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ThisinstructablewillshowyouhowIbuiltmyCNCrouter.Ihopeyoucandrawsomeinspirationfrommybuildandthatthisinstructablewillbehelpfulforyourfutureprojects.ThisinstructableshowsallthestepsIwentthroughindesigningandbuildingthisCNCrouter.

ThemainthingIlikeaboutaCNCrouter,isthatitissoversatile.Youcanuseitasadrillingmachine,arouter,asaw,amillandevenasalathe.Becausemyworkshopisverysmall(itsmorelikeashed),Ididnthavetheroomforallofthesetools,butIstillwantedtobeabletomakeveryprecisepartsfordifferentprojects.ThatswhyIstartedtothinkaboutbuildingaCNCrouter.

AfterdoingsomeresearchIdecidedtodesignandbuildmyownmachine.Ittookmyalmost6monthstobuildanddesignthemachinefromstarttofinish.Beforestartingtheactualdesigningofthemachine,Ididalotofresearchontheweb.Irecommendtakingalookatthefollowingwebsites:cncroutersource.com(http://cncroutersource.com)andcnczone.com(http://cnczone.com).ThesewebsiteswillprovideyouwithatonofinformationandanswermostofyourquestionsonCNCrelatedtopics.

Pleasenote:IbuiltthisCNCrouterasfinalprojectforschool(alsocalled'profielwerkstuk'intheNetherlands).WhenIstartedthebuild,Iwas16yearsoldandIfinisheditwhenIwas17.AlthoughIhavedoneacoupleoflargerprojectsinthepastandhavebeendoingFTCrobotics(http://USfirst.org)forthelastfewyears,IdidnthavethatmuchexperiencewithbuildingCNCmachines.ThismachineactuallyisthesecondCNCmachineIbuilt.Thefirstonewasawoodentestmachine,whichIbuilttogainsomeexperienceandlearnmoreaboutCNCmachines.Itriedtobuiltthismachineasgoodaspossible,withthetools,theknowledgeandthebudgetIhadatthetime.IthinkthemachinecameoutprettyniceandIhopeyouenjoyreadingaboutit.

Step1:Thedesign

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Beforestartingtobuildamachine,youwillalwayshavetomakesomesortofadesign.Sometimesitonlyhastobesomesketchesonapieceofpaper,butforthismachineamoreprecisethreedimensionaldrawingwasrequired.Imademydesignusinggooglesketchup(http://www.sketchup.com/).Googlesketchupisafreecadprogram,whichyoucandownloadfromtheweb.Ifounditwasveryeasytoworkwith,althoughIhadneverworkedwithacadprogrambefore.Youwontbeabletodrawascomplicateddesignsasyoucan,byusingotherprogramslikeAutocad(http://www.autodesk.nl/products/autodeskautocadlt/overview),butformypurposesitworkedjustfine.Mymaingoalwastogetalloftheproperdimensionsformyparts,sothatIcouldorderthemonline.Iwantedtoseeifallofmypartsweregoingtofittogether.Becausethemachineconsistsofalotofmovingparts,Iwantedtomakesurethatnothingwouldhitoneanotherwhilerunningthemachine.WhenIstarteddesigningthemachineIalreadyhadsomepartslikethelinearrailsandtheballscrews.Iboughtthesefromsomeonewhohadbuiltatestmachineforhiswebshop.Iusedthesameelectronicsforthismachine,asIusedforthewoodentestmachineIhadbuiltearlier.

Thesearethebasicdimensionsandpartsusedforthemachine:OveralldimensionsX:1050mmY:840mmZ:400mmTravel

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X:730mmY:650mmZ:150mm

Motors:Nema233Nm(https://impulsecnc.nl/nl/webshop/stappenmotoren/nema233nmdetail)Controllers:LeadshineM542V2.0(https://impulsecnc.nl/nl/webshop/stepperdriver/leadshinemdrivers/leadshinem542v20detail)Spindle:KressFME800(http://damencnc.com/nl/gereedschappen/kress/kressfreesmotoren/42)Linearrails:X:Sbr20Y/Z:Sbr16Ballscrews:X/Y:16mm5mmpitchZaxisdrivescrew:M10withhomemadedelrinnutAluminumprofiles:30/60mmMisumi(http://us.misumiec.com/)100mmAluminumplates:15mmthickCAD/CAMsoftware:CamBamControllersoftware:Mach3

Themachineisalmostentirelybuiltfrom15mmthickaluminumplateand30x60mmaluminumextrusions.IbuiltthisCNCrouterusingaverylimitedamountoftools.ThemaintoolsIusedwereadrillpressandalathe.BecauseIdidnthavetherighttoolstocutthealuminumplatestosize,Idesignedthemachinearoundstandardsizesandorderedtheplatesonline,alreadycuttolength.ThealuminumextrusionsIusedwerealsocuttolengthandIorderedthesefrommisumiEurope(http://www.misumieurope.com/start.aspx?lang=EN).

WhendesigningaCNCrouteritishelpfultoaskyourselfacoupleofquestions.HereyouwillfindthedesignprocessIwentthroughformyCNCrouter.

WhattypeofCNCrouterdoyouwanttobuild?TherebasicallyaretwotypesofCNCrouters:themovingtabledesignandthemovinggantrydesign.MovingtablestyledesignsareoftenusedforsmallersizeCNCrouters.Theyareeasiertoconstructandcanbebuiltmorerigidthanamovinggantrystylemachine.Thedownsideoflettingthetablemoveinsteadofthegantry,isthattheoverallfootprintofthemachineinretrospecttoitscuttingenvelope,isabouttwiceaslargeaswithamovinggantrydesign.Thereforeitprobablyisbettertomakeamovinggantrystylemachine,ifyourcuttingenvelopeislargerthanabout30x30cm.BecauseIwantedtobuildamachinewithacuttingenvelopeofabout65x65cm,Iusedthemovinggantrystyledesign.

WhatdoyouwanttocutwiththeCNCrouter?Thisdeterminesprettymucheveryanswertothequestionsbelow.Iwantedtousethemachineforplywood,hardwoodsandplasticsmainly,butalsoforaluminum.Ifyouwanttocutmaterialsharderthanaluminum,IrecommendbuildingaCNCmill(http://en.wikipedia.org/wiki/Milling_machine),insteadofarouter.

Whatmaterialwillyouusetoconstructthemachine?Thisisdeterminedbythequestionabove.Agoodguidelineisthatthematerialyouusetoconstructthemachineisstrongerorasstrongasthematerialyouwanttocut.Soifyouwanttocutaluminum,youshouldusealuminumorevensteeltobuildthemachine.IhaveseenwoodenCNCroutersthatcancutaluminum(youwillfindsomeonyoutube),butthiswentveryslowandthemachineshavetobeverywellconstructed.BecauseIwantedtocutaluminumwiththisCNCrouter,Ibuiltitoutofaluminum.Icouldhaveusedsteel,butthisismoredifficulttomachineandIdidnthavethepropertoolsforthat.

