CNC Router Bits Explained: The Best Bit To Use
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2 жыл бұрынCNC router bits can be confusing. In this video, I explain and show the differences between an upcut, downcut, and compression bit.
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@matthewsaxe6383 Жыл бұрын
Great video. Excellent descriptions. I've been using a router for 35 years and bits have come so far!
@barrypolis6720 9 ай бұрын
Great demo. I have a number of compression bits, and wasn't aware of the short flute until watching this... just ordered two. Thanks!
@lostinthegarage 2 жыл бұрын
Super helpful video! I appreciate the effort you put in to both explaining and showing.
@AndyBirdBuilds 2 жыл бұрын
Glad it was helpful!
@gregoriogutierrez6921 Жыл бұрын
I think your video is very appreciated. The up and down bit is the best tool than the signs guy must know about
@samwoodrow4871 2 жыл бұрын
That was great. Very informative and explained perfectly. Thank you!
@AndyBirdBuilds 2 жыл бұрын
Great to hear!
@DanBlomberg 2 жыл бұрын
Great video... I was looking for exactly this information earlier this week!
@AndyBirdBuilds 2 жыл бұрын
Perfect!
@webrec1266 Жыл бұрын
Great video! Very helpful
@daviddahl8220 2 жыл бұрын
Great video, and super informative! Glad I watched.
@AndyBirdBuilds 2 жыл бұрын
Great! Thanks for watching!
@theebalz Жыл бұрын
Learned a lot about these bits and look forward to learning about other bits like V Bits. Thanks! 👍
@AndyBirdBuilds Жыл бұрын
Glad to hear it!
@TheWoodPastor 2 жыл бұрын
Great video bro. Still fine tuning how I do things after a year.
@AndyBirdBuilds 2 жыл бұрын
Thanks man! I'm always learning something new in this world of CNC
@zmanfishing3361 Жыл бұрын
Thank you for sharing this info, helps to shorten the learning curve.
@AndyBirdBuilds Жыл бұрын
For sure! Glad to help
@joemadden 6 ай бұрын
Thank you! I'm a newbie CNC owner and the bits were really confusing.
@AndyBirdBuilds 6 ай бұрын
Glad it was helpful!
@jamesmartin5277 Жыл бұрын
Very interesting about the spiral change point - Unfortunately many of the router bit manufactures dont seem to specify this piece of information!
@vgreddyj 6 ай бұрын
That was excellent. Educational and articulated exceptionally well. I appreciate it!
@AndyBirdBuilds 6 ай бұрын
Glad you enjoyed it! Thanks for watching.
@craigwoodruff9018 Жыл бұрын
Thank You that was extremely helpful for me being a new bee to CNC . Bought the Shapeokoe PRO XXL.
@AndyBirdBuilds Жыл бұрын
Great to hear!
@mattwylie6651 Ай бұрын
Great video very helpful.
@thesplinteredfinger 2 жыл бұрын
Very good information Andy!
@AndyBirdBuilds 2 жыл бұрын
Glad it was helpful!
@happywanderer5632 Жыл бұрын
Great explanation! Thanks
@AndyBirdBuilds Жыл бұрын
Glad it was helpful!
@alanbuilds7829 2 жыл бұрын
Great info here Andy
@AndyBirdBuilds 2 жыл бұрын
Great to hear, Alan!
@LKMKully 8 ай бұрын
Great Video!!! Would be nice to see another video on other bits, like ball nose finishing bits. The sizes and how they work. How they cut and when to use them. Cheers Kully
@AndyBirdBuilds 8 ай бұрын
Noted!
@bigkremey 2 жыл бұрын
Very informative buddy. Thanks for putting it together and breaking it down to my level (kindergarten) 😂🤙🏼
@AndyBirdBuilds 2 жыл бұрын
Glad it was helpful!
@guillermomartinezyg.2547 Жыл бұрын
Great video, espeacially for newbies like me
@AndyBirdBuilds Жыл бұрын
Great to hear! Welcome to the channel
@danielmaaka6845 Жыл бұрын
Great Video !!
@AndyBirdBuilds Жыл бұрын
Welcome to the channel, glad you liked it!
@carmandr24 Жыл бұрын
Do you have any bit recommended for cutting/ drilling 1/4-1/2” width holes
@dopert2 3 ай бұрын
Thank you very much
@AndyBirdBuilds 3 ай бұрын
You are welcome
@graveurgraveur2691 2 жыл бұрын
Thanks!
@AndyBirdBuilds 2 жыл бұрын
For sure!
