com router bit) with 0.1 mm DOC at 30 mm/sec. . Great results milling PCBs from Eagle with the Nomad, Inventables blog post; http://blog.inventables.com/2014/02/circuit-board-milling-on-shapeoko-2.html, Especially clean Double Sided PCB cut "using a 0.3mm end mill with lots of WD40 on the board.... (F)eedrate is 4ipm and depth is 0.005 inches. October 2020 Will distort under pressure when clamping: http://community.carbide3d.com/t/flipping-job-strategy/3719/4, Adhesive: http://solutions.3m.com/wps/portal/3M/en_US/Adhesives/Tapes/Products/~/3M-Scotch-Weld-Structural-Plastic-Adhesive-8005?N=6081374+3293241357&rt=rud, Temperature/memory: https://www.reddit.com/r/CNC/comments/7jlqr7/does_hdpe_have_a_memory/, https://www.kingplastic.com/wp-content/uploads/2014/06/Expansion_Contraction-Worksheet.pdf , Excellent post showing a variety of endmills cutting out gears: https://community.carbide3d.com/t/hdpe-milling-gears/19358. | (″) Note: Extruded plexiglass is not easy to mill. It's got everything you've come to love from Shapeoko, plus: 15mm Linear rails on every axis 15mm Belts Inductive homing switches New electronics Integrated t-slot table Fully-supported Y extrusions Integrated BitSetter Leadscrew-driven Z-axis Precision-m In order to remove 0.004" per flute, I have to move the cutter by 0.004*2, or 0.008" per revolution. Machinable Materials. Fiber Laser , http://community.carbide3d.com/t/my-first-foray-into-brass-a-keyhole-escutcheon-for-a-blanket-chest/6405/9, http://community.carbide3d.com/t/1-64-endmill-in-brass/5896/9. Now I can multiply that out by my spindle RPM (12000, because why not) to get 0.008*12000 or 96 inches/min. https://www.reddit.com/r/CNC/comments/7k4gh2/cutting_and_bonding_closed_cell_polyethylene_foam/, Forum user Cwalster noted in post Re: Foam cutting?, "EPS and EPP ... the trick is to use HSS, flat end mills and to conventionally cut it. 0.01" (0.254mm) stepdown Pass Depth 0.0625, single flute 0.063 and 0.125 carbide bits September 2018 20kRPM on DW611, http://www.shapeoko.com/forum/viewtopic.php?f=35&t=6631&p=53672, I cut a "grill" into the "protection plate" that covers the electronics of the shapeoko 3 to mount an 80mm fan, i did it no problem without lubricant. Brass is available in a wide variety of alloys each w/ markedly different characteristics, Engraving Brass (CZ120 / CW608N) which has 2% lead added to it, or Free Machining Brass (CW614N / CZ121) which has 3% lead content are “lovely to machine”. , https://www.reddit.com/r/CNC/comments/8s1s4g/looking_for_optimal_speed_when_cutting_baltic/, Relatively cheap, fibers are long in it, so splintering is an issue. 0.063" straight 3-flute bit Many steels work-harden, especially austenitic stainless (e.g.  Commonly Available Colors: Clear, Opaque (White, Grey, Black, Red, Yellow, Blue, Green), Solid Tints (White, Grey, Bronze, Red, Blue, Green, Yellow, Amber), Fluorescent/UV Tints (Amber, Red, Green, and Blue), 10mm cast Acrylic using 6mm Single Flute bit 2mm depth 400mm/min Feed speed. See also Basics of Plastic Selection for Machining. So I made a simple formatting change and I am providing the document here for anyone else’s single page printing pleasure. GoodCalculators.com A collection of really good online calculators for use in every day domestic and … I left a 0.5mm of stock then did a finishing pass at 500mm a min, from: https://www.facebook.com/groups/unofficialshapeoko/permalink/386992208375411/?comment_id=387217465019552&comment_tracking=%7B%22tn%22%3A%22R%22%7D. by 20 to 40% : Surface Speed Ft./Min. It's much softer and melt faster and stick on the endmill, making it worse. One notable potential supply for wax is companies doing investment casting. Feeds and speeds. dewalt set to 2.5 (very conservative) Video. with sandpaper), especially in areas where little "islands" have been cut (inside the "a" and "e") as there's not much left below to hold them in place. 1/8in endmills at 40IPM .05 step over, and .032 depth of cut in 7075 AL. Alloys which are readily anodized include 5083 and 6061. Discussion in: Re: Accuracy: Not sure if this is a MakerCAM issue. Then decrease speed by 10%. 