[HH] electronics hobby industry

[Drew Van Zandt]

makeovers can run a dremel for milling, and several CNC desktop mills
exist, including one at the Asylum that does multi color plastic and
milling.
On Apr 6, 2013 10:27 AM, "Bill Bogstad" <bogstad at pobox.com> wrote:

>
>
>
> On Sat, Apr 6, 2013 at 3:01 AM, Tom Metro <tmetro+hhacking at gmail.com>wrote:
>
>>
>> If you can make a $500 3D printer in volume, then why not a similarly
>> sized CNC router/mill capable of processing plastic, wood, or aluminum?
>> (You can, but they aren't packaged up as a computer peripheral that sits
>> on your desktop.)
>>
>
> Not sure about that.   While a 3D printer and a CNC router/mill both
> require precise position of their active "heads" and the object
> under construction,  a 3D printer does this in an environment where the
> only mechanical load on the system is gravity.  A CNC device on the other
> hand has to absorb the force of removing material, torque due to rotation,
> etc.   Maybe if you scaled down the size of the routing bit to the size of
> a dental drill, you could do it without really beefy stepper motors.   Hmm,
> that might be the way to go actually.   I wonder if you could replace the
> extruding head on a 3D printer with the hand held drill bit used by a
> dentist.   I'm not a mech. eng. so I have no real idea if it would be
> possible.
>
> Bill Bogstad
>
>
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