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All Forums >> RC Airplanes >> Scratch Building, Aircraft Design, 3D/CAD >> anybody build a cnc foam cuter
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anybody build a cnc foam cuter - 8/28/2008 5:54:47 AM   
draftman1


 

Posts: 469
Joined: 9/4/2007
From: Strathmore, CA, USA
Status: offline 		Has anybody built a cnc foam cutter? I have found some plans on the net for a couple of versions. the sliding part of it looks easy. I just need to know of a good place to get and what stepper motors are recomended. I see alot of them on e-bay but Im not sure what ones would be good. I have been bitten by the foam bug, the templates and the primitive gravity feed thing isnt cutting it, no pun intended. any suggestions??
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RE: anybody build a cnc foam cuter - 8/28/2008 2:45:39 PM   
krossk



Posts: 1238
Joined: 3/31/2004
From: Port Washington, WI, USA
Status: offline 		Check out the Phlatprinter at www.phlatboyz.com

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RE: anybody build a cnc foam cuter - 8/29/2008 2:09:20 PM   
Yuu


 

Posts: 361
Joined: 9/4/2006
From: Shawano, WI, USA
Status: offline 		Check out the "Scratchbuilding and 3-D/CAD thread" here on RCU...

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RE: anybody build a cnc foam cuter - 8/30/2008 2:41:00 AM   
batchelc


 

Posts: 184
Joined: 11/8/2004
From: Wichita , KS, USA
Status: offline 		You can buy the motors and electronics from Dave at www.hobbycnc.com

_____________________________

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RE: anybody build a cnc foam cuter - 9/3/2008 3:58:44 AM   
Adibac


 

Posts: 27
Joined: 11/11/2007
From: NaucalpanMexico, MEXICO
Status: offline 		I BOUGHT A CHEAP BOARD AND MOTORS OUT OF EBAY, AND FRIED THE THING....TRY THIS GUYS, I PURCHASED ONE OF THEIR COMPLETE SETS, AND IT WORKED FINE...

http://www.kelinginc.net/index.html

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RE: anybody build a cnc foam cuter - 9/12/2008 2:47:46 AM   
Steven S


 

Posts: 3
Joined: 9/12/2008
From: St. Louis, MO, USA
Status: offline 		Hi, new guy here. I'm in the early stages of building a 2-axis CNC cutter for Depron sheet. I'm building it out of an old Okidata printer. They're a good source for step motors. About the only thing I'll have to buy are the driver boards and the cutting bit. I may need a new power source, though. The printer had two transformers that put out 10.6 and 35 volts, IIRC. The motors are rated at 4 and 12 volts. Electronics is my weak area so I'm not sure if those will work as-is.

Anyway, once it's done I think my first project will be a J3 Cub that I saw over at RCGroups. Then I think I'll do some simple profile foamies. I like to build 3DCG models of warbirds and I think I can adapt some of the profile curves toward the profile planes.

Here's a shot of the machine. I'll use the flex-shaft attachment from my Dremel as the cutting device. I had to reposition the black roller to get it out of the way of the cutter. I'm going to put a hardboard platform level with the top of the roller for the foam sheet to rest on. The advantage to using a roller instead of having the yoke travel on rails is that the length of the sheet won't be limited. I'm only limited by the width of the model.

Steve S.



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