Whatlengthoftraveldoyouneedforeachaxis?Myfirstintention,wastobuildaCNCrouterthatcouldhandlestandardsizesheetgoods,likeplywoodandmdf.IntheNetherlandstheseare62x121cm.SofortheYaxis,Iwantedatraveldistanceofatleast620mm.Themachineisplacedinasmallshedinmybackyard,withaverylimitedamountofspace.Icouldntmakethemachinetoobig,becausethenitwouldreallygetinthewayandtakeupallthespace.SotheXaxisonlyhas730mmoftravel.Thisislessthanthefulllengthofasheetofplywood(1210mm),butIfiguredthatifIwantedtomachinesomethingreallylargeacouldcutthefirstpart,thanslidethesheetforwardandcutthelastpart.ByusingthistechniqueyoucancutpiecesthataremuchlargerthanthenormalXtraveldistance.FortheZaxisIfiguredthat150mmwouldbeenoughtopossiblyuseafourthaxisinthefuture.

Whattypeoflinearmotionwillyouuseforthemachine?Therearemanyoptionstochoosefromforlinearmotion:drawerslides,ballbearingsonVrail,Vgroovebearings,unsupportedroundlinearrail,fullysupportedroundlinearrailandprofilelinearrail.Thelinearmotionsystemyouusewilltoalargeextentdeterminethecuttingqualitythatyoucanachieve.Iwouldrecommendgoingforthebestsystemthatyoucanafford.Afterdoingsomeresearch,Ifoundthatfullysupportedlinearrailswouldbethebestoption,thatIstillcouldafford.IfyousearchonebayforSBR12,SBR16orSBR20youwillfindanumberofdifferentsellersandsetstochoosefrom.Ifyouarebuildinga3axisCNCrouter,youshouldbuyakitconsistingofthreesetsoflinearrailsandtwolinearbearingsperrail.Linearmotionbearings2008(http://stores.ebay.com/linearmotionbearings/)isagoodebaystorefromChina,thatsellsanumberof

https://impulsecnc.nl/nl/webshop/stappenmotoren/nema-23-3-nm-detailhttps://impulsecnc.nl/nl/webshop/stepperdriver/leadshine-m-drivers/leadshine-m542-v2-0-detailhttp://damencnc.com/nl/gereedschappen/kress/kress-frees-motoren/42http://us.misumi-ec.com/http://www.misumi-europe.com/start.aspx?lang=ENhttp://en.wikipedia.org/wiki/Milling_machinehttp://stores.ebay.com/linearmotionbearings/

differentkits,evenwiththeballscrewsincluded.

Whatkindoflineardrivesystemwillyouuseforeachaxis?Thebasicoptionstodriveeachaxisare:timingbelts,rackandpinionanddrivescrews.ForhomemadeCNCrouters,drivescrewsaremostcommonlyused.Screwdrivesystemsworkbyplacingthestationarynutonthemovingpartofthemachineandholdingthescrewinplaceonbothends.Thescrewgetsattachedtothemotor.Ifthemotorsstartstoturn,thenutwiththemovingpartofthemachineattachedtoit,willmovealongthescrewandsetthemachineinmotion.FortheXandYaxis,Iusedballscrews.Ballscrewsprovideverysmoothmotion,withvirtuallynobacklash.BacklashistheamountofplaybetweenthedrivescrewandthenutandissomethingyoudontwantinaCNCrouter.Ifyouwanttoreadmoreaboutbacklash,Irecommendtakingalookatthewebsitecncroutersource.com(http://www.cncroutersource.com/precisionacmeleadscrewnut.html).BallscrewsaremoreexpensivethanACMEscrews(whichareagoodalternative),butwillagainhighlyimprovethecuttingspeedandcuttingqualityyoucanachieve.FortheZaxisIusedhighqualitystainlesssteelM10threadedrod,withahomemadedelrinnut.

Whattypeofdrivemotorandcontrollerareyougoingtouse?Concerningthemotors,therearetwobasicoptions:servomotorsandsteppermotors.ServomotorsaremainlyusedforhighendCNCroutersandareveryexpensive.Theyuseencoderstoprovidepositionfeedbackandrequiremoreexpensivecontrollers.SteppermotorsarewidelyusedonhomemadeCNCroutersandtherearemanydifferenttypesandsizes.Thesizeofthesteppermotoryouneeddependsonwhatyouwanttocut,howfastyouwanttocutit,whattypeoflineardriveandmotioncomponentsyouuse,howlargethemachineisetc.Iused3Nmsteppermotorsformymachine,whichisprobablyoverkill.Thecontrollermustsuitthemotorthatyoureusing.Youcanuseindividualdriversforeachmotor,asIdid,oryoucanbuya3or4axisdriverboard.YoucanreadmoreabouttheelectronicsIusedinstep14.

Whattypeofspindlewillyouuse?MosthomemadeCNCroutersuseastandardwoodworkingrouterortrimrouterasthecuttingspindlefortheirmachine.Mineisnoexception.IusedaKressrouter,whichisofslightlyhigherqualitythanstandardwoodrouters,andithasanice43mmclampingflange.Ifyouwanttocutalotofdifferentmaterials,somesortofspeedcontrolcanbereallyhandy.TheKressrouterhasabuiltinspeedcontrolbutyouwillfindthisonmostrouters.Ifyouaregoingtobedoingalotofreallyheavycuttingyoumightwanttolookintoairorwatercooledspindles.Youcanfindthese(http://www.ebay.com/sch/i.html?_trksid=p2053587.m570.l1313.TR3.TRC1.A0.Xwatercooled+spindle&_nkw=watercooled+spindle&_sacat=0&_from=R40)onebayaswell,buttheywillcostyoualotmorethanastandardrouter.TheyuseaVFDforspeedcontrolandcanbemuchquieterthanstandardrouters.

WhatwillbethetotalcostsforthemachineanddoIwanttospendsomuchmoney?IestimatedthetotalcostsforthisCNCroutertobearound1500euro.ACNCrouterisexpensivebutyoucansavealotofmoneybybuildingoneyourself.

AfterIhadfoundtheanswerstoallofthequestionsabove,IcameupwiththefinaldesignformyCNCrouter.Asyoucansee,mydesignisnotextremelydetailed.Youwontseetheexactholelocationsonallofthepartsforinstance.Itisdifficulttodeterminehowmanyboltsyoushouldusetoputtwopiecestogether,ifyouhaveneverheldthosepiecesinyourhandsbefore.Forme,thisdesignwasenoughtogivemeagoodviewonhoweverythingwasgoingtoworkoutandwhichpartsIshouldorder.

