[Lab] simple CNC multibuild

[Darcy Whyte]

So who's in on this project?

http://makeyourbot.org/mantis9-1 looks like a pretty easy project. If we
crowd source all the information for local suppliers and services, it should
be easy to have a bunch of these running.



On Thu, Oct 28, 2010 at 3:30 PM, Tom Burns <tom.i.burns at gmail.com> wrote:

> Sorry everyone, the original link was here:
>
> http://hackaday.com/2010/06/21/100-cnc-mill/
>
> and via the comments there was this updated version:
>
> http://makeyourbot.org/mantis9-1
>
> That one has enough details to actually consider building it.  There's some
> improvements I would want to do (especially replacing the epoxy with a clamp
> as mentioned in the hackaday comments)
>
> Tom
>
>
> On Thu, Oct 28, 2010 at 3:25 PM, Tom Burns <tom.i.burns at gmail.com> wrote:
>
>> Let me keep looking, I swear I had found a version of this CNC with much
>> more detailed build instructions from start to finish..  The link I gave
>> earlier might not have been the exact one that had enough instructions I
>> felt comfortable that I could complete it from start to finish.
>>
>> Tom
>>
>>
>> On Thu, Oct 28, 2010 at 3:20 PM, Paul & Andrea Mumby <themumbys at gmail.com
>> > wrote:
>>
>>> At the very least I would assume it does not include the interface
>>> circuit (which at it's simplest if it's using a parallel port and EMC2 to
>>> drive it. Cheap 3 axis stepper boards on ebay are still going to run you a
>>> couple hundred... Although 3x pololus with direct interface to parallel port
>>> would only cost about $40 plus shipping, and would easily drive a small
>>> scale 3 axis CNC, depending on how well the mechanics work.
>>>
>>> I'd be interested in this for sure...
>>>
>>> Also, does the current BOM include a spindle? or is it the Cartesian bot
>>> only, and up to you to provide a spindle... If so I have some ideas about
>>> how to build a nice spindle for quite cheap using RC hobby parts.
>>>
>>> On Thu, Oct 28, 2010 at 3:03 PM, Darcy Whyte <darcy at siteware.com> wrote:
>>>
>>>> I didn't mean the computer, I meant everything from the computer to the
>>>> machine.
>>>>
>>>>
>>>>
>>>> On Thu, Oct 28, 2010 at 3:01 PM, Tom Burns <tom.i.burns at gmail.com>wrote:
>>>>
>>>>> Motors are included in the $100, but it assumes that you have a
>>>>> computer with a real parallel port available for driving the stepper
>>>>> motors.  So any old pentium-era desktop would suffice.
>>>>>
>>>>>
>>>>> On Thu, Oct 28, 2010 at 2:59 PM, Darcy Whyte <darcy at siteware.com>wrote:
>>>>>
>>>>>> Does the 100 bucks cover electronics? It's obviously not a very
>>>>>> serious machine but I think it could be fun to do a group build. And it
>>>>>> would be fun to have.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Oct 28, 2010 at 2:54 PM, Tom Burns <tom.i.burns at gmail.com>wrote:
>>>>>>
>>>>>>> Hi folk,
>>>>>>>
>>>>>>> After makerbot & CNC conversations taking place on the list I figure
>>>>>>> this would be a worthy proposal.
>>>>>>>
>>>>>>> I ran across a CNC build that is the simplest I have ever seen:
>>>>>>> http://fab.cba.mit.edu/classes/MIT/863.09/people/dcarr/final/final.html. There is a BOM on there, it's only around 20 parts.
>>>>>>>
>>>>>>> Is there anyone interested in doing a group parts buy/build of this
>>>>>>> CNC?  It's not huge, it won't do everything, but if you're like me you'd
>>>>>>> probably love a little CNC.
>>>>>>>
>>>>>>> There's about 20 parts and it costs under $100 to build.  If we had a
>>>>>>> group I'm sure the price will go down and so will the complexity.
>>>>>>>
>>>>>>> Anybody interested?
>>>>>>>
>>>>>>> Tom
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
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>>>
>>
>
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