First Tool Path

[Alex Fraser]

I bought a "Light Machines" CNC surplus from Prince William County 
Schools. It uses a "Sherline" mill and dates from the mid 90's.  You can 
get older education CNC machines real cheap as the controllers are way 
out of date. Controller boards are pretty cheap these days so you trash 
the old controller and connect the stepper motors to the new controller 
and you are half way there.  I use LinuxCNC to control the new 
controller and it is connected with a parallel cable (printer port).  
These mills are very small and have aluminum beds.  I wouldn't try to 
cut much steel with it, but aluminum is possible.  A 1/4 inch endmill is 
the largest I would use.

On 1/20/2022 8:01 PM, Samudra Haque wrote:
> What kind of CAM machine do you have or are targeting?
>
> On Thu, Jan 20, 2022, 19:52 Alex Fraser <beatnic at comcast.net> wrote:
>
>     I've been trying to learn 3D CAD/CAM using the free hobbyist
>     version of Fusion 360. It took a while to figure out how to create
>     the 3D part and a good bit longer how to generate a tool path to
>     cut a circular pocket in that part. This is a video of the
>     software simulating a cut. I'm tickled pink....
>
>     CAD (Computer Aided Design)
>     Cam (Computer Aided manufacturing)
>     CAD/CAM means the computer figures out how to move the cutting
>     tool so you can make the part with a CNC machine tool (Computer
>     Numerical Control).
>
>     I used my phone to video the screen as I ran the simulation.  The
>     part is hanging off the edge of the table, dumb robot....
>
>
>       The YouTube Video https://youtu.be/hfBHbPkZOyo
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