數(shù)控專業(yè)畢業(yè)設(shè)計外文翻譯---數(shù)控系統(tǒng)發(fā)展簡史及趨勢

1、附錄NumericalcontrolsystemdevelopmentbriefhistytendencyIn1946wasbninthewldthefirstelectronicaccountingmachinethisindicatedthehumanitycreatedhasbeenpossibletostrengthenpartiallytoreplacethementallabthetool.Itwiththehumanity

2、thesewhichintheagriculturetheindustrysocietycreatedonlyisstrengthensthephysicallabthetooltocomparegotupthequantitiveleapenteredtheinfmationsocietyfthehumanitytolaythefoundation.After6yearsnamelyin1952thecomputertechnolog

3、yappliedontheenginebedwerebnthefirstnumericalcontrolenginebedinUS.Fromthistimeonthetraditionalenginebedhashadthearcherytargetchange.Sincenearlyhalfcenturythenumericalcontrolsystemhasexperiencedtwostagessixgenerationofdev

4、elopment.Theearlycomputeroperatingspeedislowwasnotbigtothensciencecomputationthedataprocessinginfluencebutcouldnotadapttheenginebedrealtimecontrolrequest.Thepeoplecannotbutusenumerallogiccircuit“Builds“Becomesanenginebed

5、specialpurposecomputertotakethenumericalcontrolsystemiscalledthehardwareconnectionnumericalcontrol(HARDWIREDNC)iscalledfthenumericalcontrol(NC).Alongwiththeprimarydevicedevelopmentthisstagehashadbeenthroughrepeatedlythre

6、egenerationsnamely1952firstgenerationofelectrontube1959secondgenerationtransist1965thirdgenerationsmallscaleintegrationelectriccircuit.To1970thegeneralminicomputeralreadyappearedthemassproduction.Thereupontransplantsitta

7、kesthenumericalcontrolsystemthecepartfromthistimeonenteredthecomputernumericalcontrol(CNC)thestage(“whichshouldhavethecomputerinfrontofGeneral“Twoactershaveabbreviated).To1971surfaceprogrammingwkingcrespondenceundertakes

8、thenumericalcontroldutybytheiginalsystem.PCmachinehasthefriendlymanmachinecontactsurfacewillpopularizetoallnumericalcontrolssystem.Thelongdistancecommunicationthelongdistancediagnosistheservicewillbemecommon.2.approaches

9、highspeedthehighaccuracydevelopmentThisisadaptstheenginebedtobehighspeedthehighaccuracydirectionneedtodevelop.3.developstotheintellectualizeddirectionAlongwiththeartificialintelligenceinthecomputerdomainunceasingseepaget

10、hedevelopmentthenumericalcontrolsystemintellectualizeddegreeunceasinglywillenhance.(1)appliestheadaptivecontroltechnologyThenumericalcontrolsystemcanexamineintheprocesssomeimptantinfmationtheautomaticcontrolsystemrelated

11、parameterachievestheimprovementsystemrunningstatusthegoal.(2)introducestheexpertsysteminstructionprocessingTheskilledwkerexpertsexperiencetheprocessinggeneralrulethespecialrulesteinthesystemtakethecraftparameterdatabasea

12、sthestruttheestablishmenthastheartificialintelligencetheexpertsystem.(3)introducesthebreakdowntodiagnosetheexpertsystem(4)intellectualizednumeralservodriveMaythroughtheautomaticdiagnosisloadbuttheautomaticcontrolparamete

13、rcausestheactuationsystemtoobtainthebestmovement.SecondtoourcountrynumericalcontroltechnologyitsindustrialdevelopmentbasicestimateOurcountrynumericalcontroltechnologystartin1958thenear50yeardevelopmentcourseapproximately

14、mightdivideinto3stages:Firststagefrom1958to1979namelyenclosedtypedevelopmentphase.Inthisstageasaresultoftheoverseastechnicalblockadeourcountryfoundationconditionlimitthenumericalcontroltechnologydevelopmentisslow.Theseco

15、ndstageisinthecountry“65““75“theperiodaswellas“85“theearlierperiodnamelytheintroductiontechnologythedigestionabsptioninitiallyestablishesthedomesticproductsystemstage.Inthisstageasaresultofrefmopenpolicythenationalvaluea