Afterthedesignwascompletedandrejected/redesignedacoupleoftimes,Icouldstartorderingallofthepartsneeded.The30x60mmaluminumextrusionsandallofthealuminumplatesforthegantryandZaxiswhichIusedfortheXaxiswereprecuttolength.Ialsoorderedsomeheavydutyantivibrationlevelingfeet.

Step2:TheXaxis

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TheXaxisconsistsofabasicframe,madeoutof4piecesof30/60aluminumextrusionsandtwo15mmthickendplates.Therearetwo6.8mmholesintheendoftheextrusions.IusedametaltaptocreateanM8threadontheinsidesoftheholes.AfterthatIcarefullylaidoutthepositionsfortheholesontheendplates.Iactuallyclampedbothplatestogetherwhiledrilling,tomakesurethattheholeswouldlineuponbothends.Ialsodrilledfourholesinthemiddleofeachplatetomountthebearingblocks.Idrilledfourextraholesinoneofthesideplates,toattachthemotormount.

Imade4blockstoholdthelevelingfeet.Theblocksarepiecesofaluminum(50x50x20).Iusedfourm5boltsandtnutstomountthemontotheouterextrusions.

Thelinearrailsfitdirectlyontothealuminumextrusions.FortheXaxis,Iused20mmdiameterrails.Thepredrilledholesinthebaseofthelinearrailslineupexactlywiththeslotsinthealuminumextrusions.Icouldeasilymountthemusingm5boltsandtnuts.

Step3:Gantrysideplates

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Thegantrysideplatesarealmostidentical.Theonlydifferenceisthatoneofthemhasfourextraholesforattachingthemotormount.Thewholegantryismadeoutof15mmthickaluminumplates.Drillingtheholesinthesideplates,wasquitesimple.AlthoughIhadtoworkveryprecisely.Togettheholesinexactlytherightspot,Icarefullymarkedtheirlocations,thenIusedacentrepunch,tocreatealittledivot.ThenIwentovertothedrillpressandusedacentredrilltocreateaholethatguidestheactualdrillbit.ForthelargerholesIusedasmallersizedrillbitfirstbeforeusingthefinalsizedrillbit.

BecauseofthewayIhaddesignedthegantry,Ihadtodrillholesintheendfacesofthesideplates.Ioriginallyplannedtodothisonthedrillpress,butthepartsdidntfitunderit.SoIhadtocomeupwithadifferentsolution:usingthelathe.Imadeaspecialholderonthemovingcarriageofthelathe.Idrilledtwoextraholesineachplate,tokeeptheminplaceonthecarriage.NowIcouldeasilydrillperfectholesintheendsofthesideplates.Theonlythingthatwaslefttodo,wastotaptheholesforanM8thread.

Step4:Assemblingthegantry

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Therestofthegantryismadethesamewayasthesideplates.Themostdifficultpartwasgettingthelinearrailslinedupcorrectly.Thelinearrailshadtolineupwiththeedgeoftheplate.Whenmarkingtheexactholelocations,Iclampedtwopiecesofaluminumprofilestothesidesoftheplatetolineuptherails.OnceIhadmarkedtheholelocations,IdrilledandtappedthemwithanM5thread.Whenattachingtherailstothegantry,youhavetomakesurethatthedistancebetweentherailsovertheentirelengthiscompletelyeven(therailsmustbeparallel).

IusedthesamemethodfordrillingtheholesintheendfacesasIdidwiththesideplates.

Imadesomecornerbracketstoaddsomeextrastiffnesstotheassembly.Onthefinalassemblyofthemachine,Iactuallyleftthemout,becauseIdidntfeltliketheywereneeded.

Theplateonthebottomofthegantryisverysimple.Idrilled6holestoattachittothesideplates.InthemiddleIhadtodrilltwoholesformountingthenutholder.

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Step5:Yaxiscarriage

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TheYaxiscarriageconsistsofoneplatewith8linearbearingsattachedtoit.Drillingtheholeswasprettystraightforward,butagainithadtobeveryprecise.BoththelinearbearingsfortheYaxisandtheZaxisgetattachedtothisplate.Becausethebearingsaresoclosetogether,eventheslightestmisalignmentcausesittojam.Imadetheholesonly0.2mmoversized,butIhadtodrillthemoutto0.5mmtoalignthebearingscorrectly.Ihadtodoabitoftweakingtogetthecarriagetoslideeasilyfromonesidetotheother.Boththerailsandthebearingsneededtobeadjusted.Iusedhighqualitydigitalcalliperstoalignthemasgoodaspossible.WhenIhadmadethedrivenutmountfortheYaxis,Idrilledtwoextraholesintheplatetoattachit.IalsotriedtoalignthebearingsfortheZaxisasgoodaspossible,butIstillhadtoadjustthemwhenIgottherestoftheZaxisfinished.

Step6:Zaxis

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ThelinearrailsoftheZaxisgetattachedtothemovingpartoftheZaxisassembly.Therailsneededtobeoffsetafewmillimetersfromtheedgeoftheplate.IusedthesamemethodasIdidfortheYaxis,toalignthem.Ifoundtwopiecesofplastic,ofjusttherightthickness,whichIcoulduseas

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spacers.Iknewtheedgesofthealuminumplatewereparallel,soIclampedtwopiecesofaluminumtotheedgeoftheplateandaddedthepiecesofplastictospacetherailsoutfromtheedge.OnceIhadmarkedtheholelocations,Ijustdrilledandtappedthemagain.Makesurethatyoumarkwherethepiecesgo,sothattheholesstilllineupwhenyouputeverythingbacktogether.

TomountthetopplatetotheZaxisassembly,Idrilledandtappedthreeholesintheendoftheroutermountingplate.IdidthiswiththesamesetuponthelatheasIdidfortheYaxisplates.IhadoriginallyplannedtoattachtheZaxissteppermotordirectlytothetopplate.SoItriedtomillsomeslotsinthetopplatetoattachthesteppermotor.Thisdidntworkoutsowell,becauseIdidnthaveapropermillingsetup.SoIcutoffthepartwiththeslotsandfabricatedadifferentmotormountoutofplastic(seestep12).

Ialsomadetwobearingblocksoutofthesameplasticmaterial,whichgotattachedtothetopplateaswell.Thedrivescrewispieceofstainlesssteelthreadedrod(M10).Thedrivescrewisclampedbetweenthetwobearingswithtwonuts.IdrilledandtappedthetimingpulleyforanM10threadandjustscreweditontothetoppartofthedrivescrew.Itisheldinplacebythreesetscrews.ThedelrindrivenutgetsattachedtotheYaxiscarriage(seestep10).

TheroutermountwaspremadeandIordereditfromdamencnc.com(http://damencnc.com/nl/gereedschappen/kress/kressfreesmotoren/147).Ithasa43mmclampingring,whichfitstheKressrouterthatIamusing.