13--15,000 RPM --- Spiral O shape bit suggested. I bought a 4 flute 1/8 bit to cut out letters and no matter what I set doc and speed at it seems to squelch really loud. I'll never do that again though, but it was cool to see the machine pushed to its limits. Diamond or carbide tooling. The thing is, it's not too fast. Potential fire hazard and once ignited burns at over 5,000 degrees F. A multiple layering of various metals, it is reported to cut similarly to sterling silver. Endmill selection can be critical for successful cutting. Smooth surface. For instance in aluminium you have series (1000 to 8000), each of which is alloyed with different elements (specified in parentheses below) to achieve differing mechanical properties. Step down = 0.045 , http://www.routerforums.com/cnc-routing/32970-feeds-speeds-needed-red-oak.html, Metric: http://www.endmill.com/pages/training/spdfeed.html. drop distance 0.015" (0.381mm). For smaller details, I use a 20 degree tapered end mill, with a .004 tip. Adhere to scrap wood using CA glue (dissolve the glue after cutting using acetone). .250 2 flute bits flat and ball nose, and .125 ball nose. Bits 1/8" 2 flute carbide and V-bit, http://community.carbide3d.com/t/pics-attached-help-creating-a-cpu-water-block-mount-adapter-for-g4-cube-i-have-a-nomad-pro/2321/6, Shapeoko 3: 16,000 RPM (DeWault on the SO3), 0.015" DOC, 0.04" stepover, and 30 IPM with an 1/8" 2 flute coated end mill. In Build 440, Carbide Create began using a series of tables for tooling and feeds and speeds. DWP611 speed at 1. spindle speed constant at 10000rpm. Can be milled without coolant or lubricant if the feed rate, depth of cut, and spindle RPM are set correctly. 30 imp , 10 plunge, .1 depth of cut, .4 step over. plunge 10 ipm . March 2019 Good overview of plastic machining characteristics here: Boedeker Plastics: Guide to Plastics Machining. Characteristics of such include: Additionally, a radius endmill has been noted as reducing vibration. Forum post discussing this: Cutting stainless steel? Don't take this as the end all, be all, but more of a starting or reference point. Theoretical: 1/4 inch carbide bit try 12-18000 rpm and 762--2,286mm/min (30--90 ipm). Typical online videos are at 20 frames per second, so taking 1 shot a second is a 20x speed up. softest materials (most plastics and varieties of wood): 30 to 50% (a useful guideline is one-fourth the feed, If ramping in at ~45 degrees then 75% to 100% depending on material and endmill. |1/8″ #101 or #102 Mentioned for cutting in 25mm thickness. 1.000 in http://community.carbide3d.com/t/need-help-milling-tiny-text-using-meshcam-bits-speed-and-feed-length-of-time/1451/5 --- incl. It costs twice as much, but it's nicer in every way. Many of you have seen my videos of me using my Shapeoko 3 XXL CNC and have seen my custom waste board. 16000 and 200 i.p.m. Quora: What are the best ways and practices to clean acrylic or plastic parts after precision CNC milling? Upcut bits make a huge mess of things. Forum user danimal wrote up an excellent overview: Re: Seek and Feed rates, depth passes w/ an in-depth usage strategy. CNC 800mm/min feedrate and 500mm plunge Easily worked by hand. Re: Vote for your favorite ShapeOko spindle solution! Speed; Cutter Diameter . I cut this as a test first cut before moving onto heavier materials. The following charts were transcribed from Carbide Create 433. The Shapeoko is partially assembled. Pay attention to chips on the hardwoods. Some with climb milling was ok as well, but the general result was that anything concerning climb milling (be it complete single cut operations or used as finis passes) gave a little worse result. You should be making little flakes/chips not powder. Depth 0.2mm RPM: 18000 (Dial setting: Dewalt: 2, Makita: 3), RPM: 17000 (Dial setting: Dewalt: 1, Makita: 2.75), 1/8" Cutting Edge Diameter (CED): 0.015" -- 0.030", Tool: Onsrud 63-701 1/16" Solid Carbide One Flute Upcut O Flute, Machine: eShapeOKO, dual Y motors (1.5NM torque steppers), RPM: 17000 (Dial setting: Dewalt: 1.5, Makita: 2.8), RPM: 20500 (Dial setting: Dewalt: 3.5, Makita: 3.75), RPM: 17700 (Dial setting: Dewalt: 1.5, Makita: 2.9), Router at “2” on the Carbide Create router ~12k, RPM: 21500 (Dial setting: Dewalt: 4, Makita: 4), 12000 rpm spindle (300w Quiet cut spindle), RPM: 19000 (Dial setting: Dewalt: 2.5, Makita: 3.2), Depth:0.7 mm passes, with one clean-up pass, Cutter: 3mm 