechnologyDec.2000©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=c1/3hc;b=1;=eAeLeKc;c=Dc2kBLea=c1/3hc;b=1;=FhcH3;c=KBLn(DK/dK)(1)hxWx,0=PsAeThx=a(1+Ps0WxT)b(0-1)-WxT1+WxT13(2)1S,hx=40m,ADBBEC,,DBE,,1.2[2,3]W0-Wmax,W0WmaxDE,W0,Wmaxx=PsAeT+Wx,D=1-TAe,(2),hx=a[D+Psx]b(x-1)1/3(3)9hx9x=0,D2x-(3b-1)Psx+3bPs=0(4)x=(3b-1)Ps2D{[(3b-1)Ps2D]2-3bPsD}1/2(5)max=PsAeT=(3b-1)Ps2D+{[(3b-1)Ps2D]2-3bPsD}12min=PsAemT=(3b-1)Ps2D-{[(3b-1)Ps2D]2-3bPsD}12opt=3b3b-1(m+1)(6)Psopt=3b3b-1(m+1)TAe(7)b=43,opt=43(m+1)b=1,opt=32(m+1)1.3WxT=0(WxT)max=0x=1442000©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=C(m+1m-1){[m(cm+c-1)cm+c-m]13b-1}(8)b=43,C=43;b=1,C=322x=hxh0=(1+Ps0WxT)b(0-1)-WxT(0-1)(1+WxT12(9)hx=(1-x)h0(10)Jx=-3Dx120[(0-1)-WxT](1+WxT)-Fd1+Ps0WxT(11)D=PsAeT,T=W0,m=WmaxT;b=43,F=4Ps;b=1,F=3Ps;,m=4;(6)opt=6.6667(8)Ps=1.5772x=(1+0.2538WxT)4/35.6667-WxT5.6667(1+WxT)12hx=(1-x)h0Jx=0.0557Dx11(5.6667-WxT)(1+WxT)-0.14451+0.2358WxTWxT11WxT-101234x1.00000.98661.00380.99990.9431hx000.0134h00.0038h00.0001h00.0569h0Jx01.93D9.12D12.8D6.20D1.43Dm=43,4[4,5],,,,544:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=3.060kN;Wmax=5.895kN;W0=2.715kN;Wmax=7.950kN;W0=3.210kN;Wmax=5.100kN;W0=3.210kN;Wmax=1.1560kN;W0=2.715kN;Wmax=7.950kN;W0=3.060kN;Wmax=4.950kN;,,m=5;Wmin=2.6kN;Wmax=13kN4(1):m=5;W0=2.6kN;Wmax=13kN(2):m=5,opt=9;(8)Ps=2.5975;Fa=7.7925x=1+0.2886WxT8-WxT8(1-WxT)13hx=(1-x)h0Jx=-0.371Dx11(7-WxT)(1+WxT)-0.09621+0.2886WxT22WxT-1012345x1.00000.97820.99361.00491.00000.9696hx00.0218h00.0064h00.0049h000.0304h0Jx01.28D11.62D6.90D23.61D6.92D2.35Dm=5,hmax0.022h0(3)DKdK=4;KB=13.5;C=0.1679;h0=3.510-2mm;Ae=17400mm2,hc=6.3410-2mmPs=32(m+1)TAe=326260017400=1.3448MPa;=PsPs=2.5975/1.3448=1.9315=FhcH3,F=1.6mm6/NH=(Fhc)13=(1.61.93156.3410-2)=2.3553mm=2.35-0.05mm:2.55(1),m=26,(2),,642000©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)2ý,(4):[1],.[J].,1998,19(4):2528.[2].[R].,1974.[3].[J].,1981,(1).[4].[A].[C].1987.[5]StansfieldFM.HydrostaticBearingsforMachineTools&SimilarApplications[M].MachineryPublishingCoLtd,1970.StaticCharacteristicsofOpenHydrostaticSlidingWayandItsOptimumParametersMENGZhao2Yan1,MENGXin2Zhai2,CHENShu2Qian3(1.LuoyangShuixinCo.,Luoyang471039,China;2.Dep.ofMech.&Electr.Eng.,LuoyangInst.ofTechnol.,Luoyang471039,China;3.Tech.Centre,LuoyangGlassCo.Ltd.,Luoyang471009,China)Abstract:Openhydrostaticslidingwayforsupportingunidirectionalloadshasmanyadvantageshighmovementaccuracy,lowfrictionpowerconsumptionandlongworkinglife.Butcurrentlytheyhaventmanyapplicationsinpracticecluetotheinferiorperformanceoftraditionalrestrictor,incorrectchoiceofthrottlingparametersandinaccurateworkingsurfacesofslidingway.Thispaperalsointroducedothertwocharacteristicsofhydrostaticslidingway.Itsclearanceisnotrestrictedanditcanstandheavyloads.Thiskindofslidingwaycangetconstantclearanceunderheavyloadsafternewtypeofvariablerestrictorandoptimalthrottlingratiohavecarefullybeenselected.Keywords:Newtypeofvarablerestrictor;Optimalthrottlingratio;Openhydrostaticslidingway;Staticcharateristic744:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.