@CNCmachiningisfun Жыл бұрын
Great video, bro. Very informative. Just wondering: Do you use a spoil board on your machines? It seems that you are obliged to replace the machine bed slats - on a regular basis, otherwise.
@ryanlangan1060 Жыл бұрын
It clearly shows a spoil board in the video. He just divides it up into slats so he has access to the T-slots.
@CNCmachiningisfun Жыл бұрын
@@ryanlangan1060 I arranged mine in a similar way, and I have never needed to replace anything, even after 12 years of use, due to the use of sacrificial materials. That's what I mean, by spoil board.
@eherby 2 жыл бұрын
cleared up a lot of misconceptions I had
@AndyBirdBuilds 2 жыл бұрын
Glad it was helpful!
@shughes599 9 ай бұрын
Amazing.
@AndyBirdBuilds 9 ай бұрын
Thanks for watching!
@resorter66 2 жыл бұрын
Andy have you ever done a video on doing tool changes using the bit setter and bit runner..that might show the different screens in carbide motion 542
@AndyBirdBuilds 2 жыл бұрын
I haven't. I've been thinking about doing a video on the Bitrsetter but haven't because its specific to the Shapeoko
@resorter66 2 жыл бұрын
Well I think it would help a lot of Shapeoko owners that have the bit setter and bit runner. I know from experience that if you don't understand it fully bad things happen. Jeff
@AndyBirdBuilds 2 жыл бұрын
@@resorter66 Good point
@ralfboller9977 Жыл бұрын
But what kind of bit is the best for clean sides after cutting ?
@jimimmler9110 Жыл бұрын
I use single flute straight flute bits for almost everything. Cuts are clean and smooth top and bottom.
@AndyBirdBuilds Жыл бұрын
Thanks! I recently read this somewhere and was intrigued. I'm going to give it a try. Any tips?
@b-radg916 Жыл бұрын
@@AndyBirdBuilds: Did you try it?
@bestyoutubernonegraternumber1 Жыл бұрын
Hey Andy! I have bought into the Shapeoko Pro XL & were I to get one of these compression bits, can I use it with that machine + the carbide router safely on more than MDF & still benefit?
@AndyBirdBuilds Жыл бұрын
Yes you can!
@daviddavis6065 Жыл бұрын
i subscriber to your channel i like your videos take care
@AndyBirdBuilds Жыл бұрын
Glad to hear, thanks for the support!
@andyalexander8064 Жыл бұрын
A question on the compression bit with the 1/4" change. If my CNC is using the Makita for its spindle, would it be able to handle that 1/4" plunge? Thanks.
@AndyBirdBuilds Жыл бұрын
There are a lot of other factors to consider for success, but if it comes down to the just the plunge of the Makita yes it can do it.
@andyalexander8064 Жыл бұрын
@@AndyBirdBuilds Yes, certainly other factors. Thanks for the reply. Still learning on what I can do with the CNC. Thanks again. Love your videos.
@jginme 2 жыл бұрын
I have a project that needs a triangle cut out of the center with sharp corners so I am thinking of using my 10degree engraving bit to clean up the last bit of the pocket. Any other suggestions? I cant find any videos on using engraving bits on the CNC for wood and super fine detail. My tapered ball nose wound work here…has to reach .505 down before cutting a .180 deep clearing. Hmmmm
@AndyBirdBuilds 2 жыл бұрын
Its really hard to say without knowing more details. But the smaller the radius the bit has, the tighter the corners you can get
@StevenGamesWHC Жыл бұрын
Drill bit for initial hole then then probably an end mill to widen it then similar bit you see here if its milled from a solid piece
@resorter66 2 жыл бұрын
Sounds like a bit i need ?question did you or do you recommend plunge ramp in with that bit and the others.
@AndyBirdBuilds 2 жыл бұрын
It really depends on the material. For more woods it isn't necessary
@resorter66 2 жыл бұрын
@@AndyBirdBuilds what about hard maple and walnut
@davidkaiser4488 2 жыл бұрын
Can you use a downcut bit for the first pass and then go to an upcut bit for the final pass through the part as a way to get get a clean top and bottom surface, or will the chips being ejected on the last pass with the upcut cause issues with the top edge of the part?
@AndyBirdBuilds 2 жыл бұрын
In theory this would work but it wouldn't be worth the headache to setup the tool paths
@davidkaiser4488 2 жыл бұрын
@@AndyBirdBuilds Thanks for the reply! Getting my CNC in April!