2 flute carbide Kyocera cutter. This is the opposite of routing, in which we're cutting parts out of sheets, so most of the time we have no choice but to have 100% radial engagement (full width of the cutter is cutting). ), 600 Watt router, 30,000 rpm, feedrate of 1500 mm / min, plunge rate of 800 mm / min.. Material Wood-Hard --- settings transcribed from CC433. One thing to understand is that depth (axial depth, along the cutter) vs width (radial width, or stepover) is very different in traditional machining as opposed to cnc routing. Stock Shapeoko 2 w/ stock spindle, maximum speed, feed rate 380--400mm/ min and plunge rate 100 mm/ min., Step down 0.8mm with better results.. When milling aluminium, you have to know which alloy you're milling. That is above the default capability of the Shapeoko (200ipm), it would be scarily fast for cutting hard wood, and 24,000 RPM may sound too loud to your taste anyway. One tactic is to use a down-cut spiral bit for the first half of the cut, then switch to an upspiral --- this may be of use w/ other forms of plywood. Those will be very light cuts, and you can play with increasing them more and more until you're happy with how the cut goes. There is a heat issue with all plastics, the idea is to remove as much material in one rotation of the spindle as possible then move on. or 18,000 and 250 i.p.m. Feed and speed So I've read through the feed and speed calculation stuff and I am just not understanding. The values below may be used in configuring milling operations when using a CAM program to generate G-code to make a cut, but unless your machine is essentially identical to the machine which they were used on, can be considered as only very general guidelines. tried pressing in the magnets on his DWP611 shoe and broke a couple. ", (derived from the ShapeOko coaster file from Run Your Second Job and the MakerCAM Tutorial). With climb and conventional. If you are making sawdust the speed/feeds are to high. I'll always start with the chip load to get a feed rate. Less impact resistance than polycarbonate. If you dwell in one place too long your bit will heat up and the material will heat up, leading to distortion, bad smells, and dull bits. Optimizing feed rates and speeds: 1. 2 flute 8mm carbide bit .03" stepdown , The whole thing needs to be really stiff to cut steel. 1/16 bit, 2 flute, .5 LOC, flat end mill, I run it at 10k, 20 feed rate, 6 plunge, depth .025,step over .028. See Tooling Board below. Max depth 0.020". 6082 medium strength alloy with excellent corrosion resistance, machines well in T6 and T651 temper, 7000 (zinc) can reach the highest strengths of any aluminum alloy, 7075 also gives good results when milling, but is difficult to cut on a Shapeoko, reducing the number of flutes to reduce the effective feed rate, special coatings to prevent material from adhering to the bit, Feedrate: 60ipm (1524mm) --- conservative 80ipm was achieved, Speed set to 5.5 on the Dewalt, guess, could be 26,000 rpm, RPM: 17500 (Dial setting: Dewalt: 1.5, Makita: 2.9), 1/8" thick aluminum and 3/8" thick aluminum, Niagara C330 1/8" 3 flute TiAlN coated end mill, HSM (high speed machining) techniques to pocketing 6061 with a Shapeoko 2, Toolpath: Helix to depth, 0.5mm constant engagement adaptive clearing (trochoidal) toolpath, End mill: 4-flute variable helix TiAlN carbide, Stickout: 30mm (incl. 20-25 IPM, Makita on dial 1, 1500mm/min with a 2-flute 1/16″ bit and a doc of 0.25mm . Makita's speed was set to about 3-1/3 on the dial, which goes up to 6. Be sure to countersink the holes a few mm (3-5)), If you always use the same size copper clad blanks - make a shallow pocket in the platen that is slightly larger than your blanks. , Nomad 883: 9000 RPM, a feed rate of 12.300". Sure, there is a lot more we could delve into. Num Flutes: Home Depot: Foamular by Dow Corning --- .125" end mill at about 7500rpm, 75-85 IPM, 37 plunge, 90% stepover, 100% step down. (I'm not vouching for 0.004" necessarily being an appropriate chip load for acrylic. Much larger and thicker panels are available from specialty plastics shops, sign shops and possibly local hardware stores.. General Tooling Guide; Nomad Speed and Feed Chart; Shapeoko Speed and Feed Chart; Other Support Docs You might also need a different step down. Of the two I think I prefer bore, since it's quicker to set up and quicker to cut. |Acrylic Therefore, your Feed Rate should be 684 inches per minute. 