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Belt Driven CNC router for wood?

Posted by shortyski13 
Belt Driven CNC router for wood?
May 26, 2017 07:20AM
Based on parts I have on hand, I'd like to make a belt-driven cnc router/milling machine used primarily for wood, and once in a blue moon for aluminum (and would need a bit less accuracy). Would this work with reasonable accuracy (particularly on the wood)? I'm thinking hardwoods by the way, but clear (no knots).

Thanks
Re: Belt Driven CNC router for wood?
May 26, 2017 09:53AM
That's what shapeoko does for years now. But I wouldn't waste my money on it and do it "right" from the start.
Chinese ballscrews and linear rails aren't expensive. The biggest hole in the pocket comes from the router.
Re: Belt Driven CNC router for wood?
May 26, 2017 11:28AM
I went the ballscrew and linear slides but originally I was looking at something like this

[www.youtube.com]

If I was to belt drive I would definitely try and make a belt and pinion.

I agree with o_lampe though but I would fit a 2.2kw water cooled spindle (I am) instead of a router.
Re: Belt Driven CNC router for wood?
May 26, 2017 05:39PM
Shortski13 sez "based on the parts I have at hand"

route wood and maybe aluminum

Right away ---- buy this buy that, don't use belts, Shapeoko is crap
Got to have titanium, expensive leadscrews, linear rails

WHAT?

See

[www.shapeoko.com]

[www.shapeoko.com]

[www.inventables.com]

[openbuilds.org]

use that broom handle, that guzunda, the hose clamp
build with what is at hand?

confused smiley
Re: Belt Driven CNC router for wood?
May 26, 2017 11:46PM
Why waste the stuff laying around for something halfassed? Maybe better to build a laser engraver with it?
Re: Belt Driven CNC router for wood?
May 27, 2017 10:22AM
He never said what he had to hand if he had a shapeoko kit to hand then yes he should build one.

If he has nema 17 and 8mm smooth rod then he's going to have problems.

In the UK shapeoko kits are not that cheap (I'm guessing all of the EU)

£1000
[www.robotshop.com]

for such a small build area I can build something with ballscrews, linear rails all round & 4 nema 23's for a similar price obviously though if you build your own you would go bigger as well winking smiley

The bigger kit £1780
[www.robotshop.com]

I can almost put an 8*4 frame down with 25mm Hiwin's, 2005 ballscrews, supports, nema 23's, CNC shield, 36v power supply & z axis for the price of the large one.

Edited 4 time(s). Last edit at 05/28/2017 12:06AM by Desertboy.
Re: Belt Driven CNC router for wood?
May 28, 2017 08:25AM
You can get the mechanical kit from www.amberspyglass.co.uk in UK for ~300BP.
It isn't the same as the US shapeoko V3, more like an upgraded shapeoko V2.

Edited 1 time(s). Last edit at 05/28/2017 08:27AM by o_lampe.
Re: Belt Driven CNC router for wood?
May 29, 2017 11:06PM
That's a very good price for the frame
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