热压机几种液压系统方案的优化设计

200781604Diamond&AbrasivesEngineeringAug.2007Seria.l160No.4:1006-852X(2007)04-0081-02李姝霞唐立新(,450001),:(1);(2),1/2;(3),2;(4):,;;TH6AOptimaldesignofhydraulicsystemofsinteringmachineLiShuxiaTangLixin(ZhengzhouGoldenHighwayCo.,Ltd,Zhengzhou450001,China)AbstractThermalpressisakindofcommonlyusedequipmentfortheproductionofdiamondtools.Theperformancesofitshydraulicsysteminfluencegreatlythecharacteristicsofdiamondtools.Thispapercomparedtwomethodsofhydraulicsystemand,baseduponthem,anewhydraulicsystemwasdesigned.Thenewhydraulicsystemhasthefollowingcharacteristics:(1)savingenergy;(2)thepressureofbackliquidislowandishalfoftheformer;(3)thespeedisrapidandis2timesoftheformer;(4)fittingmanykindsoftechniques.Atlast,itissuggestedthattheflowallowanceofdirectionalvalveshouldbeabovethemaximumofthesystem,andtheratedpressureofpumpshouldbehigherthanthemaximumpressureofsystem.Keywordsthermalpress;hydraulicsystem;optimaldesign0,,,,ABC1ABA,,,;,;,,;,,,,A,B,,,,A,,,,,1B,,,,,:80L/min,/=1.4,2.04,802.04=163L/min,163L/min,100L/min,1601,,2.8MPa,2.5MPa,1.2,,,,,(),,:1.,;2.3.,4.,,2C,,,,100L/min,,,,,,,,,,,,,,6.3MPa,(1):,p12MPaF30T,D=4Fp=178mm,,,D=180mm8029=2.76,d=D-1=143,,,d=140mm(2)Qp:Qp=KQ=KAv=48.7L/min,,K,A,v29mm/s,YB1-50,48L/min,6.3MPa:3MPa,P=pq=3.5kW:31mm/s,79mm/s,C,:31mm/s33mm/s80mm/s1.1MPa4.8MPa1.8MPa,,,C3,,,,C,:1,,23,[1].,5[M].:,2000,6[2],.[M].:,1992,5李姝霞,女,1971年生,毕业于河南农业大学机电工程学院,现在郑州金海威科技实业有限公司从事金刚石专用设备的研制与开发工作唐立新,男,1967年生,毕业于郑州工学院,在郑州金海威科技实业有限公司从事金刚石专用设备的研制与开发工作:2007-06-11(:王琴)82