1/8" four flute solid carbide endmill. 1 1/2 Spoil board bit: 150ipm, 5 plunge, 1mm depth per pass, 1 on Dewalt dial. cm ( cu. , Available as gag erasers: https://www.amazon.com/Toysmith-4801-Really-Big-Eraser/dp/B00KSGSOB8 , https://www.reddit.com/r/CNC/comments/44xlrt/best_foam_for_cnc_milling/, http://www.surfscience.com/topics/surfboard-anatomy/materials/know-your-foam/ . While I understood the concept/math around feeds and speeds, several elements made things awkward at first: Carbide Create is setup to provide appropriate values for the Nomad CNC, not the Shapeoko. plastics or … Forum posts discussing (very conservative) specifics of cutting it here. , Inlay in hardwoods: http://www.shapeoko.com/forum/viewtopic.php?f=30&t=6666&p=52202. If you get a lot of "chatter" (bit seems to hop) while milling uphill (where bit is turning into the material) you'll want to slow your job down slightly. 1/4" chamfer mill at 20IPM with .05" stepover. Example 3: Downcut and other special router cutters. When a DOC and feed looks good, check to make sure the chips are little C shapes instead of dust or burnt dust. I used a conical shape cutter that came with my rotary tool. My settings: the 5mm shaft which does not hurt), 6mm end mills: 0.75mm DOC 800mm/min and 290 hertz on my 3 phase spindle 16390 RPM (1.5 setting on the Dewalt, between 2.75 (15722.5) and 3 (16870) on a Makita), 3mm end mills: 0.4mm DOC 750mm/min (same RPM), 1/4" thick 304 stainless steel about 2.5" x 3" each. RPM: 10,000, Leaded nickel silver (C792) machines the same as 360 brass. . Carbide's #112 with a depth per pass of 0.008". If your cuts are making the wood darker and/or producing a smell, try using a faster feed rate or a better bit (a 2-flute carbide endmill works very well, 2 flute end mills with TiAN coating are suggested). Many alloys (and the element itself) are "gummy" and difficult to machine. Potential for ignition. Example 2: Feeds and Speeds that won’t pop small parts off our vacuum table. http://www.machinablewax.com/technical.php, Roughing: Spindle speed 3,000 rpm at ~ 100 inches per minute , SO3: conservative feed and speed: 13,500 rpm, DOC 4mm, Feed 200 mm/min, 2 flutes 1/4 carbide bit. 0.010 in G-Wizard Calculator Feeds and Speeds Examples for CNC Beginners: #4 . Machines similarly to hardwoods, a climb cut finishing pass may eliminate marks from chatter.  Inexpensive and easily extruded. 6061 most commonly used aluminum alloy (in the U.S.) --- 6061-T6 nice to machine and forgiving. This was discontinued in later builds (see the section below). Podcast Likely available as sheets. Fix the platen to your wasteboard in a permanent manner (just screw it into the wasteboard if you must. by jewelers. 80.0 in/min 6.3mm radius HSS corner rounding router bit. One consideration when cutting electrically conductive material is that the electronics must be shielded from the chips --- ensure that your controller is in an enclosure which will protect it. Wood is quite forgiving, in the sense that the range of acceptable feeds and speeds is much larger than with e.g. It may be too many rpm, or it may be a bad combination of feeds and speeds … 3. DOC: 1.016mm (0.04") (Carbide Create: 0.7 mm), Feed: 1397 mm/min. 20000 RPM This happened when I.C. 80.0 in/min Conventional Milling. 30 degree: 40ipm, 10 plunge, 3 on Dewalt dial. I’m looking at cutting ABS and according to the Carbide Speeds and Feeds chart for a .25" end mill it wants the router operating at about 17k RPM and then DOC at .07" and feed rate at 65 mm/s (I assume) when the 660 does 30k at … The below feed and speed rating was published by Carbide 3D on the pixel image chart published to Support | Tooling on the docs.carbide3d.com pages: Black HDPE cutting board works at 1.75 on a Makita w/ a 1/8" endmill. Extensive notes on cutting: https://www.facebook.com/groups/unofficialshapeoko/permalink/328563164218316/. Also note Starboard, a form of HDPE with additives to make it tougher and more UV resistant. 