[hackspacebristol] Hackspace cnc milling machine

"Lek" l at dataguide.net
Wed Aug 17 11:05:04 UTC 2011


We thought the Mantis9 was great value and nearly did it ourselves. Could a
metal version with laser cut holes be an improvement? I suppose that might
be a tricky assembly (maybe requiring cooling some parts and/or heating
others), Lek.

on 17/8/11 8:58 AM, richard at jarkman.co.uk wrote:

> Lek - I've seen two-leadscrew axes use a single stepper and a toothed
> belt to drive the two leadscrews.
>
> If you put one motor on each axis you have to have a way to synchronize
> the two leadscrews when you turn the machine on, which is hard.
>
> If the Hackspace wanted a way to start small, the Mantis might be the
> right thing:
> http://makeyourbot.org/mantis9-1
> It should do everything you need for PCB making, and the parts are cheap.
>
> R.
>
> On 17/08/2011 02:20, "Lek" wrote:
>> Hi Matt, we are copying Richard’s (and Anton’s) excellent ‘Taig Micro
> Mill’
>> conversions - http://www.jarkman.co.uk/catalog/cnc/taigcnc.htm. I think
> it’s
>> over specified as a dedicated circuit board CNC machine. We chose this
>> option for it’s additional mechanical engineering, engraving (etc.)
>> facilities.
>>
>> The CNC machines in your link look like Hackspace  contenders. I was
>> thinking about eventually using the mill to make a gantry type machine
> with
>> a much larger working envelope - I wonder what tolerances are
>> achievable/acceptable? Is there any advantage in using pairs of X&Z
> steppers
>> in gantry type machines, and can a single stepper driver control paired
>> motors? I would certainly be interested in contributing towards a machine
>> like this at the Hackspace (when I get up to speed), Lek.
>>
>>
>> on 16/8/11 11:42 AM, Bristol UK Hackspace
>> <hackspacebristol at lists.aktivix.org>  wrote:
>>
>>> Hey all, my friend just posted me this link:
>>>
>>> http://buildyourcnc.com/default.aspx
>>>
>>> which I thought I'd share with the list.
>>>
>>> Also, was wondering about the possibility of the hackspace joining
forces
>>> with Lek and Rowan's cnc project? Lek and Rowan would you be interested
> in
>>> opening your project to the hackspace and having the finished machine
>>> accessible to hackspace members at the hackspace in return for help and
>>> investment in building it?
>>>
>>> I can understand if you want to keep it as a personal project but it
>> seemed
>>> worth asking as one of the things on the hackspace investment wiki page
> is
>> a
>>> cnc mill.
>>>
>>> Matt
>>>
>>> --
>>> Matthew Venn
>>> mattvenn.net
>>>
>>>
>>>
>>> ----------------------------------------
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>>> Hackspacebristol mailing list
>>> Hackspacebristol at lists.aktivix.org
>>> https://lists.aktivix.org/mailman/listinfo/hackspacebristol
>>>
>>>
>>>
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