@michaelagostino1321 Жыл бұрын
Does SpeTool have specs for the spiral change? I don't see any info on this on their up/down bits. If there isn't a spec given can you just use a micrometer to measure the bit on where the change occurs? I would assume it would be visually obvious on where this is on the bit. If we're still on track here, Is that value then used for the routers plunge rate?
@AndyBirdBuilds Жыл бұрын
Yes that would work
@b-radg916 Жыл бұрын
The plunge rate is the speed the bit moves vertically into the material, which is different from the depth of the initial pass.
@shooshx Жыл бұрын
Is it possible to reverse the rotation direction to turn an up cut bit to a down cut bit? Also, can you do the first top pass with a down cut but and then do the bottom pass with an up cut bit?
@areutryingitout5678 Жыл бұрын
Yes, if you want to reverse your spindle or router, of course. If you want to do the second, of course you can too. Just takes more time.
@b-radg916 Жыл бұрын
Reversing might not work well because the tip of the bit would still be designed for a clockwise spin. The side of a bit definitely does a lot of the cutting as it moves horizontally, but you might be left with an uneven face. Could be worth a try, but I’d rather use a compression bit than set up two toolpaths and do an extra bit change.
@paulneeds Жыл бұрын
What would one use if you’re cutting a channel/slot/key way in which a clean top surface is desired, but also a clean bottom surface? Again, a channel that doesn’t go all the way through the work piece. The depth of the slot is .35 inches. Thanks.
@AndyBirdBuilds Жыл бұрын
I would use a downcut bit
@paulneeds Жыл бұрын
@@AndyBirdBuilds thank you! And many thanks for taking the time to reply too - I shall give that a try. 👍🏽
@chadp2398 2 жыл бұрын
Can you do these deep cuts on hardwoods with the compression bits
@AndyBirdBuilds 2 жыл бұрын
That would depend on your machine, spindle, and workholding
@chadp2398 2 жыл бұрын
Shapeoko XXL, their spindle, work holding is
@chadp2398 2 жыл бұрын
Oops optional
@GGscrafts Жыл бұрын
Where do you purchase your compression or down cut bits
@AndyBirdBuilds Жыл бұрын
Bitsandbits.com Use code ANDYBIRD to save a couple bucks!
@GGscrafts Жыл бұрын
I didn’t see a reply lol
@gregoriogutierrez6921 Жыл бұрын
I us to use when have PVC with Vinyl and vinyl over laminate
@PaulMorel Жыл бұрын
Andy - Shapeoko owner for 3 yrs now. Both my 1/4" upcut and downcut bits are discolored and I assume are getting dull. Time to replace them. I like your video on "Best bit to use" and I have a question. You show the Max Depth as .52000" for both bits. Bits&Bits shows the max cut length of 1". Why are your depths so conservative?
@b-radg916 Жыл бұрын
I’m pretty sure that is the depth of cut for that toolpath. If he’s cutting .5” MDF, then he’d be cutting .020” deeper to ensure a cutout.
@harm679 2 жыл бұрын
I am a metal worker, never know this was a thing with wood routers.
@AndyBirdBuilds 2 жыл бұрын
Nice! Thanks for watching
@Convolutedtubules 2 ай бұрын
It's also used for machining composites and maybe other stuff.
@marioj1908 7 ай бұрын
Is that the Shapeoko 4?
@AndyBirdBuilds 7 ай бұрын
Shapeoko Pro
@Ferdy-Perezlara Жыл бұрын
Hola perdón por escribir en español, es mi primer cnc y tengo problemas, tengo una madera de Zalam de 25 mm y en mi cnc hago un círculo vacío de 12 mm de profundidad, el primer intento fue con una broca de 4 hilos up de 1/4 de grosor, la segunda prueba fue con una broca de compresión de 1/4 pero solo perforó 4 mm por pasada y para hacer el cambio de filo por lo menos tenía que haberlo hecho con 6 mm según tu experiencia, PERO el problema son las caras que deja después del corte, no son lisas, tersas, son peludas y eso me va a costar tiempo de lijado, el Spindel que tengo es de 300 w y de 12,000 revoluciones no sé si le falte velocidad o si llevo muy rápido el avance de la broca, son tantas cosas que por esta razón decidí escribirte y preguntar que debo hacer 🙏🏻🙏🏻 Saludos desde Cancún México Fernando Pérez
@shrimuyopa8117 2 жыл бұрын
My Shapeoko Pro can handle a 0.25 inch cut, as long as I screw my stock down.
@AndyBirdBuilds 2 жыл бұрын
Mine too
@dangkolache 2 жыл бұрын
3:51 you and me both brother
@AndyBirdBuilds 2 жыл бұрын
Glad I'm not the only one!
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