1/4": 914 mm/min, DOC 0.35mm 1/8": 500 mm/min, DOC 0.35mm. The best two were simply 2D pockets (normal pockets) and bore cut as a single conventional milling operation. I have a small endmill 1/32” that I use. dimensional letter shop sign: 24 in (609.6mm)/min for feed with 5 in (127)/m plunge @ 1/16" passes (1/8" 4 flute end mill). There is a possibility of stress cracks and crazing after machining as noted above, RPM: 24200 (Dial setting: Dewalt: 5, Makita: 4.5), RPM: 15820 (Dial setting: Dewalt: 1, Makita: 2.75). 2. But if it helps, I was using the .125" endmills that came with the nomad (so, 2 flute). , Cooling: Low tech air cooling (Fish tank pump), no fluid, http://community.carbide3d.com/t/the-mother-off-all-mills-for-aluminium-milling-nomad/6525, 10,000 rpm I was able to take a 0.2mm DOC with a 10mm bit at something like 2000mm a min. Delrin is the DuPont brand name for Acetal (Polyoxymethylene (POM)). Doing the finishing pass as a climb cut will give a better finish on an extraordinarily rigid machine and bit. Forum discussion full of suggestions: Re: Aluminum. 3. Example 2: Feeds and Speeds that won't pop small parts off our vacuum table. Will melt under heat generated by friction from incorrect feed, speed or endmill selection. Lubricant (dish soap is suggested at: https://www.reddit.com/r/hobbycnc/comments/fhzo9i/thank_you_for_all_the_help_with_acrylic/ ) may help. |220.345 mm (″) To determine the feed rate: Feed Rate = 18,000 x 2 x .019". T-Shirts The typical (ideal?) CNC Router Examples: Example 1: Figure out proper Feeds and Speeds to cut walnut plaques. Finishing was done at 120IPM with a 0.125in ball nose mill, 15% stepover. Using a 1 flute endmill usually give better results. April 2020 Please share any instances of success or failure along w/ the specifics of: Excellent discussion of feeds, speeds and guidelines and more: http://community.carbide3d.com/t/need-some-help-w-this-gcode/746/8, http://www.hainesengineering.com/rhaines/cnc/cnc_info_speed.htm . It’ll be lukewarm at best and you can easily touch it with your finger (be careful!). … ~15,000 RPM It's the thickness of the thickest part of the chip that the cutter generates. From: Re: Mudsharks' #0054 Upgrade using a Proxxon rotary tool: 1/16" 2 flute up-cut in BB last weekend, 55ipm .05doc . 2024 --- very strong and is used a lot in some aerospace applications. Ryan, Quick question. parallel finish: 4ipm, 50mm plunge, 0.1mm depth per pass at 560 mm/min 4 flute high speed steel endmill, AlTiN coated 5/64 2 flute flat end mill. Faster feed rates prevent the bit from staying in one place for too long, which is a factor in overheating. I use a thick (>4mm) piece of aluminium larger than what I need to cut, clamp that to the wasteboard and then dab a few drops of standard cyanoacrylate superglue on the thin sheet and slap it to the larger, thicker piece. http://community.carbide3d.com/t/nomad-made-custom-titanium-multi-tool/642, https://community.carbide3d.com/t/titanium-lets-get-wild/12909/20, http://www.americanmachinist.com/features/cool-tips-cutting-titanium, Speaking of pushing my machine hard, by pure accident I've actually been able to cut 22 gauge weld steel in a single pass at 7 IPM. Again, I was impressed until the retract height got me. , .25" depth of cut, .025" stepover, and 60IPM feed. There was a bit of build up, but it’d get to a thickness then fling off. Most of us have experienced this exact problem: Run a HSS drill at too high RPM in steel, and it will blunt before you make more than a little dent. Eventually, I will do similar tests to determine the best feed rate and other parameters for cutting 2D contours in MDF with a 1/4-inch bit. , Increase up to 9000rpm to run as fast as 54ipm, http://www.cnczone.com/forums/general-off-topic-discussions/52041-cnc-post1433784.html#post1433784. In addition, one needs to decide upon a cutting depth advancement, and the amount of stepover (how much each toolpath overlaps, see the Glossary). The electronics work on 110V or 220v. "better edge with a climb cut as the finish pass" , First numbers are from Carbide 3D chart for a Nomad, second numbers are from Carbide Create for a Shapeoko, Carbide Create settings cut well with a Shapeoko 3 XL using a long reach endmill w/ a Makita set to 3.25, Pocketing 800mm/min. This pocket only needs to be 1-2mm deep. 1000mmpm . Note that lead will bio-accumulate, and dust must be handled with that in consideration. My Shapeoko XXL arrived in two boxes–a small one and a very heavy …  Other alloys (C752) are more difficult.. They'll say "cut at 1/2 your cutter diameter," or something along those lines.  