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1、附录氏妓候糌祟彭靡践魈缉诎唉另差译文：鹬氰亓骈防摄瓤叭胩餐缉踞款锔TheopensystemmeritofComputerNumericalControlandNumericalcontrolofproductionequipments逐婀鸵合楮期舆煌顺簇�篪圪官Abstract衾窜澧妄耸捩拙桊吃檩葺亏疝潍Theopensystemmeritisthesystemsimple,thecostlow,buttheshortcomingistheprecisionislow.Thereversegap,theguidescrewpitcherror,stop
2、inferiorlycanaffectthepointingaccuracybymistake.Followingseveralkindofimprovementsmeasuremaycausethepointingaccuracydistinctimprovement.藜橹冕笮璞佰霖褊阂甍嘛唉杲术Thekeyword:numericalcontrol、NC、theopensysterm门抡男嗽玉蒜觎询犯揭策獭毛甑1）reversegaperrorcompensates Thenumericalcontrolenginebedprocessingcut
3、tingtoolandtheworkpiecerelativemotionisdependsuponthedriveimpetusgear,theguidescrewrotation,thustheimpetusworkfloorandsoonmovestheparttoproducemovesrealizes.Astraditionalpartgear,guidescrewalthoughthemanufactureprecisionisveryhigh,butalwaysunavoidablyhasthegap.Asaresultofthiskind
4、ofgapexistence,whenmovementdirectionchange,startsthesectiontimetobeabletocauseinevitablyactuatesthepartwastingtime,appearstheinstructionpulsetopushthemotionlessfunctionalelementtheaspect.Thishasaffectedtheenginebedprocessingprecision,namelytheinstructionpulseandactualentersforthe
5、stepdoesnottally,hastheprocessingerrortherefore,thesplit-ringnumericalcontrolsystemallestablishesgenerallyhasthereversegaperrorcompensatoryfunction,withbymakesupwhichwastestimethestepreversegapdifferencecompensatesisfirstactualreverseentersfortheerror,convertsthepulseequivalentnu
6、mberit,compensatesthesubroutineasthegaptheoutput,whenthecomputerjudgmentappearswheninstructionforcountermotion,transfersthegaptocompensatethesubroutineimmediately,compensatesthepulseaftertheoutputtoeliminatethereversegaptocarryonagainnormallyinsertsmakesupthemovement.2）oftentheva
7、luesystematiccharacteristicpositionerrorcompensates餐送峤礤庐纯忌雎痔俱粕滹桴啐Akindofstorehousebytransfersforthedesigner.Likethisinthecomponentsdesignstage,thedesigneronlymustinputthecharacteristictheparameter,thesystemdirectproductioncharacteristicexamplemodel:Wemustsavetherelatedcharacteris
8、ticclassinthedatabasethestructureinforma
