Techniques > Misc
CNC hotwire foam cutting machine
joe:
Exactly Alan. The joiner hole is cut on a small block first and then another block is put beside that and the profile, aileron cut and trimming is done all as one cut. I just sit back and scratch my aaaa... arse!
I did start to clean it Keith. Built a new big table for the middle and then got a bit side tracked. Cleaning uses up value building time!
Well no, most wings have some sort of channel for servo wires. Mine are no different : )
You want wings?? Bring it on keith. I can handle it! :wink: :wink:
billscottni:
Well this is as far as I got with a cnc foam cutter. basec more on the "Rustica" design as I don't have the space to have a big cutting table permanently set up. Hope to get motors and electronics sorted out this winter.
billscottni:
Joe was asking about Vacuum bagging last weekend, it's the next logical step after cnc cutting.
Below are a couple of pics of my set up. Done for <£100 by watching Ebay for the pump and getting the rest cheap too!
For anyone looking for good simple info have a look at Joe Woodwoker http://www.joewoodworker.com/ and their shop http://www.veneersupplies.com/
In the UK there is also www.tygavac.co.uk , although I've never bought from them.
Overview, the reservoir tank is a disposable helium tank from a balloon shop
My pump was bought from Ebay for ~£25
Gauge for vacuum and a vacuum switch from Joewoodworker. This switches the pump on and off rather than continuous running.
The wiring, tubes, transformer etc.
billscottni:
Knocked this up tonight for a little project. It's basically a vertical hot wire to use for rough shaping foam for lost foam fuselages.
Easy enough for Joe with his fancy machine, but this is the way us plebs do it!
joe:
Well by the time you scan the plan (if that's what your working from) work it into a DXF and then setup the software would probably have your templates made and fuse cut. I think i would still do it this way unless I had the design in the computer already.
If it's not broken!
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