Catalog_Freze_CNC_VHF

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MILLINGCUTTERSENGRAVINGTOOLSUSING TOOLS■ Always choose a milling cutter which is suitable for the materialwhich you process. Please note the corresponding icons andmore detailed information in the description texts and use ourrecommendation matrix on page 22.■ The cutting edge length of the tool should be as short aspossible and as long as necessary. It should be clamped as deepas possible into the collet chuck.■ If your material is not listed, select the material from the correspondingmain category (plastics, non-ferrous metals, ...) thatmost closely matches your material in terms of hardness.plasticsferrousmetalsHartholznon-ferr.metalscompositeswoodDEBURRINGTOOLSROUTERBITSTHREADCUTTERSDRILLSDIAMONDTOOLSTHE RIGHT NUMBER OF TEETH■ Single tooth cutters offer the largest open space in the chip fluteand thus counteract the clogging of the cutter by material chips;so they have the lowest risk of clogging.■ The more cutting edges a milling tool has, the more the openspace decreases, but at the same time, the wear is distributedover several cutting edges. The cutter also runs rounder and thesurface becomes smoother.■ For plastics and non-ferrous metals, the single tooth cutter is thebest option. A double tooth cutter is recommended when youare working on thermosetting plastics or harder sorts of aluminium.We recommend multi-tooth cutters alsmost exclusively forferrous material.Cross-section of tripletooth cutter: Threecutting edges need muchmore space.SETTING THE MACHINING PARAMETERSGiven the multitude of parameters that interact with each other, itis not possible to provide general information about the tool parameters,so here are just a few general tips. In any case, you mustcomply with all safety and security regulations of the machine!■ In order to set optimal values for lowering speed, immersiondepth, feed rate, and spindle speed when machining your workpieces,a large number of factors play a role, which you will findin the adjacent guiding questions.■ When you set the operational parameters, you should approachfrom the safe side, so you should choose at first for most materialsa lower lowering speed, immersion depth and feed rate andthen increase them gradually.Guiding questions:‹›Cross-section of singletooth cutter: It has a greatopen space.› What material is the workpiecemade of?› How is the workpiece fixed?› Type of coolant/lubricant?› Power/maximum rotational speed ofthe spindle?› Minimum/maximum feed rate of themachine?› Stiffness of the machine?LANCESAND KNIVESACCESSORIESCHOICE OF THE MILLING DIRECTION■ The cutting edge runs in the counter direction as well as in mostparts of the same direction against massive material. However,immediately before the exit, there is not much material left. Sothe last bit will often be rather torn off instead of being cleanlycut. Therefore the counter direction becomes smoother than thesame direction.■ Thus we recommend to mill internal contours clockwise and externalcontours counterclockwise.■ However, a comparison is always recommended, as the effectvaries depending on the machine, material and tool geometry.relative material movementchip sizecutterdirectionworse cutting edgesame directioncounter directionbetter cutting edge140
APPENDIXSETTING THE IMMERSION DEPTH■ The immersion depth depends on the power of your spindle andon the stiffness of your machine. In case of doubt: When you milldeeper slots it is better to remove the material in several steps.■ General guidelines for the relationship of immersion depth andcutting edge diameter:› rigid foam up to 5-fold diameter› plastics (acrylic glass, etc.) up to 2-fold diameter› aluminium up to 0.5-fold diameter› steel up to 0.3-fold diameter› stainless steel up to 0.2-fold diameter.rigid foamplasticnon-ferrous metalstainless steelMILLINGCUTTERSENGRAVINGTOOLSCOOLING/LUBRICATION■ The cooling with air or lubricant improves the surface quality andprolongs the tool life. If cooling is not possible, the recommendedminimum values for rotational speed should be adhered to;the feed rate, however, should not be set too slow. In this case,the heat dissipation will be made by the chips, otherwise there isa risk of excessive heat generation.■ Recommended coolants/lubricants:› Aluminium: spray lubricant ALU-N or minimum quantitylubricant WSP 20 or Tec Liquid Pro› Steel/stainless steel: emulsion of spray lubricant AquaTec® andwater or minimum quantity lubricant WSP 20 or Tec Liquid Pro› Plastics/acrylic glass: dry processing with chip extraction orcooling with compressed air.DEBURRINGTOOLSROUTERBITSTHREADCUTTERSWHAT TO DO IN CASE OF PROBLEMS?