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CNC cut EVA Foam? (Anti-fatigue mats)

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Forum topic by Underdog posted 11-01-2018 05:51 PM 1015 views 0 times favorited 10 replies Add to Favorites Watch
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Underdog

1353 posts in 2456 days


11-01-2018 05:51 PM

Anyone ever cut EVA foam on a CNC router?
That’s the foam you find in those interlocking anti-fatigue floor mats. Other uses include making cosplay armor and weapons out of it because it’s heat bendable and sealable.

I’m just wondering if anyone has ever tried to 3D carve it with a router bit?

-- Jim, Georgia, USA


10 replies so far

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DS

3197 posts in 2840 days


#1 posted 11-05-2018 02:22 PM

I’m guessing that the lack of responses means “no”, no one here has cut this with a CNC router.

What is the normal tool used to cut EVA foam? If you could put that tool where the CNC router spindle is, then maybe it will work.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

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oldnovice

7487 posts in 3788 days


#2 posted 11-06-2018 11:29 PM

Perhaps this can be cut with Donek knife as I have seen the tools cut leather with a CNC.

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

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Underdog

1353 posts in 2456 days


#3 posted 11-08-2018 04:00 PM

If I had a normal CNC, I think I could manage that. But I’m thinking my CarveWright isn’t set up to do that.

Besides, I can cut patterns out with a utility knife if I need to.

My question is whether the tapered ballnose bit will CARVE this stuff with a raster type tool path.

-- Jim, Georgia, USA

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RobHannon

276 posts in 951 days


#4 posted 11-08-2018 04:13 PM

I have seen post of folks doing just that to make custom toolbox inserts, so it is possible. Now what bit and feed rates are appropriate, no clue.

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oldnovice

7487 posts in 3788 days


#5 posted 11-08-2018 06:58 PM

As I mentioned above this will cut your mat easily!

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

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Underdog

1353 posts in 2456 days


#6 posted 11-09-2018 11:24 AM



As I mentioned above this will cut your mat easily!

- oldnovice

Not to beat a dead horse too much….But…..

....As I mentioned above, I doubt my CarveWright will handle that. I am NOT looking to simply cut the mat either. I’m looking to raster CARVE the stuff.

-- Jim, Georgia, USA

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DS

3197 posts in 2840 days


#7 posted 11-14-2018 02:35 PM

I could only guess that a quick experiment is in order here. I am not sure how a router bit will react in EVA foam.
Just be ready on the e-stop if it goes poorly.
Nothing ventured, nothing gained (or lost).

Let us know how it goes!

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

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oldnovice

7487 posts in 3788 days


#8 posted 11-14-2018 05:46 PM

Underdog, sorry about my persistence as I didn’t realize you intentions!

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

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Underdog

1353 posts in 2456 days


#9 posted 11-14-2018 07:44 PM


Underdog, sorry about my persistence as I didn t realize you intentions!

- oldnovice

Sorry to confuse folks by not specifying that I wanted to carve, not just cut the foam.

-- Jim, Georgia, USA

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DS

3197 posts in 2840 days


#10 posted 11-14-2018 08:46 PM

There are other foams that are intended to be routed on CNC machines. Rigid Polyurethane comes to mind.

EVA… don’t know anything about routing it.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

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