[Swansea Hackspace] 3D CNC milling?

[Tim Clark]

On 03/06/2015 12:28, Gerrit Niezen wrote:
> Dave: Thanks for the link to the Youtube videos, they’re now on my 
> to-watch list. I should probably have mentioned that I’m specifically 
> looking for decent open-source software - for closed-source stuff I’d 
> probably use Fusion 360.
I came across a different video from them a few days ago and did similar.
PyCAM is supposed to offer that level of features, but is very slow and 
crashey when you want to be that fancy, it uses ungodly amounts of ram.
> Tim/Justin: I tried generating the toolpaths using the demo model 
> loaded on PyCAM - it took 6 hours on my Ubuntu box (but at least 
> didn’t crash). I wish Heeks had a better UI.
The Heeks UI really is its downfall, I have generated 3D gcode in Heeks 
before though so I can show you how to do it if you want. The other 
disadvantage is is that it doesn't do multi passes, although you can to 
a certain extend get similar results with a bit of work and setting abusing.
>
> Suggestions for buying end mills - eBay?
My 6mm, 1mm and 0.5mm ones came from aliexpress

Tim
>
>
>> On 2 Jun 2015, at 20:02, David Davies-Day <djdavies83 at hotmail.com 
>> <mailto:djdavies83 at hotmail.com>> wrote:
>>
>> Ive watched a few of these Ny CNC videos, always quality informatiom.
>>
>> https://youtu.be/-8upDZVgxfc
>>
>> There is a 30 day demo of sprutcam...
>>
>> http://www.sprutcamamerica.com/
>>
>> No idea what the cost is, hopefully, for now at least, the 30 day 
>> demo will help you get the results your looking for.
>>
>>
>>
>> No animals were harmed in the making of this email. However, several 
>> thousand electrons were severely inconvenienced.
>>
>> -------- Original message --------
>> From: Justin Mitchell <justin at swansea.hackspace.org.uk 
>> <mailto:justin at swansea.hackspace.org.uk>>
>> Date:02/06/2015 16:58 (GMT+00:00)
>> To: hackspace at swansea.hackspace.org.uk 
>> <mailto:hackspace at swansea.hackspace.org.uk>
>> Cc:
>> Subject: Re: [Swansea Hackspace] 3D CNC milling?
>>
>> On Tue, 2015-06-02 at 16:46 +0100, Gerrit Niezen wrote:
>>
>> > What can I use to mill 3D shapes on the CNC mill? Looking at the
>> > hackspace website
>> > (http://swansea.hackspace.org.uk/Equipment/CNCRouter), IIRC it can be
>> > done using HeeksCNC, but it's not supported or developed anymore. Same
>> > with PyCAM.
>>
>> Heeks or PyCAM were the best ones we found that could do profiling.
>>
>> > Oh, and can I mill hardwood (e.g. walnut or cherry) with our CNC mill?
>> The harder the material the slower you have to go, i think technically
>> you could do aluminium with it if you have the right bits.
>>
>> For profiling you will need some round/ball nose end mills, which i do
>> not think we have any of, all ours are square/flat nose. a few different
>> sizes if you want to get it done in a reasonable time too.
>>
>>
>>
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>
>
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