数控技术英语知到章节答案智慧树2023年长春汽车工业高等专科学校

数控技术英语知到章节测试答案智慧树2023年最新长春汽车工业高等专科学校第一章测试

Numericalcontrolisdesignedtocontroltheoperationofamachinetoolbyaseriesofcodedinstructionscalledaprogram.

参考答案:

对

Apartprogramisstoredintheformofblocksofinformation,andeachblockhasthenumericaldataneededtomanufactureasegmentofthework-piece.

参考答案:

对

Likeaconventionalmachinetool,theNCsystemcan’treplacethemanualactionsoftheoperatoreither.

参考答案:

错

数字模拟转换器的英语全称是

参考答案:

CentralProcessingUnit

模拟数字转换器的英语缩写是________

参考答案:

ADC

第二章测试

AnimportantadvanceinthephilosophyofNCofmachinetoolswastheshifttowardtheuseofcontrollerunitsinsteadofcomputersinNCsystems.

参考答案:

错

DNCisshortfordirectnumericalcontrol.

参考答案:

对

OneoftheaimsofCNCsystemsistoreplaceasmuchoftheconventionalNCsoftwarewithhardwareaspossible.

参考答案:

错

Thepartprogramcontainsadescriptionofthe_________.

参考答案:

geometry

Severalmachinetoolsaredirectlycontrolledbyacentralcomputer,thisisthe_________.

参考答案:

DNC

第三章测试

AsNCmachinesneedalargecapitalinvestment,weshouldefficientlyusethem.

参考答案:

对

Machiningisthemanufacturinginwhichtheworkerscanremovetheexcessmaterialofapartonamachinetool.

参考答案:

对

Thefeedisdefinedasthedistancethecuttingtoolprojectsbelowtheoriginalsurfaceofthework-piece.

参考答案:

错

____istherelativelateralmovementbetweenthetoolandthework-piece.

参考答案:

Thefeed

EDM（ElectricalDischargeMachining）referstoinChineseterm

参考答案:

电火花加工

第四章测试

Partprogrammersmusthaveasolidknowledgeofmachiningprocessesandknowalotofthecapabilitiesofthemachinetool.

参考答案:

对

NCpartprogrammingincludesthreetasks:thecollectionofalldataneeded,thecalculationofthetoolpathandthearrangementofthosegivenandcalculateddata.

参考答案:

对

Therequireddatacontainedineachlineofthemanuscriptincludesallmachininginstructionsfortransferringthecuttingtoolfromonepointtothenextone.

参考答案:

错

Programmersshould________theparticularNCmachine,itscapabilities,andspecificcodes.

参考答案:

befamiliar

Thecoreof________,however,ispreparationofthemanuscript,itsconversionintoaverifiedtape,andsubsequentediting.

参考答案:

manualprogramming

第五章测试

Neverattempttomachineawork-piecewithoutfirstcheckingtheoperationofthemachine.

参考答案:

对

Beforestartingaproductionrun,it'snotnecessarytoperformatrialrun.

参考答案:

错

Whenusingatoolcompensationfunction,youshouldcheckthedirectionandamountofcompensation.

参考答案:

对

Incorrectoperationmayleadto________.

参考答案:

allright

Beforeoperationthemachine,youshouldreadthecontentsinthe_______.

参考答案:

warninglabels

第六章测试

CNCdiagnosticsupportatpresentincludesfourbasiccategories:start-updiagnostics,

on-linediagnostics,off-linediagnosticsandbackgrounddiagnostics.

参考答案:

错

Start-UpDiagnosticsareadiagnosticroutinethatregularlyoperateautomaticallywhentheCNCisswitchedon.

参考答案:

对

Off-LineDiagnosticsaremanualdiagnosticswhichareintendedforthorough

maintenanceperformedbytrainedtechnicians.

参考答案:

对

Numericalcontrolmachineoperatorssetupandtend________.

参考答案:

CNC

With________basedCNCmachinetoolcontrollers,maintenanceandrepairarenolongeranissue.pc

参考答案:

PC

第七章测试

“Strut-machiningdepartment”means“柱式机床部门”.

参考答案:

对

TheCNCcan‘tsendmessagestothoseusersthatitsWindowsaccountcanaccess.

参考答案:

错

FactoryAutomation(FA)isbecomingthedevelopingtrendoffactories.

参考答案:

对

Byconnecting____tothepersonalcomputerandtheCNC,theprogrammercantransferprogramsfromthecomputertotheCNC.

参考答案:

acable

WhatdoesCADmean?

参考答案:

ComputerAidedDesign

第八章测试

NotonlymostofmajormachinetoolmanufacturersbutalsotheCNCsuppliersofferawidevarietyofend-usertrainingonCNCmachines.

参考答案:

对

DuringtheearlyyearsofhardwiredNC,built-indiagnostictoolsexisted.

参考答案:

错

Theemphasishaschangedfrom"howtofixit"to"howitworks".

参考答案:

错

Thefunctionofdirectcurrentregulatedpowersupplyistoinputanalternatingcurrentpowerof220volts,sothatitcanoutput__________.

参考答案:

directcurrent24voltsvoltage

FANUCcontrolsystemworksundera_________voltsvoltage.

参考答案:

directcurrent24

第九章测试

Althoughtherobotsresemblehumanbeings,theycannotdotheworkofhumans.

参考答案:

错

Scientistsaredevelopinganintelligentrobotthatcan“see”and“touch”andmakedecisionslikehumanbeings.

参考答案:

对

ThetechnologyofrobotsiscompletelythesameastheNCtechnologyineveryway.

参考答案:

错

PC(ProportionalController)referstoinChineseterm

参考答案:

比例控制器

Itisaverybigopportunityforhuman;thechallengeis_______itwisely.

参考答案:

touse

第十章测试

Intoday’saerospaceandaeronauticsindustry,acompleteaircraftmaybedesignedwithoutaCAD/CAMsystem.

参考答案:

错

AdvancedCAD/CAMsystemsincludenotonlysolidgeometrymodelingcapabilitybutalsoNCverificationprograms.

参考答案:

对

Generallyspeaking,aCADsystemisananalytict