Step7:Timingbeltsandpulleys

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Ididnotwantthemotorstobestickingoutofthemachine.Becausethiswouldincreasetheoverallsizeofthemachinebyabout15cmineachaxis.Normallyyouwouldmountthemotorsontheoutsideofthemachineusingaspecialmotormountorstandoffs.Thiswayyoucancouplethemotorsdirectlytotheballscrewswithaflexiblecouplerofsomesort.ThisishowIdiditonthefirstwoodenprototypemachineIbuilt.Formostpeoplethiswillprobablyworkoutjustfine.ButwhatIfoundwas,thatbecausethemachinewasplacedinaverysmallshop,themotorswouldreallygetintheway.Becausetheywerestickingoutbyalmost20cm(motor+standoffs)Iquitefrequentlywouldbumpagainstthem.

ThatiswhyIplacedthemotorsontheinsideofthenewmachine.BydoingthisIcouldnotdirectlycouplethemotorstotheballscrews,butIhadtouseatimingbeltandpulleys.

Iorderedthetimingbeltsandpulleysfrombeltingonline.co.uk(http://beltingonline.co.uk/).Theyhaveabigvarietyoftypesandsizes.Iused9mmwideHTD5beltsandpulleys.Whenusingabeltdrivetoconnectyourmotortotheleadscrew,youcanuseagearreduction.Byusingasmallergearonthemotoryoucanusesmallermotorsandstillgetthesametorque(althoughyouwillofcourselosespeed).BecausemymotorswereprettylargeIdidnotneedanygearreductiontogetmorepower.

TosavesomemoneyIorderedthetimingpulleyswithouttheholesforthesetscrewsandwithonlyapilotholeinthecentre.Iusedthelathetodrillouttheboretothecorrectsize.Fordrillingtheholesforthesetscrews,Imadealittlejigoutofsomesteelhexagonalbarusingthelatheandthedrillpress.

Step8:Motormounts

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Themotormountsaremadefrompiecesofaluminumtubing.MinewereprecuttolengthwhenIorderedthem,butyoucanalsouseapieceofsteeltubingandcutitintosquarepieces.ThemotormountsfortheXandtheYaxis,hadtobeabletoslideinandout,totensionthetimingbelts.Ifyouuseanormalcouplertoconnectyoursteppermotors,Irecommendmakingorbuyingsomestandoffs.Iusedthelathetomaketheslotsandtodrillalargeholeinonefaceofthemount,butyoucouldalsodothisonanormaldrillpress.

Istartedbymakingalargeholeinonesideofthemountwithaholesaw.Thisallowsthemotortositflushwiththesurfaceanditalsomakessuretheshaftiscentered.ThemotorisfastenedtothemountwithfourM5bolts.Imadefourslots,intheothersideofthemount,toallowittoslideinandout.Iclampedthepieceonaspeciallatheattachmenttomillthefourslots.

Step9:Bearingblocks

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ThebearingblocksfortheXandtheYaxisaremadefrom50mmaluminumroundbarstock.Icutofffourequalslabs,each15mmthick.Ithenfacedoffeachsideoftheblanksonthelathe.Aftermarkinganddrillingthefourmountingholes,Iusedthelatheagaintodrilloutalargeholeinthecentreoftheblank.Ithenmadethecavityforthebearingtositin.Thebearingshavetobepressedinandtheblocksgetboltedontotheendandsideplates.Idrilledandtappedaholeintheendoftheballscrewstoholdtheminplace.Byinsertingabolt,Icouldtightenthemagainsttheangularcontactbearings.Theendoftheballscrewwasturneddownonthelatheto11mm.Thisisthepartwerethetimingpulleygetsattachedto.Theveryendoftheballscrewwasturneddownalittlebitfurtherto10mm,sothatitcouldbepressedontothebearing.Onthefloatingendoftheballscrews,Ijustusedstandardballbearings.

Step10:Zaxisdrivenut+mount

IdidntuseaballscrewfortheZaxis.InsteadIusedstandard,buthighqualityM10threadedrod.Imadeanutoutofapieceofdelrin.Delrinisaverygoodmaterialforthispurpose,becauseitisselflubricatinganditwontwearoutovertime.Ifyouuseagoodqualitytaptomakethethreadsinthenut,thebacklashwillbeveryminimal(Ihaventnoticedany).InsidetheZaxisassembly,therewasverylittleroomtomountthenut.Andsincemyhomemadenutwasround,Ineededtomakeaspecialmount.Themountconsistsoftwopiecesof12mmacrylic.IwasabletousethehomemadeCNC

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routerofmyschoolteacher,tomaketheseparts.Theroundnutfitsverysnugglyinsidethepiecesofacrylicandisheldinplacebyasmallbolt.Theboltkeepsthenutfromspinninginsidethemount.Idrilledandtappedtwoholesinthelittlefeetoftheholders,tobeabletomountittotheYaxiscarriage

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FortheXandtheYaxis,Imadeadifferentdrivenutmountoutofapieceofaluminum.Theballscrewnutshavetwosmallflangesononeside,withthreeholesinthem.Iusedoneoftheholesoneachsidetoattachthenuttotheholder.Theholderismadefromapieceofaluminumandismachinedonthelathe.BecauseIdidnthaveamill,Iusedthelathewithafourjawchuck.Thesepieceshavetobemachinedveryprecisely.OnceyouhaveattachedthenutstothegantryandYaxiscarriage,youshouldbeabletomovethesepartseasilyfromonesidetotheother,byturningtheballscrewsbyhand.Ifthedimensionsoftheholdersareincorrect,thenutwillgetjammed,andyouwontbeabletoturntheballscrewbyhandanymore.

Step12:Zaxismotormount

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TheZaxismotormountisdifferentfromtheothers.Itismadefrom12mmacrylicandwasalsocutwiththehomemadeCNCrouterfrommyteacher.Ihadoriginallyplannedtomakethemountoutofaplateofaluminum,butmachiningthatwastoodifficult.Thebelttensioncanbeadjustedbylooseningthetwoboltsontopandslidingthewholemotormountassembly.The12mmacrylicworksjustfinefornow,butImightreplaceitwithapieceofaluminuminthefuture.IfoundoutthatwhenIwastensioningthebelt,theacrylicplatewouldbendalittlebit.

Step13:Thecuttingbed

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ThefinalpartIhadtomakeforthemachinewasthecuttingbed.Thecuttingbedisaveryimportantpartofthemachine,andoftenoverlooked.Therearemanydifferenttypesofcuttingbeds.Examplesare:tslottabletop,perforatedtabletop,vacuumtableoryoucouldjustuseadisposabletabletopandscrewyourstockrightontothetable.Analuminumtslottabletopwouldprobablybethebest,butitwillcostyouafewhundreddollars,dependingonthesizeofyourmachine.Ichoosetousetheperforatedtabletop,becauseitfittedwithinmybudgetandIwouldstillhavelotsofclampingoptions.

