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View downrightcreative's profile

Need advice on CNC router bits

by downrightcreative
posted 01-14-2018 12:40 PM


10 replies so far

View Desert_Woodworker's profile

Desert_Woodworker

1936 posts in 1753 days


#1 posted 01-14-2018 01:31 PM

View downrightcreative's profile

downrightcreative

5 posts in 671 days


#2 posted 01-15-2018 04:57 AM

Desert_woodworker, do you have experience with a certain brand and style from that site?

View CaptainKlutz's profile

CaptainKlutz

1948 posts in 2033 days


#3 posted 01-15-2018 06:42 AM

Bits need to be clean and sharp. Check your edges, use a find diamond hone on flat side of carbide to re-sharpen them periodically might help.

There are a lot of sources for CNC router bits. Depends heavily on application and wood being cut.
In the link above – Amana has many product lines targeted towards the smaller table top CNC machines commonly sold for wood working. Amana even has a 1/2 shaft bit with replaceable inserts for different cutting shapes. You can also call Holbren for help selecting Amama CNC bits for you application.

One source for CNC tools I use is MSC direct. You can find everything from cheap as dirt one time use HSS straight cut to exotic full carbide up/down spiral cut bits. You can get generic 1/4” full carbide double helix spiral (up/down cut) bits for less than half cost of regular router bits found from normal woodworking sources.

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

View bredro's profile

bredro

7 posts in 671 days


#4 posted 01-15-2018 10:58 AM

I actually work on a cnc machine
we use Belin router bits..very good quality bits…we buy them direct through Multicam.
Or Acme in Toronto…I`m in Canada so not sure what the American equivalent would be:)

-- MSDMG

View Mike_D_S's profile

Mike_D_S

596 posts in 2753 days


#5 posted 01-15-2018 04:53 PM

I use a lot of Amana bits. While they’re not available in really small sizes, I really like the Amana bits with the replaceable blade. It makes honing them easy as you can remove the blade from the bit and you can replace just the blade if they get really dull.

One thing to watch out for is the chip load as specified by the bit maker. Since your Dewalt router is basically fixed rpm, you should make sure your feed velocity is matched for proper chip load. This will help with bit life in the long term.

Thanks,
Mike

-- No honey, that's not new, I've had that forever......

View bonesbr549's profile

bonesbr549

1584 posts in 3605 days


#6 posted 01-15-2018 05:24 PM

I use Amana Bits, and really like them. I started with them and have had real good luck. I’ve not bought sets, and slowly got a good stable of bits, and even bought a flycutter for flattening my 4×8 table. I have a cnc routerparts table i built from a kit. Love it.

-- Sooner or later Liberals run out of other people's money.

View downrightcreative's profile

downrightcreative

5 posts in 671 days


#7 posted 01-16-2018 03:59 AM

Thank you so much CaptainKlutz, bredro, MikeDS, and bonesbr549! I really like the sound of that Amana with replaceable blades. Usually stuff like that is crap, but if you guys have had good luck, I’m willing to give it a go! Off to do so shopping and comparing!

View oldnovice's profile

oldnovice

7505 posts in 3906 days


#8 posted 02-06-2018 08:18 AM

I love Amana bits but there are others that are just as good or better!
Onsrud, very good and a lot of information on their site!
Niagara, I have used there without an issue.
Kodiak, I like these too.

There are probably other ones I have not tried as yet.
My son is a CNC machinist and he gets me more info than I can assimilate about cutters.

-- "I never met a board I didn't like!"

View Holbren's profile

Holbren

23 posts in 1542 days


#9 posted 02-08-2018 10:20 PM

Whiteside SC40, very popular bit for the round nose

https://www.holbren.com/Whiteside_Machine_SC40

View oldnovice's profile

oldnovice

7505 posts in 3906 days


#10 posted 02-09-2018 04:13 AM

Thanks Holbren, I forgot Whiteside and I even have two of their bits!

-- "I never met a board I didn't like!"

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