theres no need to dismantle anything, the accoustic probe just unplugs and
you stick a dremel on there, easy.
i think it will be strong enough for routing. ideally we will observe the
encoder values while moving the head and notice when it is tool crashing
somehow and protect it from mistakes.
the ultrasonic probe is very small, not very powerful im sure.
On Mon, 19 Jan 2015, Patrik D'haeseleer wrote:
Before we dismantle the acoustic microscope head,
I'd love to figure out if we can use it to image any
biological samples. Do we have a manual for that thing?
Also, I can't help but wonder how well this thing will deal with the sideways forces
that a CNC needs to
handle. It sure seems overengineered out the wazoo, but I bet it's optimized more for
resolution and maybe
scanning speed.
It'd be fun if we could use the ultrasound head to 3D carve some sandstone or plaster
though... :-D
Patrik
On Mon, Jan 19, 2015 at 3:48 AM, Jake <jake(a)spaz.org> wrote:
sudoroom needs a CNC milling machine! well guess what, we already have one (no i
don't mean the
robot)
i'm talking about the big heavy CSAM thing that is sitting on the border
between sudoroom and
CCL. It was made to image ICs in their package with ultrasonic probing, but nobody
cares about
that and it's a really nice big 3-axis platform anyway, so we might as well
throw a rotary cutter
on there and have a nice CNC mill/router.
what's missing? Turns out it's just software. The software that came with
the ancient computer
is very specifically written for raster-scanning integrated circuits with the
ultrasonic probe
(which works).
but we need software to take G-code and drive a cutting tool around on pieces of
wood, so we can
carve words into wood planks or whatever.
the motor controller for this machine is controlled by an ISA card inside the
computer. It is
controlled through "ports" accessed by the CPU. If we are unable to find
software to take G-code
and drive this ISA card (and i'm sure it's possible to find such software)
we could just write our
own software, to run in linux or DOS or whatever. The computer is a 386.
Please try to find software for operating a CNC machine with this setup:
Parker Compumotor PC-23
here is the manual for the hardware we have, which lists lots of software stuff:
http://spaz.org/~jake/bxi/pc23_ug-servodriver.pdf
I haven't imaged the hard drive on the computer there, so i don't have
everything backed up, and i
haven't looked to see if there is handy software for driving the machine from
G-code, but i doubt
it's there. The software that's there can move the machine around, but
only for scanning CSAM.
If you want to play with it, let me know. We can meet up at sudo.
-jake
someone has been here before:
http://www.programd.com/62_0e8487061f6729ba_1.htm
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