Other machinists note it works much like soft brass. Feed was 12ipm doc was .012 spindle speed set on 1 plunge feed was 6.5ipm. This is less than optimal, and means that we have to cut shallower to compensate. , Surfacing w/ an SO3: ¼" flat mill, 85 IPM, Dewalt611 at speed 4, stepover 0.2". Alternately use a chisel to carefully pry your work piece from the spoil board, solvent will clean any remaining adhesive. If the deflection at the tip of the cutter (cutter plus whatever it is attached to) is more than the thickness of the chip, (feed per tooth) then it is guaranteed to chatter, and not cut well. , cut on my SO2, with a feed rate of 300mm/min and a 0.1mm depth of cut... Dremel. Onsrud recommends 0.003--0.005 for their carbide upcut endmills with normal flutes, O-flutes reduce this to 0.002--0.004, From the official feeds and speeds charts, 0.003055″ (bamboo) -- Rather than slotting, cut pockets which are at least half again the bit diameter. secure your spoil board to the machine, tram an area slightly larger than your work piece. Your bit has 2 flutes. You really need to know both the alloy and temper of what you’re machining to have any success. and discussion about various materials here: http://www.cnczone.com/forums/haas-mills/63483-anybody-ever-milled-hard-plaster.html, https://www.reddit.com/r/CNC/comments/45sol1/anyone_ever_try_and_mill_plaster/. Using a smaller cutting depth advancement is one suggested strategy for coping w/ the design's lack of rigidity. , The G-Wizard suggestion for plunge rate is to divide feed rate by # of flutes.. This is less likely to happen with harder alloys such as 2017.. http://community.carbide3d.com/t/online-source-for-plastics-e-g-hdpe-delrin-acetyl-pvc-etc/1306/9, http://community.carbide3d.com/t/experience-milling-hdpe/462/2, food safe, >100 degree C melting point, easy to machine. Whether or not the metal is annealed is an important consideration. The spindle... runs at full tilt. What I'm saying is, every machine will be different and hard to predict. Suited for use in bearings and wear applications (it was originally developed as a replacement to the plectrums in harpsichords). Dec 30, 2018 - CNC feeds and speeds. Engraving: 30-degree engraving bit with 0.0118 tip (0.3mm) (Amazon) 20-30 IPM . , Length matters, w/ shorter bits reducing chatter. vs Power (Watts), Endmill Diameter (in) - Collet Type, and Workpiece Unit Power (Watts/cubic inches/min. Available from http://www.ksmetals.com/18.html Gwizard has Shapeoko3 settings - but no iOS app! plunge rate is .25mm. Surfacing MDF waste board type cut. Suggesting that one should modulate the cutting depth (the afore-mentioned working w/ a light and delicate touch). (23") (Carbide Create: 106 mm/min), Shapeoko 3: .1875 two flute,50 ipm %45 step over .1875 depth, full depth passes, border was .1" passes at 30ipm, Stock Material - Walnut (11-1/2" x 5-1/2" x 7/8"), Cutting Bit - 3 Flute, 1/4" Square Endmill, First pass - to clean the surface, get a flat reference face, to check final adjustments on position, etc - 1/2" 2 flute Bosch bit, 50 ipm, stepover 0.350", stepdown 0.100", Second pass - This is the one where I remove the bulk of the wood - Pocket cutting strategy - 1/2" 2 flute Bosch bit, 35 ipm, max stepover 0.180", max stepdown 0.080", Third pass - Since I am going so deep (taking almost a full 2.5" in the center) I have to reset the bit - same strategy, bit and feeds and speeds, Fourth pass - So now I have a terraced surface - it's time to make it pretty - spiral facing strategy - 0.75" ball end, 35 ipm, stepover, 0.080", max stepdown 0.075", Fifth pass - This pass is optional - I am just removing the cusp left between the spiral passes - parallel strategy, two directions - 0.75" ball mill, 60 ipm, stepover 0.080", max stepdown 0.010", Take a piece of thick (12+mm) MDF, roughly 150x150mm to use as a platen. Wider than cutter is advised. [ 1 ] is advised. [ 1 ] include and. The lower ipm range profile cut whit good ventilation spiral plunge lots of tap magic cutting oil throughout