Thecuttingbedformymachine,ismadefroman18mmthickpieceofbirchplywood.IfasteneditwithM5boltsandtslotnutstothealuminumextrusions.Iboughtabout150M8hexagonalnutsforabout4dollars.UsingaCADprogram,Idrewhexagonalshapesinagridwithaholeinthemiddle.ThenIusedthemachinetocutoutallofthepocketsforthenuts.InsteadofregularnutsyoucouldalsouseTnuts,butthenyouwouldhavetoflipthetabletopovertoinsertthem.Anotherproblemyoucanhaveisthattheyfallout.

Ontopofthepieceofbirchplywood,Iinstalledapieceof25mmthickMDF.Thisisthedisposablesurface.Iusedalargerrouterbit,tocutholesthroughbothpieces.Theholeslineupexactlywiththecentreofthehexagonalshapescutearlier.ThenIunscrewedthepieceofmdfandinstalledallofthenutsinthepieceofplywood.Imadetheholesslightlyundersized,soIhadtouseahammertopoundthemin.ThenIreinstalledtheMDFsurfaceandcheckedifthealignmentwasstillcorrect.

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Ialsoflattenedthetabletoptoensurethatthesurfacewasparalleltothexandtheyaxisandperfectlyflat.

Step14:Theelectronics

Theelectronicsformymachineconsistofthefollowingcomponents:

Mainpowersupply48VDC6,6Amp3driversLeadshineM542V2.03steppermotors3NmhybridNema23BreakoutboardRelay25A,230VACoutput,432VDCinputMainpowerswitchPowersupplyforbreakoutboard5VDCPowersupplyforcoolingfans12VDC2coolingfans(80mm)2poweroutletsforKressrouterandshopvacEstopstillneedstobeinstalledLimitswitchesstillneedtobeinstalled

Ifyoudontwanttospendalotofmoneyonelectronicsyoucanbuyakitfromebay.Therearealotofdifferentsellerswithpricesinthe200400dollarrange.Beforeorderingakityoushouldthinkaboutwhatsizesteppersyouneed.Iyouarebuildingasmallmachineforcuttingwoodandplasticsonly270ozinor1.9Nmmotorswillgiveyouplentyofpower.Ichoose3Nmmotors,becausethemachineitselfisquitelargeandheavyandIplannedonmachiningsomehardermaterialslikealuminuminthefuture.

Ifyourmotorsarenttoolargeyoucanusea3axisdriverboard,althoughitisbettertouseindividualdrivers.Individualdriverscanhandlemoreampsandfeaturemicrostepping.Theyaremorereliableandwillgiveyoubetterresults.ThedriversIuseactuallycamewiththekitIordered.Theycanhandle4,2ampsmaxandupto125microsteps.

Themainpowersupplyisconnectedtothedriverswith14gaugewire,whichismainlyusedinRCairplanes.Thesewiresareveryflexible,butofhighqualityandcanhandleplentyofamps.The5VDCpowersupplyisconnectedtothemainpowerinlet.Forthecoolingfans,Iinstalledapoweroutletinsideoftheenclosure,sothatIcoulduseastandard12Vwalladaptertopowerthem.Themainpowergetsswitchedonandoffbyalargepowerswitch.

The25Arelayiscontrolledbythecomputerthroughthebreakoutboard.Theinputterminalsofthe

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relayareconnectedtotheoutputterminalsofthebreakoutboard.Therelayisconnectedtotwopoweroutlets,whichpowertheKressrouterandshopvactosuckuptheshavings.WhentheGcodeendswiththecommandM05,themachinewillautomaticallyswitchofboththeshopvacandtherouter.ToswitchthemonyoucaneitherpressF5orusetheGcodecommandM03.

Step15:Electronicsenclosure

SinceItemporarilymountedtheelectronicsonapieceofwood,totestthemachine,Istillhadtomakeagoodenclosure.Idrewouttheroughdimensionsandplacesforallofthecomponentsonapieceofpaper.ItriedtoarrangetheminsuchawaythatIcouldeasilygettoalloftheterminalstoinstallthewires.IalsomadesurethatIwouldgetasufficientairflowthroughtheenclosure.Thisisveryimportantsincethesteppercontrollerscangetquitewarm.

Allofthecablescanbeconnectedinthebackoftheenclosure.Iusedspecial4wireplugs,becauseIwantedtobeabletodisconnecttheelectronicsfromthemachine,withouthavingtounscrewanyof

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thewireterminals.Ialsoinstalledtwopoweroutletstoprovidepowertothespindleandashopvac.ThepoweroutletsareconnectedtotherelaytoswitchtherouteronandoffautomaticallyinMach3.Imountedalargepowerswitchonthefrontoftheenclosure.

OnceIgotallofthecomponentsarrangedthewayIwanted,IdesignedallthepiecestomaketheenclosurewithaCADprogram.IthenusedtheCNCmachineitselftocutoutallofthesidesandthebase.Imadealidwithapieceofplexiglasinthemiddle.Itheninstalledallthecomponentsandtriedtokeepthewiringascleanaspossible.

Step16:CNCsoftware

TocontrolaCNCrouter,youneed3differenttypesofsoftware.ACADprogram,tocreateadrawing.ACAMprogramtocreatethetoolpathsandoutputtheGcode.AndacontrollerprogramwhichtranslatestheGcodeandcontrolstherouter.IamusingCamBamtocreatemostofmydrawingsandcreatethetoolpaths.CamBamisasimpleprogramandisveryeasytoworkwith.IthassomebasicCADfunctionalities,soformostprojectsyoudontneedadifferentCADprogram.BeforeCamBamcancreatethetoolpaths,youneedtosetacoupleofparameters.Examplesare:thediameterofthetoolthatyoureusing,thecuttingdepth,depthperpass,cuttingspeedetc.Whenyouhavemadethetoolpaths,youcanoutputtheGcode.TheGcodeisthemachininglanguage,thattellsthemachinewhattodo.ForthecontrollersoftwareIamusingMach3.Mach3sendsoutthesignalsthroughtheparallelportofyourcomputertothebreakoutboard.YouuseMach3tozerothecuttingtoolandstartthecuttingprogram.Youcanalsouseittocontrolthespindlespeedandcuttingspeed.Mach3hassomebasicwizardsbuiltin,whichyoucanusetooutputsimpleGcodefiles.Anexampleisthewritewizard,whichyoucanusetoquicklywritesometextandoutputittoGcode.(Seestep17foranexample).

