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1、中石北京数控技术第一次在线作业AssignmentThefirstquestionisusedtoselecttheYZplaneYouranswer:CSubjectscore:0.5Score:0.5Annotation:processingplaneselectioninstructionSecond,theGOOinstructionisnotthesameasthefollowinginstructionsYouranswer:DSubjectscore:0.5Score:0.5Ann
2、otation:interpolationcontinuedeffectinstructionThirditem()doesnotbelongtopointcontrolNCmachinetoolYouranswer:DScore:0.5Annotation:classificationofNCmachinetoolsaccordingtothemovingtrackThefourthinstructioncodeusedtospecifyfeedspeedis()Youranswer:ASub
3、jectscore:0.5Score:0.5Annotation:feedspeedinstructionThefifthaxisoftherevolutionthatrotatesaroundtheXaxisis0Youranswer:ASubjectscore:0.5Score:0.5Annotation:rotatingaxisofmachinetoolInthesixthquestionauxiliaryfunction,theinstructionforunconditionalpro
4、grampauseis()Youranswer:AScore:0.5Comment:programpauseinstructionSeventh,intheNCmachinetoolcoordinatesystem,theaxisoftheparallelmachinetoolspindleis()Youranswer:CSubjectscore:0.5Score:0.5Annotation:linearcoordinateaxisofmachinetoolIntheeighthquestion
5、,theroughmachiningofthecontourisdonewithatoolof12,requiringamarginof0.4,andtheoffsetofroughingis()Youranswer:CSubjectscore:0.5Score:0.5Annotation:toolradiuscompensationTheninthquestion,accordingtoISOstandard,NCmachinetoolsinprogrammingusing()RulesYou
6、rdnswer:BSubjectscore:0.5Score:0.5Annotation:linearcoordinateaxisofmachinetoolThetenthitemisclassifiedaccordingtothecontroltrajectoryofmachinetoolmovement,andthemachiningcenterbelongsto()Youranswer:CSubjectscore:0.5Score:0.5Annotation:classificationo
7、fNCmachinetoolsaccordingtothemovingtrackTheeleventhquestioniscorrect,butatthetimeofexecution,alltheXmovementdirectionsareoppositetotheprogramorigin.Whichofthefollowingreasonsismostlikelytobeused?Youranswer:BSubjectscore:0.5Annotation:linearcoordinate
8、axisofmachinetoolTwelfthCNCmachinetools,aftertheboot,mustbezeroreturnoperation,sothatX,Y,Zcoordinateaxismovementbackto()Youranswer:ASubjectscore:0.5Score:0.5Annotation:machinetoolcoordinatesystemThethirteenthroundmachininginstructionsare()Youranswer:
