數(shù)控機(jī)床改造畢業(yè)論文外文翻譯_第1頁
已閱讀1頁，還剩19頁未讀， 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、外文翻譯外文翻譯——原文部分原文部分TheNumericalControlEngineBedTransfmsHarveyB.MackeyFirstnumericalcontrolsystemdevelopmentsummarybriefhistytendencyIn1946thefirstelectronicaccountingmachinewasbninthewldthisindicatedthehumanitycreatedhasb

2、eenpossibletostrengthenpartiallytoreplacethementallabthetool.Itwiththehumanitythesewhichintheagriculturetheindustrysocietycreatedonlyisstrengthensthephysicallabthetooltocomparegotupthequantitiveleapenteredtheinfmationsoc

3、ietyfthehumanitytolaythefoundation.After6yearsin1952computertechnologyappliedtotheenginebedthefirstnumericalcontrolenginebedwerebninUS.Fromthistimeonthetraditionalenginebedhashadthearcherytargetchange.Sincenearlyhalfcent

4、urythenumericalcontrolsystemhasexperiencedtwostagessixgenerationofdevelopment.1.1Numericalcontrol(NC)stage(1952~1970)Theearlycomputeroperatingspeedislowwasnotbigtothensciencecomputationthedataprocessinginfluencebutcouldn

5、otadapttheenginebedrealtimecontrolrequest.Thepeoplecannotbutusenumerallogiccircuit“tobuild“tobecomeanenginebedspecialpurposecomputertotakethenumericalcontrolsystemiscalledthehardwareconnectionnumericalcontrol(HARDWIREDNC

6、)JianChengweinumericalcontrol(NC).Alongwiththeprimarydevicedevelopmentthisstagehashadbeenthroughrepeatedlythreegenerationsnamely1952firstgenerationofelectrontube1959secondgenerationoftransist1965thirdgenerationsmallscale

7、integrationelectriccircuit.1.2Computernumericalcontrol(CNC)stage(in1970~present)In1970thegeneralminicomputeralreadyappearedthemassproduction.Thereupontransplantsittakesthenumericalcontrolsystemthecepartfromthistimeonente

8、redthecomputernumericalcontrol(CNC)thestage(“whichshouldhavecomputerinfrontofthegeneral“twoacterstoabbreviate).In1971Americantheacteristicthemenumericalcontrolsserialproductionfactycanstepontothispath.UsesPCmachinetotake

9、atleastitsfrontendmachineprocessesthemanmachinecontactsurfacetheprogrammingtheassociationQuestionsooncrespondenceundertakesthenumericalcontroldutybytheiginalsystem.PCmachinehasthefriendlymanmachinecontactsurfacewillpopul

10、arizetoallnumericalcontrolssystem.Thelongdistancecommunicationthelongdistancediagnosistheservicewillbemecommon.1.3.2approachesthehighaccuracydevelopmentThisisadaptstheenginebedtobehighspeedthehighaccuracydirectionneedtod

11、evelop.1.3.3developstotheintellectualizeddirectionAlongwiththeartificialintelligenceinthecomputerdomainunceasingseepagethedevelopmentthenumericalcontrolsystemintellectualizeddegreeunceasinglywillenhance.(1)appliestheadap

12、tivecontroltechnologyThenumericalcontrolsystemcanexamineintheprocesssomeimptantinfmationtheautomaticcontrolsystemrelatedparameterachievestheimprovementsystemrunningstatusthegoal.(2)introducestheexpertsysteminstructionpro

13、cessingTheskilledwkerexpertsexperiencetheprocessinggeneralrulethespecialrulesteinthesystemtakethecraftparameterdatabaseasthestruttheestablishmenthastheartificialintelligencetheexpertsystem.(3)introducesthebreakdowntodiag

14、nosetheexpertsystem(4)intellectualizednumeralservodriveMaythroughtheautomaticdiagnosisloadbuttheautomaticcontrolparametercausestheactuationsystemtoobtainthebestmovement.Secondenginebednumericalcontroltransfmationnecessit

溫馨提示

  • 1. 本站所有資源如無特殊說明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫僅提供信息存儲(chǔ)空間，僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論