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Step17:Usingthemachine

Afterseveralmonthsofwork,themachineisfinallyfinished.Aftertheinitialtesting,thefirstthingImadeweresomeholddownclamps.Thefirstbigprojectwastheelectronicsenclosure,whichyouhaveseeninstep15.Ihavealsobeencuttingsomedifferenttypesofgearsandsomesigns.OnethingIquicklyrealizedwasthataCNCroutermakesalotofdustandcanbeprettyloud.TofixthedustproblemImadeadustshoe,towhichashopvaccanbeattached.Reducingthenoiselevelwasmoredifficult.Myparentswerekindenoughtopayforthematerialcoststobuildafullenclosureforthemachine.SoImadealargecabinetinwhichtheCNCmachinestands.Iusednoiseabsorbingplatestocovertheinsideofthewalls.Theelectronicsandtheshopvaccansitintwodifferentcompartmentsunderthemachine.Thecabinetreallycutsdownonthenoiselevelandmakesusingthemachineevenmorefun.

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Step18:Conclusion

Sothatsaboutit.NowyouknowhowIbuildmyCNCrouterandwhyIdiditthewayIdid.Althoughyouprobablywontbebuildinganexactcopyofmymachine,Ihopeyoucandrawsomeinspirationfrommydesignandbuild.Ihavelearntalot,bybuildingthisCNCrouterandreallylookforwardtousingitforfutureprojects.

Iwouldliketothankmyschoolteacher,NopVelthuizen,whichgavemetheopportunitytobuildthismachine.HeallowedmetocomeovertohisownworkshopanduseallofthetoolsIneededtobuildthisCNCrouter.Hegavemealotofinformationandinspirationandhelpedmewhereneeded,tosuccessfullycompletethisproject.

Ifyouhaveanyquestions,pleaseleaveacommentandIwilltrytoansweryourquestionsassoonaspossible.

Linkstousefulwebsites:

CNCzone.com(http://cnczone.com/)CNCroutersource.com(http://www.cncroutersource.com/)

CamBam(http://www.cambam.info/downloads/)Mach3(http://www.machsupport.com/software/downloadsupdates/)

DamenCNC.com(http://damencnc.com/en)Linearmotionbearings2008(http://www.ebay.com/sch/linearmotionbearings2008/m.html)Beltingonline.co.uk(http://beltingonline.co.uk/)Misumiusa.com(http://us.misumiec.com/)

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http://cnczone.com/http://www.cncroutersource.com/http://www.cambam.info/downloads/http://www.machsupport.com/software/downloads-updates/http://damencnc.com/enhttp://www.ebay.com/sch/linearmotionbearings2008/m.htmlhttp://beltingonline.co.uk/http://us.misumi-ec.com/http://www.instructables.com/files/deriv/FKP/52DT/HMVJDJUP/FKP52DTHMVJDJUP.LARGE.jpg

Wehaveabenicecommentpolicy.Pleasebepositiveandconstructive. RichEditor AddImages Preview Post

1(/member/Benne/)

Oct22,2013.11:37AM Reply(CF7HJ4UHN386SHM)

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Oct22,2013.5:36PM Reply(C0BYHLIHN3872QC)

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Oct22,2013.4:47PM Reply(CURNWIIHMVJALM8)

Benne(/member/Benne/)(author)says:Helloeveryone,

Thankyouallforthekindwords,Ireallyappreciateit.IhadneverthoughtthatIwouldgetsomanynicecomments,viewsandfavoritesonmyfirstinstructableinsuchashortperiodoftime.

Thefollowingtwoorthreeweeks,Iwillhavetostudyformyexaminationweek,soIwon'thavemuchtimetoeditoraddavideotothisinstructable.Iwouldliketomakeavideowhichexplainsthedesign/softwareprocess,fromdrawingtofinishedpartandIwilldefinitelydothatwhenIhavetimeagain.

Inthemeantime,pleasevoteformeintheIcouldmakethatcontest:)

kmmarlow(/member/kmmarlow/)says:Niceworkmate!Ithinkitstimetoupgrademine:)

keverett458429(/member/keverett458429/)says:Benne,thanksfortheinstructable.Verywelldone,Ithink.Ithinkit'sverycoolthatyoubuiltaprototypeinwoodaheadoftimegreatstrategyforlotsofdifferentbuildingprojects,Ithink.Iwonder,ifyouhadittodoagain,howwouldyouchangeyourdesignorbuildparameters?IaskthisbecauseI'vebeenworkingonaCNCgantryrouterfor3yearsnow.It'sbeenworkingsincethefirstyear,butIkeepfindingthingstoimproveandmodify.Oneimportantthingyou'veconfirmedformeisthatahighschoolstudentcandothiswithoutadoubt!.I'mputtingtogetheraroboticscourseforhighschoolstudentsandthiswasanimportantrevelation.ForthisIthankyouagreat,great,deal.NowIwillhaveabitofconfidenceitwon'tbeovertheirheads.

Afewobservations(Irealizeunsolicitedsodisregardifyou'reuninterested)onyourcurrentbuildare:1.Nicecleanbuildreallycleancomparedtosomecabelingandwiringaresowellhidden(ohyeah,youhaven'twiredinyourlimitsyetortheEStop...thatwilladdabitofclutterpossibly,butverywelldonesofar..2.)ReallyTALLtheaspectratioofXYregionsisdeceivingwhenaddedtoyour5"zspan.Iwouldthinktheleverarmactionoftheverticalgantrysupportsandtheshortdistancebetweenyourtwolinearbearingsundereachverticalsupportwouldalreadyallowsomeflexorrackinginthatassemblypotential"apparentbacklash"butreallyjustslop.Ifnot,great!If,undersomeadditionalpressuresaywhencuttingaluminum,youseesomeflextryspacingoutthelinearbearingssome.Youcanusetrigandsomesimplephysicstofigureoutwhatlinearbearingspacingwillgiveyouasizeableincreaseinresistancetoanygantryrotationofyourdesign.HopeI'veexplainedthisadequately.Thisisjustan

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(/member/telauges2/)

Oct22,2013.3:57PM Reply(CWIVAWCHN2BKCSC)

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1(/member/LancerRobotics3415/)

Oct22,2013.3:56PM Reply(CRJ92MTHN2BKCSA)

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1(/member/Gabse/)

Oct21,2013.10:26PM Reply(CSWUC8DHMVJDSTK)

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1(/member/Benne/)

Oct22,2013.11:54AM Reply(CVQAN28HN386SJ2)

intuitiveconcernonmypart,soitmayinfact,notactuallybeaproblemforyouatthecuttingpressuresyouuse.Bestregards,andgoodluckinfuturebuildsandimoyourcncrouterisagreatadditiontotheinstructablestable.

k

telauges2(/member/telauges2/)says:verygood,congratulations!

LancerRobotics3415(/member/LancerRobotics3415/)says:HEY!LORDOFTHESCREWS!Hungoutwithyouguysatworlds.:P

VERYcoolbuild.Wemaylookintobuildingoneoftheseourselves:D

Doyouhaveageneralpricerangefortotalmaterials?

ChristianKnuell(/member/Christian+Knuell/)says:Verywellmade.I'donlytakesomemorecareaboutthecables(I'vekilledmycomputeroncebypinchingapowercablewiththemachine)

kylebrinkerhoff(/member/kyle+brinkerhoff/)says:SOLID!thatsasupernicejobyouvedonetheir!iwaswonderingifyouwouldbeabletohelpmefinishmycncrouterbyusingyourmachinetocutoutpartsforit?icanpayyouifyourinterested

ElectronExciter(/member/ElectronExciter/)says:Excellenttutorial!Havingjustcompleteda4'x4'homebuiltCNCmachineIknowhowharditistomake...andminewasdonewithMDFparts,notaluminum!Doyounoticeanyresonancethruthealuminumwhencutting?IkeptmineMDFtoabsorbvibrationwhilecutting

Gabse(/member/Gabse/)says:Isitalsopossibletomakethecontrollerwithanarduino?

Benne(/member/Benne/)(author)inreplytoGabseYesthisispossible,althoughIdon'thaveanyexperiencewithusinganArduinotocontrolaCNCroutermyself.Youwouldstillneedstepperdrivers,tocontrolthemotors,soIdon'tthinkitwouldsaveyoumuchmoney.TherealreadyarefreeGcodeinterpreter

BuildingaCNCrouter byBenne(/member/Benne/)+Collection

Vote!

Download(/id/BuildingaCNCrouter/?download=pdf) 18Steps Favorite(/id/BuildingaCNCrouter/)

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1(/member/Benne/)

Oct22,2013.11:41AM Reply(C6O4MLSHN386SHW)

programsavailable,whichyoucandownloadfromtheweb.Formoreinformation,IsuggesttotakealookattheCNCzone.comforum,whereyouprobablycanfindabetteranswertoyourquestion.OhandIfoundthis:http://makezine.com/arduino/grbl/,whichlookslikeaperfectsolution,forasmallCNCrouter.

Gabse(/member/Gabse/)inreplytoBenneThanksforyouranswer,IthinkI'lltrytomakeittodrillpcb

studleylee(/member/studleylee/)says:BigTimeNice!!!!!!!!!!!!!!!!!!!!!!!!!!!!

menglor(/member/menglor/)says:Ilovethis.IrecentlyconvertedmySiegX2MillingmachinetoaCnCmuchlikeyours,onlyminewasmetal(obviously)

WhereIamfindingahugelearningcurve,andIexpectthepeoplewhotakeonthisprojectwillaswell,isthesoftware.yourdocumentationandscreenshotsaregoingtomakebuildingthisprojecteasy,butIexpectpeoplewillgetconfusedwhenitcomestimetodrive,test,cutandusethesoftwaresideofit.

Couldyoubetalkedintoaddingtoyourprojectherebymakingafewvideo's?onyoutube,orhere?

Icouldlistahundredvideo'sIwouldliketosee.Frombasicstartingwithawoodblockandcuttingmyname,toconvertingaJpegtoacuttableimageandwhatnot.

IseeinyourpicturesyouhavemadesomeWood"blockclamps"Iwouldliketoseeastarttofinishofsomethinglikethateven.

IhavesearchedYoutubeforCambamandBobCab,butIneverfindany"simple"doXandyoucanstartcutting.

Benne(/member/Benne/)(author)inreplytomenglorThanks!Iwilltrytomakemakeavideo,explainingthedesign/softwareprocess,aftermyexaminationweekisover.InthemeantimeyoucouldwatchsomevideosfromtheCamBamwebsite:http://cambam.info/vids/.Ifoundthemveryinformative,whenIwaslearningtoworkwithCamBam.

rusty13jr(/member/rusty13jr/)says:This.Is.Amazing!Iamblownawaybyyourbuild.Currentlyworkingonmyownmachinemadeourof45mmprofile.ButIamnearlytwiceyourage.Thisgivesmehope:)Whatisyouraccuracy/repeatability?

Benne(/member/Benne/)(author)inreplytorusty13jrThepartsthatIhavemadesofar,allwerewithin0.05mm(asfarasmycalipercantell).Ialsomadea100teethHTD5timing

http://www.instructables.com/member/Gabse/http://www.instructables.com/id/Building-a-CNC-router/CFR1U5GHN2CPY3Dhttp://www.instructables.com/member/studleylee/http://www.instructables.com/id/Building-a-CNC-router/CE1WXJ9HMVJHQ38http://www.instructables.com/member/menglor/http://www.instructables.com/id/Building-a-CNC-router/CQ7L5NWHN30HCIMhttp://www.instructables.com/member/Benne/http://www.instructables.com/id/Building-a-CNC-router/C7PKZ09HN386SIDhttp://www.instructables.com/member/rusty13jr/http://www.instructables.com/id/Building-a-CNC-router/CWP4Y1DHMWW01OKhttp://www.instructables.com/member/Benne/http://www.instructables.com/id/Building-a-CNC-router/C6O4MLSHN386SHWhttp://www.instructables.com/member/Gabse/http://www.instructables.com/member/studleylee/http://www.instructables.com/member/menglor/http://www.instructables.com/member/Benne/http://www.instructables.com/member/rusty13jr/http://www.instructables.com/member/Benne/

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pulleyoutof10mmacrylic.Itfitsthetimingbeltperfectly,with+/60teethengaging,whichmeansthepartisveryprecise.

Mokeymark(/member/Mokeymark/)says:Excellentwork!ThisistrulyinspirationalIhavealwayswantedtocreatagantryCNCmillingmachine,andIthinkyouhaveprovidedthemotivationformetotackletheproject.Thankyou!

TechMojos(/member/TechMojos/)says:Wow,whatanabsolutelyimpressivepost.Thankyouforsharingthis!

Jtescobar(/member/Jtescobar/)says:wonderfulwork!!!!!

jwoodford(/member/jwoodford/)says:Ithinkyouhavejustcreatedanideaforyourfirstbusiness.Makeallthebitsthatneedmachiningandcannotjustbeboughtofftheshelf.Youcouldsellthepartsasakitwithpeoplebuyingtheheavystockmaterialsintheirowncountry.StickthatonKickstarterandIthinkyouwillbeinundatedinoffers.

Pader(/member/Pader/)says:GreatinstructableBenne,especiallyconsideringyourapparentage.Itbearsseveralthingsincommonwithmyhomebuiltmachine(http://www.instructables.com/id/GoodqualityCNCMachine/).ThetwomaindifferenceswerethatIusedsheetsteel,lasercutandfoldedformygantryparts.

IdidoriginallyuseatwinbeltdrivefortheYaxiswith'jockeywheel'tensionersbutfoundthateventhoughtheyweregoodqualitybelts,tensioningwasdifficultevenwiththetensionersandIwasneversurewhetherIwasputtingtoomuchstrainonthemotorbearings.Sonow,allthreeaxesofmymachinearedirectdriveusing12mmstainlesssteelthreadedrodfortheXandYaxesand8mmrodfortheZaxis.Asmymachineisconsiderablybiggerthanyours,Iwasnotworriedaboutthemotorsstickingoutalittle.IalsomademydrivenutsbutusedHDPE(somekitchencuttingboards)withduplicatepiecesthatallowedtensioningifthereshouldbeanywear,butasyet,Ihavenothadtoadjustthem.ThestainlessrodsarenotasprecisioncutasproprietaryitemsbutthepitchisalmosthalfthatofreadymadeitemsandthereforeanyerrorisconsiderablyreducedandcaneasilybeeliminatedwithinMach3.

Ihopethatyoupublishmanymoreinstructablesasyouobviouslyhavetalentandhaveaccesstosuchgreatworkshopfacilities.

jwebsd(/member/jwebsd/)says:Iamflabbergasted!Notonlyatyourinstructable,butthatyouasa1617yearoldcreatedallthis.Thereishopeforthehumanrace!Thankyouforbeingalive.Blessyourparents!

vash1486(/member/vash1486/)says:reallyimpressive!welldoneandtankyouforsharingyourproject:)

ssamc(/member/ssamc/)says:Verywellwrittenfirstparttutorial.Iwasimpressedwithyourwork.

http://www.instructables.com/member/Mokeymark/http://www.instructables.com/id/Building-a-CNC-router/C6E7AYCHMVJHQ0Qhttp://www.instructables.com/member/TechMojos/http://www.instructables.com/id/Building-a-CNC-router/C3OO8RUHMWW021Lhttp://www.instructables.com/member/Jtescobar/http://www.instructables.com/id/Building-a-CNC-router/CTH5JY6HMVJHPT9http://www.instructables.com/member/jwoodford/http://www.instructables.com/id/Building-a-CNC-router/C66MYQWHN2BK70Shttp://www.instructables.com/member/Pader/http://www.instructables.com/id/Building-a-CNC-router/CZMDAZZHN2BK6OKhttp://www.instructables.com/member/jwebsd/http://www.instructables.com/id/Building-a-CNC-router/CYT7LYPHMVJAGJBhttp://www.instructables.com/member/vash1486/http://www.instructables.com/id/Building-a-CNC-router/CQJ9R5YHMWW012Khttp://www.instructables.com/member/ssamc/http://www.instructables.com/id/Building-a-CNC-router/COIDCZ5HMVJHORPhttp://www.instructables.com/member/Mokeymark/http://www.instructables.com/member/TechMojos/http://www.instructables.com/member/Jtescobar/http://www.instructables.com/member/jwoodford/http://www.instructables.com/member/Pader/http://www.instructables.com/member/jwebsd/http://www.instructables.com/member/vash1486/http://www.instructables.com/member/ssamc/

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Congrats

BelloPhil(/member/BelloPhil/)says:Verynicepieceofwork,Ihavetoagreewithanothercommentonhere,evenwithyourclearinstructions,thisprojectisonesteptoofarforme!I'llstickwithallthetoolsyoumentioned.Ilookforwardtoseeingwhatelseyoucomeupwithinthefuture.

AZSobo(/member/AZSobo/)says:Outstanding!

strooom(/member/strooom/)says:HiBenne,

thanksforthiswonderfullinstructable!I'mgettingeagertobuildaCNCmyselfandwillcertainlyusetheextensivedescriptionyoumade.Proficiat,heelgoedgedaan:)

KEUrban(/member/KEUrban/)says:CorrectmeifI'mwrong,butI'minferringthatEnglishisnotyourfirstlanguage.IfI'mcorrect,thenI'mdoublyimpressedbyyourhighqualityprojectanditswellwrittenInstructable.Veryimpressive,sir.

Benne(/member/Benne/)(author)inreplytoKEUrbanYesitistruethatEglishisnotmyfirstlanguage.Inormallyspeakdutch,soI'mhappytohearthatyouthoughtmyInstructablewaswellwritten.Thankyouverymuch,Ireallyappreciateit.

black58(/member/black58/)inreplytoBenneIagreewiththeabovereview.Excellentjob,welldone.

jayawilliams(/member/jayawilliams/)says:AndthisiswhyschoolsintheUSaredoomed.I'veseenwaytoomany16/17yearoldsthatcouldn'tevenreadthis.Also,pointinfact,I'm29andwouldstruggletocompletethisprojectwithinstructionsprovided.AndIconsidermyselftobeafairlyintelligentperson.Verywelldone.

xXLGXx(/member/xXLGXx/)says:Whatkindofcuttingspeeddoyougetwithit?Iknowthatthefasteritis,there'sachanceforlossofquality,butwhereisthe"sweetspot"sotosay?Wonderfuljob.Iamalmostafraidtoaskwhatthetotalcostwas(notincludinglabor:P).Aluminumisnotexactlycheapeventhoughitisfairlyavailable.

Benne(/member/Benne/)(author)inreplytoxXLGXxThecuttingspeedreallydependsonthematerialyouwanttocut.Inormallyrunthemachineataround1200mm/minwith2.5mmdepthof

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Oct21,2013.6:27AM Reply(CBRQHVYHMVJHHGF)

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Wehaveabenicecommentpolicy.Pleasebepositiveandconstructive. RichEditor AddImages Preview Post

cut.Thisgivesmereallyniceresultsinacrylicandbirchplywood,usinga5mmcutter.Idon'treallyfeeltheneedtopushthemachinetoit'slimits,butIthinkIcanrunthemachinewayfaster.Iwillhavetoexperimentmorewithdifferentspeedsandsettingstoreallyknowwhatit'slimitsare.IwilladdthecuttingspeedinformationtothisinstructableonceIhavebeenusingthemachineforalittlelonger.

IthinkIspendaround1400eurosonthemachineintotal.Thealuminumplatesandextrusionscostmeabout380eurosandtheelectronicssomewherearound400.IthinkIcouldhavesavedsomemoneyontheelectronics,bybuyingakitfromebay.Thelinearrailsandballscrewsonlycostme150euros,becauseIboughtthemslightlyused.Iknowthismachineisexpensive,butacommercialmachinecancostyouupto10.000eurosormoreandIthinkmymachineperformsjustaswellasmostofthem.

nopvelthuizen(/member/nopvelthuizen/)says:Absolutelygreatpieceofwork.Hardtobelievethisisyourfirstinstructable,Ihopemanymorewillfollowinthefuture.Canyoushowusavideoofyourmachineinaction?

Benne(/member/Benne/)(author)inreplytonopvelthuizenThanks!Iwilladdavideototheintropageassoonaspossible.

carlos66ba(/member/carlos66ba/)says:Fantastic!

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