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ajinjax
10-22-2007, 04:03 PM
Thought I'd post pics of a snake I'm doing as I progress.


Rough cutting.
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/Snakebodyruff.jpg

After finishing pass.
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snakefinbody.jpg

Hot wiring the parts from the block
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snakehotwire.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snakeafterwire.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snakepartsafter2.jpg

Cutting the blank for the last parts.
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/foamblock.jpg

Running
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snakestartheadbody.jpg

Cad layout. (I had to slice it due to my tool length.)
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/VWsnake4.jpg


Rendered snake....(aka.. what I hope it looks like when it's done.)
http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/VWsnakegreen.jpg

samco
10-22-2007, 05:10 PM
Very cool. In for the pictures.

sam

turmite
10-22-2007, 10:43 PM
ajinjax did you build your machine? If so, I would sure like to speak with you.

Mike

ajinjax
10-23-2007, 07:04 AM
ajinjax did you build your machine? If so, I would sure like to speak with you.

Mike


No, we had it custom made by this guy's company.

http://www.ezcnc.com/

ajinjax
10-23-2007, 10:54 AM
New pics from today.

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snake4b.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/snake4a.jpg

harryn
10-23-2007, 11:36 AM
I am really enjoying your foam cutting pictures. Thanks for posting them.

ajinjax
10-24-2007, 12:06 PM
Just to give you guys and idea of the time it's taking this first pic was taken yesterday at about 4pm.

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/tue4pm.jpg

And then I took these @ about 7am today.

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/wed7am.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/head7am.jpg

I ran into some trouble though....

http://www.cnczone.com/forums/showthread.php?t=45755

harryn
10-24-2007, 03:17 PM
Hi, I was looking at how you did the snake eyes. That is a nice design - right on the edge of needing 4 axis cutting (at least from this angle)

Also a silly question. It looks like 90 % of the cuts could be done with a larger mill diameter, which would seem to cut this a lot faster. Is the idea with foam cutting that the risk of changing bits is higher than the time saved ? Or just that this is a project for gaining experience ?

I only ask because I am thinking about some home foam cutting, and for some reason, I thought it would go fast - maybe not.

ajinjax
10-24-2007, 04:21 PM
Hi, I was looking at how you did the snake eyes. That is a nice design - right on the edge of needing 4 axis cutting (at least from this angle)

Also a silly question. It looks like 90 % of the cuts could be done with a larger mill diameter, which would seem to cut this a lot faster. Is the idea with foam cutting that the risk of changing bits is higher than the time saved ? Or just that this is a project for gaining experience ?

I only ask because I am thinking about some home foam cutting, and for some reason, I thought it would go fast - maybe not.

Yeah I had to set the eyes so the tangent of the sphere was just right.


The reason I've been using the same endmill for both rough and finish passes is because I'm not sure I could keep zero and this way I can just let the machine run all night. I combine both programs to make them into one so when it's done w/ the rough is goes straight into the finish.

harryn
10-24-2007, 06:13 PM
Thanks for that. So, if I am using an endmill to cut foam, can I use one that is just slightly smaller than the minimum radius of curvature of the part, or does it have to be substantially smaller to actually work in practice ? My router is a normal Bosch router with 1/2 in collet, and it would be handy if I can just use a 1/2 inch bit / end mill.

I am still building my DIY router, and I don't have the ability to have a lot of tooling. If I can build up some r/c foam car parts with the 1/2 in setup, that would work great for home projects.

planekrazie
10-24-2007, 06:39 PM
Now thats just simply awesome.
Steve

ger21
10-24-2007, 06:45 PM
Actually, for the best finish, use the largest diameter ballnose tool that will give you the detail you need.

ajinjax
10-26-2007, 02:51 PM
Whoops, forgot the resize the pics.

And yes I'm remaking the two body parts so they're in the correct proportion.

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/DSCN1948.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/DSCN1965.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/DSCN1964.jpg

http://i183.photobucket.com/albums/x35/ajinjax/SNAKE/DSCN1963.jpg

anoel
10-26-2007, 03:34 PM
Out of curiosity... What's it to be used for? Miniature golf course decoration?

I'd lose the rounded part at the base of the tail part too... makes it not look like it's part of the snake... makes it look like a thing sitting on the ground, not like it's coming out of it.

ajinjax
10-29-2007, 11:51 AM
Out of curiosity... What's it to be used for? Miniature golf course decoration?

I'd lose the rounded part at the base of the tail part too... makes it not look like it's part of the snake... makes it look like a thing sitting on the ground, not like it's coming out of it.

Theming for water attractions for kids.


And thanks for the suggestion on the tail part. Now that I look at it that way it does need to be cut at the tangent.

harryn
10-29-2007, 08:43 PM
Nice - so about how tall is the head from the base - looks like maybe 30 - 40 inches ?

miljnor
12-12-2007, 12:29 PM
Wow your shop must look like its buried in snow all the time!

I know that foam is a ***** to clean up as the static build up on it makes it cling to everything!


Nice snake BTW!!!

Is that what your company does for work? and does it make any money at it?

lhuerta65
03-02-2008, 05:26 PM
Awesome. I sell foam blocks here in J'ville. We have a great 85,000 sq. ft. facility. Contact me and I'll give you a tour. luis@royalfoam.us