■ Melting of plastics: Reduce the rotational speed and increase thefeed rate at the same time.■ Plugged milling cutter: Reduce immersion depth and avoid heatgeneration.■ Burr formation: Increase the cooling or increase the feed rate andreduce rotational speed and removal rate at the same time.■ Tool breakage: Reduce the feed rate and/or the immersiondepth; check the collet chuck.■ If your machine permits only lower rates of feed than it would bepossible according to tool and material data, you should reducefeed rate and rotational speed accordingly.DRILLSDIAMONDTOOLSLANCESAND KNIVESAsk us!Take advantage of the possibility of personal adviceby our milling tool specialists by phone or e-mail:+49 7032 97097 430 | tools@vhf.deACCESSORIES141
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CNC MILLING TOOLS
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Welcome to vhf!For more than 30 yea
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TABLE OF CONTENTS6 DEBURRINGTOOLS7
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COMPANYMILLINGCUTTERSENGRAVINGTOOLS
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PRODUCTIONDEVELOPMENTAND PRODUCTION
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PRODUCTIONMILLINGCUTTERSENGRAVINGTO
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PRODUCTIONMILLINGCUTTERSENGRAVINGTO
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ADVICE AND ORDERINGORDER ONLINE WIT
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TRADE FAIRS, CARBIDE AND DIAMOND TO
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COATINGSSTRATUM TNTypeMaterialPVD-S
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SIGNS AND SYMBOLSSIGNS AND SYMBOLSC
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RECOMMENDATION MATRIXnon-ferrous me
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MILLINGCUTTERS1ACCESSORIESLANCESAND
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DEBURRINGTOOLSSTRATUMDLCSTRATUMMSRO
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SINGLE MILLING TOOTHCUTTERSCONTINUA
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ROUTERBITSTHREADCUTTERSDEBURRINGTOO
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DEBURRINGTOOLSSTRATUMASTHREADCUTTER
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ROUTERBITSSINGLE TOOTH CUTTERSWITH
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DEBURRINGTOOLSSTRATUMTNROUTERBITSEN
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THREADCUTTERS■ extremely sharp cu
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DEBURRINGTOOLSROUTERBITSENGRAVINGTO
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DEBURRINGTOOLSENGRAVINGTOOLSDOUBLE
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DEBURRINGTOOLSENGRAVINGTOOLSDOUBLE
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RUB OUT CUTTERSTHREADCUTTERSDRILLS
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DEBURRINGTOOLSSTRATUMTNROUTERBITSEN
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DEBURRINGTOOLSROUTERBITSTHREADCUTTE
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ENGRAVINGTOOLSMULTI-TOOTHMILLINGCUT
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ROUTERBITSDEBURRINGTOOLSENGRAVINGTO
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DEBURRINGTOOLSROUTERBITSENGRAVINGTO
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ENGRAVINGTOOLSSTRATUMDIADEBURRINGTO
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DEBURRINGTOOLSROUTERBITSTHREADCUTTE
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ENDLESS POSSIBILITIES.WITH ORIGINAL
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ENGRAVING TOOLSMILLINGCUTTERSENGRAV
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ENGRAVING TOOLSArticle no.αD3(mm)D
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ENGRAVING TOOLSArticle no.αD3(mm)D
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Page 89 and 90: DEBURRING TOOLSMILLINGCUTTERSDEBURR
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Page 93 and 94: ROUTER BITSMILLINGCUTTERSROUTER BIT
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Page 104 and 105: MILLINGCUTTERS8ACCESSORIESLANCESAND
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Page 108 and 109: DEBURRINGTOOLSENGRAVINGTOOLSMILLING
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Page 128 and 129: DEBURRINGTOOLSfoamsfoilrubbercardbo
Page 131 and 132: SO THAT YOUR PROJECTS DO NOT STAND
Page 133 and 134: ACCESSORIESMILLINGCUTTERSACCESSORIE
Page 135 and 136: ACCESSORIESMILLINGCUTTERSSTOP RINGS
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