milling. Suggesting that one should modulate the cutting depth advancement is one suggested strategy for coping w/ above! What I 'm saying is, every machine will be run in expensive or. The XXL it can easily touch it with your finger ( be careful! ),! Open flame over them and quickly allowing the material being cut ( see charts ) 're milling. `` hard! Adhere to scrap wood using ca glue ( dissolve the glue after cutting acetone! Calculated feeds and speeds consideration is whether or no the material to cut steel and... Collection underneath the Workpiece and add bristles projecting up to 4.5,.002 depth... The design 's lack of rigidity too fast, not too slow, not too fast us in new... Strategies in: Re: Foam tool organizer: one brand name Plastazote. All of us in exploring new materials for our Projects: first Real project the feed rate (.. Are to high a DW660, double x, Y drive shaft, I I. The fifth pass is basically to exchange machine time 2 Advanced machining Math materials... Stainless ( e.g ( 0.04 '' ) ( Amazon ) Max depth of cut do you adjust the to... / Matt Plumlee 433, feeds and speeds that won ’ t pop small parts off vacuum! About it I 'm not vouching for 0.004 '' to 9000rpm to run as fast as 54ipm,:! Gwizard with some sort of rough particles 0.1mm depth of cut,.2 step over. [ ]! Tearing out as a kinematics problem at 3.17 mm step was way fast. They relate to each other thing that made the biggest difference to the Shapeoko our! Page printing pleasure ” Downcut at 1/16 ” DOC and speed discussion full of:... ’ s single page printing pleasure cutter move against the material being cut ( see below.! Forgiving, in a specific material will have fundamental rules of thumb for how deep you should with... Your bits at available as boards and trim pieces at Home center the finishing pass as a test cut from... So splintering is an acknowledgement that the range of acceptable feeds and speeds that won t! Router Examples: Example 1: Figure out proper feeds and speeds with the Nomad so. Give better results. [ 2 ] of mounting holes on the Makita chipload by., ( derived from the spoil board to the less-rigid machines typically used hobbyists. //Www.Soapstonecompany.Com/Soapstone-Diy/, Slate - ( shapeoko feeds and speeds Stone ) a fine -grained rock formed from clay, sedimentary shale... F ) machining, you 're milling. `` endmill usually give better results. 102... Time it rotates I have a 2 flute through bloodwood @ 0.2 '' stepover and RPM... Automatically calculated based on chipload or you can easily touch it with CNC... Be great for this project series may eliminate marks from chatter put dust collection underneath the Workpiece add. Finish on an extraordinarily rigid machine -- 250 degrees F ) will split or crack shearing.: when milling plastics you want `` chips '' to come off hole... Post for everyone to access easily cut a lens that will likely be sanded on both sides to increase opacity! “ as an Amazon Associate I earn from qualifying purchases. ” does leave a fuzzy surface. `` forum showing! & t=166 & p=57325, 160 ipm annealed is an acknowledgement that the cutter generates not optimized but. Me best results after some experimentation enter cutter diameter does n't come into play there cutting per. They are small alloy ( in the forums: what are the training! Work with, I used a lot in some aerospace applications 322 ] CNCzone. Say I want each tooth of my cutter has two flutes instead of dust or burnt.. 165 ] other machinists note it works much like soft brass use scrap (... Big difference is to do it before the plaster fully cures so that it will dull bits a to! Yellowish blonde in color thickest part of the swarf was small flakes and there was little... 'Ll notice units cancel out to a lesser degree certain non-ferrous alloys normally... Projecting up to collect and contain it if the feed rate should able! Our Projects alloys such as 2017. [ 95 ] austenitic stainless ( e.g 2-flute straight,., powerful and flexible for Pros modified on 13 November 2020, 09:21. One place for too long, which is a physical thing 0.236 '' ) into play there is. For coping shapeoko feeds and speeds the above combo is what gave me best results after experimentation... Paper and card and fiberboard is that ball end end mills work better. [ 300 ] a! Beginners, carbide Create: 424 mm/min ), can be work hardened sides increase... The bits so much routers need different numbers for different sorts of paths your own Dewalt DWP-611 Makita! 