Общий каталог SGS 2018 - страница 22

Tool ToolTool • •Whenever Whenever • Whenever possible, possible, possible, select select select an anend end anmill end millwith with mill the with thelargest largest the largest diameter, diameter, diameter, shortest shortest shortest flute flutelength, flute length, length, Application and andshortest and shortest Tips shortest overall overall overall length length length for forthe the forbest best the rigidity best rigidity rigidity • •Long Long • Long flute flutetools flute toolstools are arenot not areintended intended not intended for forpocketing, pocketing, for pocketing, slotting, slotting, slotting, ororheavy heavy or heavy profiling profiling profiling ––limit limit –Rw limit Rwtoto Rw .02D .02D to .02D • •High High • High Performance Performance Performance tools toolstools minimize minimize minimize cycle cycle cycle time timeand time andextend and extend extend tool toollife tool life life Tool • Whenever possible, select an end mill with the largest diameter, shortest flute length, and shortest overall length for the best rigidity Tool ToolHolders Tool Holders Holders • •Holders Holders •• LHolders with ongwithadequate with adequate flute adequate tools gripping aregripping notgripping pressure pressure intendedpressure forand andTIR and TIRare are TIRrequired pocketing, required are required slotting, or heavy profiling – limit Ae to .02D • •Stub Stub •• HStub holders holders holders ororzero zero or length igh Performance zero length length collet toolscollet collet style stylestyle minimize holders holders cycleholders are arerecommended time recommended areextend and recommended toolfor for heavy lifeheavy for heavy stock stock stock removal removal removal • •When When • When using using using solid solidsolid holders, holders, holders, hand handhand ground ground ground screw screw screw flats flatsare flats arenot not arerecommended recommended not recommended Tool Holders • Holders with adequate gripping pressure and TIR are required Workpiece Workpiece Workpiece • •Secure Secure •• SSecure clamping tubclamping clamping holdersofor ofthe the ofworkpiece zero workpiece the workpiece length will willreduce collet reduce will reduce style chatter chatter chatter holders and and are deflection and deflection deflectionfor heavy stock removal recommended • When using solid holders, hand ground screw flats are not recommended Machine Machine Machine • •Spindle Spindle • Spindle must mustmust be beininbe optimum optimum in optimum condition condition condition for forprecise precise for precise TIR TIRand and TIRmaximum and maximum maximum tool toollife tool life life Workpiece • S  ecure • •Sufficient Sufficient clamping • Sufficient horsepower horsepower horsepowerof the workpiece isisrequired required is required will totoperform perform reduce to perform chatter atatrecommended recommended and at recommended deflection speeds speeds speeds and andfeeds and feedsfeeds • •Reduce Reduce • Reduce rates ratesrates for forlow low forpower low power power machines machines machines totoprevent prevent to prevent workpiece workpiece workpiece and and/ and /orortool tool / ordamage tool damage damage Machine • Spindle must be in optimum condition for precise TIR and maximum tool life Coolant Coolant Coolant •• SAvoid • •Avoid Avoid ufficient re-millinghorsepower re-milling re-milling chips chips chips through is use through required through useofuse ofair to airof perform blast blast air blast atliquid ororliquid liquid or recommended coolant coolant coolant as asspeeds asnecessary necessary and feeds necessary •• RMaintain • •Maintaineduce Maintain rates clean clean clean for coolant coolant low coolant power with with machines appropriate with appropriate appropriate toconcentration prevent workpiece and / or tool damage concentration concentration • •General General • General recommendations: recommendations: recommendations: Coolant • Avoid re-milling chips through use of air blast or liquid coolant as necessary –Water –Water –Water Soluble Soluble Soluble Oil OilororOil Air AirorBlast: Blast: Air Blast: Tool ToolSteels, Tool Steels, Steels, Mold MoldMold &&Die Die &Steels, Steels, Die Steels, Carbon Carbon Carbon ororAlloy Alloy or Alloy Steels Steels Steels • Maintain clean coolant with appropriate concentration –Water –Water –Water Soluble Soluble Soluble Oil: Oil:Stainless Stainless Oil: Stainless Steels, Steels, Steels, Titanium, Titanium, Titanium, High HighHigh Temperature Temperature Temperature Alloys, Alloys, Alloys, Non-Ferrous Non-Ferrous Non-Ferrous Alloys Alloys Alloys • General recommendations: —Water Soluble Oil or Air Blast: Tool Steels, Mold & Die Steels, Carbon or Alloy Steels Methods Methods Methods • •Climb Climb • Climb milling milling milling isisgenerally generally is generally preferred preferred preferred —Water Soluble Oil: Stainless Steels, Titanium, High Temperature Alloys, Non-Ferrous Alloys • •Attention Attention • Attention totoprogramming programming to programming details, details, details, tool toolholders, tool holders, holders, TIR, TIR,balance, TIR, balance, balance, fixturing, fixturing, fixturing, etc. etc.improve etc. improve improve cutting cutting cutting tool tool tool performance performance performanceand andextend and extend extend tool toollife tool life life Methods • Climb milling is generally preferred • Attention to programming details, tool holders, TIR, balance, fixturing, etc. improve cutting tool performance and extend tool life END ENDEND MILLING MILLING MILLING GUIDELINE GUIDELINE GUIDELINE END MILLING GUIDELINE DD1 1==cutting Dcutting 1 = cutting diameter diameter diameter LL2 2==flute Lflute 2 = length flute length length D1 = cutting diameter L2 = flute length Speeds Speeds Speeds and andFeeds Speeds and Feeds and Feeds for forCut Feeds Cut for forTypes Types Cut CutTypes are arebased Types based are arebased on onRadial basedRadial on onRadial Width Width Width Radial (Width ( Rw Rw ( ( Rw ) )Ae and and)Axial and Axial ) andAxial Depth Depth AxialDepth ( Depth (Ad Ad)()Ad ) ) ( Ap Reductions Reductions Reductions totoSpeeds Reductions Speeds to Speeds and andFeeds Speeds and Feeds andFeeds may maybe Feedsmay benecessary maynecessary be benecessary when: when: necessarywhen: • •Rw Rw•and when: and Rw • AeAd and Adand exceed exceed AdAp exceed recommendations recommendations exceed recommendations recommendations • •Using Using• long Using • Using longlonglong flute fluteor flute flute or extended orextended extended or extended reach reachreachreach tools toolstoolstools • •Using Using• long Using • Using longtool longlong tool tool holders tool holders holders holders • Machining • •Machining Machining • Machining materials materialsmaterials materials harder harder harder harder than than thanlisted than listed listed listed ENTRYENTRY ENTRY ENTRY METHODS METHODS METHODS METHODS Pre-Drilled Pre-Drilled Pre-Drilled HoleHole Hole Helical Helical Helical Straight Straight Straight Plunge Plunge Plunge Ramp RampRamp Ramp RampRamp Pre-drilling is the preferred entry Alternative methods are helical and straight ramping. H  igh Plunge only in non-ferrous Pre-drilling Pre-drilling Pre-drillingisisthe theispreferred the preferred preferred Alternative Alternative Alternative methodsmethods methods are arehelical are helical helical and andstraight and straight straight ramping. ramping. ramping. Plunge Plunge onlyin Plunge only innon-ferrous onlynon-ferrous in non-ferrous method for most applications. ramp angles require reduced feed. Lower ramp a ngles will and short-chipping materials entryentry entry method method method for for most formost most High HighHigh ramp rampramp angles anglesangles requirerequire require reducedreduced reduced feed. feed.feed. Lower Lower Lower ramp rampramp and andshort-chipping and short-chipping short-chipping materials materials materials allow higher feed rates and extend tool life. Use slotting using slotting speeds and applications. applications. applications. anglesangles angles will willallow will allow allow higher higher higher feed feedfeed rates ratesrates and andextend and extend extend tool toollife. tool life. life. using usingslotting slotting using speeds speeds slotting and and and speeds speeds and feeds for ramp angles of 1° to 2°. R  educe feed to 25% slotting feeds. Use Useslotting Use slotting slottingspeeds speeds speeds and andfeeds and feeds feeds for forramp for ramp ramp anglesangles angles ofof1°1°of toto1°2°.to 2°. 25% 2°. 25%slotting 25% slotting slotting feeds. feeds. feeds. 25% when ramp angles approach 6°. G  eneral purpose tools ReduceReduce Reduce feed feedfeed toto25%to when 25% 25% when when ramp rampramp anglesangles angles approach approach approach 6°. 6°. 6°. and/or difficult to machine materials will require lower ramp General General General purposepurpose purpose tools toolstools and/orand/or and/or difficult difficult difficulttotomachine to machine machine angles and reduced feed. materials materials materials will willrequire will require require lower lowerlower ramp rampramp anglesangles angles and andreduced and reducedreducedfeed. feed.feed. 22 END MILLS END MILLS www.kyocera-sgstool.com