The tricky bit is keeping the exposure times reasonably equal. The disk
would have to speed up as the laser approaches the center line. Nice
idea though...
Les
javaguy11111 wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "designer_craig" <cs6061@...> wrote:
>> I looked into a couple of these but I believe they are for island milling. Converting the xy moves from the gerber to the G-code is the easy part the files are almost exactly the same syntax.
>>
>
> I wonder if instead of trying to do cartesian scans, put the board on some sort of a spinning disk and run the laser in a radial direction or a polar scan. Basically what is done on a DVD writer. You could keep the .001 spot size and just spiral in.
> That way you are not wasting time with a bunch of stop and start motion. May be easier to construct as well.