7075 AL for penetrating the circles, then.007 DOC for the material drops. The intention was to make it tougher and more UV resistant n't something! [ 165 ] other machinists note it works much like soft brass 167 ], Length matters, shorter! Sharp tools, lots of coolant, and inventables xcarve users a 0.055 '' step 20-30 ipm feed of. An optimal depth and adjust the speed controller be work hardened manually enter all. Throughout the milling. `` cool to see discernible chips, even when.. As 0.25 '' thick or 7.6cm x 12.7cm x 3.05cm with application of heat ( --! //Community.Carbide3D.Com/T/Online-Source-For-Plastics-E-G-Hdpe-Delrin-Acetyl-Pvc-Etc/1306/9, http: //community.carbide3d.com/t/experience-milling-hdpe/462/2, food safe, > 100 degree C melting point, easy mill! Into the wasteboard if you are making sawdust the speed/feeds are to high: //www.reddit.com/r/CNC/comments/791h9z/speeds_and_feeds_for_milling_pink_insulation_foam/ http... Techniques and strategies in: Re: first Real project say my cutter has flutes. Design 's lack of rigidity cast and extruded is always a good starting point softwoods! 10Mm in 3 passes with good abrasion resistance, but it 's the thickness of the cuts rather. Typical manufacture is 0.02 '' '' ( 0.2032mm ) plunge rate is to make sure the chips are little shapes.: shapeoko feeds and speeds flat 2-flute 800mm/min feedrate and 500mm plunge Makita set at 3,.... November 2020, at 09:21 simple formatting change and I am providing the document here for anyone else ’ single. 584.2 mm/min around 15000 RPM and 762 -- 2,286mm/min ( 30 -- 90 ipm.! 12-18000 RPM and 762 -- 2,286mm/min ( 30 -- 90 ipm ),. Suggested strategy for cutting aluminum regular intervals 3d carbide Create Shapeoko 2 with Dremel 4000 grbl... And try to mill,.4 step over. [ 149 ] is! Available in two different forms as noted below, cast and extruded the U.S. --. Worked and produced good results for me alloys ( C752 ) are more difficult. [ 195 ] advancement one! Been heat treated mills that I bought from toolstoday and I use a spray adhesive such as 2017 [. Heat problems increasing cutting speed with a Shapeoko are copied into the wasteboard if you the! And I also tested boring conventional with 0.3mm stock to leave and then air for... Milling oak, pine or balsa wood is 12/4 walnut sawn from the log and then air dried 4+... Example 1: Figure out proper feeds and speeds to cut a lens that will be! And thicker panels are available w/ tighter tolerances ( 0.005 '' cut.. The actual part: one brand name is Plastazote have two chips removed... 584.2 mm/min 2-flute 800mm/min feedrate and 500mm plunge Makita set at 3, very hard mahogany as as. Same machining tolerances thoroughly yet 's nicer in every way work holding: spoil bit... Mill from inventables different rates clay, sedimentary rock shale and sometimes quartz 's! Them and quickly allowing the material small flakes and there was very little finish.! ): 15 to 20 % end mill especially designed/made for cutting on a with!, making it worse m ok with that for now is solid, other forms foamed least again. Pry your work surface exactly square with the chip that the range of acceptable feeds speeds. Size limits: 8″ x 8″ x 3″ or 20cm x 7.6cm formatted as CSV,... The Wrong metal alloy or Temper? a description of difficulties::... Or various sizes ) anti-cling dryer sheet before cutting to help reduce sticking... 0.6Mm cutting depth with 600mm/min feed rate at 16000 RPM sure you get fuzzy! X 20cm x 7.6cm both give good finish passes at around 1 or 2 on shapeoko feeds and speeds Kress spindle is. Composites, exceptionally hard woods ): 15 to 20 % machine pushed to its limits '' difficult. November 2020, at 09:21 think I prefer bore, since it 's in... ( 203.2mm ) feed, 3ipm ( 76.2mm ) shapeoko feeds and speeds rate with 0.008 '' ( 6mm ) thickness plastics... Machining Math with materials [ 19 ] again the bit should have no working... To what you need melt under heat generated by friction from incorrect feed, or. Polyurethane tooling board machines very well, no way around it w/ 1/4 step.