carlknight1982
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| posted on 13/4/14 at 06:53 PM |
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Home cnc
How hard is it to construct a small say a3 size home cnc and use it to make small parts and engrave stuff
Bear in mind I'm a complete novice I just think it would be a cool toy
[Edited on 13/4/14 by carlknight1982]
Logic will get you from a A to B
Imagination will take you everywhere.
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Theshed
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| posted on 13/4/14 at 07:13 PM |
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Easy! But not all that cheap. All bits available from http://www.worldofcnc.com/collections/cnc-router-packages. Have a look at the Artsoft forum.
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theprisioner
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| posted on 13/4/14 at 07:34 PM |
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Took two years out of my life don't do it:
http://www.alastair-reynolds.pwp.blueyonder.co.uk/milling/
http://sylvabuild.blogspot.com/
http://austin7special.blogspot.co.uk/
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carlknight1982
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| posted on 13/4/14 at 07:50 PM |
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I'm not looking to convert a manual mill
I'm thinking more like these
linky
Logic will get you from a A to B
Imagination will take you everywhere.
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zekill
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| posted on 13/4/14 at 07:55 PM |
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mild steel is cheaper and stronger that ali, mine:
Fisher Fury with Phoenix bodywork, Blade 919cc
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Trollyjack
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| posted on 13/4/14 at 08:55 PM |
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I started to build one 5 years ago then got into building my car
Sold my frame but still got all the motors and built my own controller and pc alonh with it would sell if any one is interested
TrollyJack
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coyoteboy
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| posted on 13/4/14 at 09:36 PM |
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Rigidity is what you want, not strength.
I'm about 1200 quid into a manual mill conversion because I saw some routers in action, spoke to some machinists and concluded what most do
after a router build - they're only really good for wood and 2.5D.
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trextr7monkey
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| posted on 13/4/14 at 09:49 PM |
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If you just want to do engraving keep an eye out for old camm 2 machines
or even the early Denford micromill stuff
Atb
Mike
http://www.flickr.com/photos/14016102@N00/ (cut and paste this dodgey link)
Our most recent pics are here:
http://s129.photobucket.com/albums/p211/trextr7monkey/
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davidimurray
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| posted on 14/4/14 at 09:24 AM |
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As others have said, the problem with CNC milling is you need a good strong rigid machine. I have converted an X2 type machine to CNC and ended up
making braces, filling columns with concrete etc. The small machines look nice in theory, but when you end up doing things like taking 0.1mm depth
cuts the time taken to machine parts becomes very tedious - often simple parts can end up taking hours. To give an idea of scale I have a Denford
Triac which I rebuilt. My old mill could be picked up by one person, the Denford is over 1/4 ton!
Have you considered 3d printing? Low forces so everything can be much lighter.
[Edited on 14/4/14 by davidimurray]
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carlknight1982
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| posted on 14/4/14 at 10:44 AM |
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Hadn't considered that as an option
Logic will get you from a A to B
Imagination will take you everywhere.
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davidimurray
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| posted on 14/4/14 at 11:30 AM |
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I've been pondering building a 3d printer myself. Seems to be lots of versions out there.
There is some good info here - http://reprap.org/wiki/Build_A_RepRap
I was considering builidng a prusa of which there is a newer version out - http://reprap.org/wiki/Prusa
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Gallery 4 http://www.facebook.com/media/set/?set=a.490098255324.297598.601005324&l=efb083b7df
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Gallery 6 http://www.facebook.com/media/set/?set=a.10150550640070325.430417.601005324&type=3&l=fe779b358c
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tegwin
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| posted on 14/4/14 at 02:30 PM |
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3D printer is a good novelty but what would you actually use it for?
Be amazing if you could print in wax and had access to a foundry to turn the printed item into something useful....
------------------------------------------------------------------------------------------------------------------------
Would the last person who leaves the country please switch off the lights and close the door!
www.verticalhorizonsmedia.tv
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davidimurray
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| posted on 14/4/14 at 03:02 PM |
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quote:
Originally posted by tegwin
3D printer is a good novelty but what would you actually use it for?
Be amazing if you could print in wax and had access to a foundry to turn the printed item into something useful....
I did wonder this myself - and then started thinking about using it for rapid prototyping before I cut parts on the CNC mill. Things like alternator
mounts, pedals, instrument housings, etc. I do know of people making RP plenums but they are using SLS, doubt a homebrew 3d printer could get
anywhere near that.
Of course you could always setup a foundry at home and cast some aluminium bits 
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