[Lab] simple CNC multibuild

[Tom Burns]

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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