ea,inthetraditionalmanufactureidea,puter.Underthenewstandard,,workeddevelopmentofnumericalcontroltechnology.Secondly,STEP-NCnumericalcontrolsystemcanalsoreduceandprocessthedrawing(about75%),processtheproceduretoworkoutthetime(about35%)andprocessthetime(about50%)greatly.?Atpresent,American-EuropeancountriespaymuchattentiontotheresearchofSTEP-NC,EuropeinitiatesIMSplan(1999.1.1-2001.12.3)ofSTEP-NC.20CAD/CAM/Cusers,anizationsfromEuropeandJapanparticipatedinthisplan.panyofU.S.A.isadeveloperofthedatainterchangesoftwareofmanufacturingindustryintheglobalrange,hehasalreadydevelopedthesupermodel(SuperModel)oolingbycounting,itsgoalistodescribeallprocessingcourseswiththeunifiednorm.SuchnewdatainterchangeformhasalreadybeenverifiedinallocatingtheSIEMENS,FIDIAandEuropeanOSACA-NCnumericalcontrolatpresent.
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