heidenhain五坐标编程chap12

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1、HeidenhainConversationalProgrammingPocket,Stud&SlotMillingcyclesTheTNCoffers9cyclesforalltypesofMillingoperations.CycleSoftkey4-PocketMilling(rectangular)Roughingwithoutautomaticpre-positioning.212-PocketFinishing(rectangular)Finishingwithautomaticpre-positioningand2nd

2、setupclearance.213-StudFinishing(rectangular)Finishingwithautomaticpre-positioningand2ndsetupclearance.5-CirclePocketMilling-Roughingwithoutautomaticpre-positioning.214-CircularPocketFinishing-withautomaticpre-positioning&2ndsetupclearance.215-CircularStudFinishing-wit

3、hautomaticpre-positioning&2ndsetupclearance.3-SlotMilling-Roughing/finishingcyclewithautomaticpre-positioning&verticaldownfeed.210-Slotwithreciprocatingplungecut-Roughing/finishingcyclewithautomaticpre-positioning&reciprocatingplungemilling.211-CircularSlot-Roughing/fi

4、nishingcyclewithautomaticpre-positioning&reciprocatingplungemilling.HeidenhainConversationalProgrammingLinearPocketMilling(Cycle4)1)Thetoolpenetratestheworkpieceatthestartingposition(pocketcentre)andadvancestothefirstPECKINGDEPTH.2)Thecutterbeginsmillinginthepositiveax

5、isdirectionofthelongerside(onsquarepockets,alwaysstartinginthepositiveYaxis)andthenroughsoutthepocketfromtheinsideout.3)Thisprocess(1-3)isrepeateduntiltheDEPTHisreached.4)Attheendofthecycle,theTNCretractsthetooltothestartingposition.NOTE:Programapositioningblockforthes

6、tartingpoint(pocketcentre)intheworkingplanewithRADIUSCOMPENSATIONRO.Programapositioningblockforthestartingpointinthetoolaxis(SET-UPCLEARANCEabovetheworkpiecesurface).Thesign(+or-)forthecycleparameterMILLINGDEPTHdeterminestheworkingdirection.Thiscyclerequiresacentrecutt

7、ingendmillorapilotholedrilledpriortothePocketmillingcycle.ÞSETUPCLEARANCE-(Incremental)Distancebetweentooltip(atstartposition)andworkpiecesurface.ÞMILLINGDEPTH-(Incremental)Distancebetweenworkpiecesurfaceandbottomofthepocket.ÞPECKINGDEPTH-(Incremental)Infeedpercut.Thet

8、oolwilladvancetotheDEPTHinonemovementif:a)thePECKINGDEPTHequalstheTOTALHOLEDEPTH.b)thePECKINGDEPTHisgreaterthantheMIL