[Lab] simple CNC multibuild

[Tom Burns]

I'm in, and have a friend off the list who is also in.

The biggest issue is sourcing the very specific parts that are usually
purchased from mcmaster in the states.  Options would be to get a trusted
third party in the states to re-ship the parts for us, or alternately we
source the parts in Canada.

Tom

On Sat, Oct 30, 2010 at 12:01 PM, Darcy Whyte <darcy at siteware.com> wrote:

> 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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