Re: [CAD_CAM_EDM_DRO] Routing speeds and feeds for plastic "sign" material

Alan Rothenbush wrote:

> I'm tired of having a CNC milling machine and a CNC PCB router and still labelling things with a Dymo labeller!
>
> So I bought some of that standard sign material .. you know the stuff, soft plastic, thin black layer on the top, white below.
>
>

Gravoply.

> First step was to route a hole for a fuse, next step engrave some lettering below the hole.
>
> I'll be darned, though, if I can figure out the speeds and feeds and whatnot for this material.
>
> Everything I do just seems to melt the plastic onto the cutter!
>

You can spill some water on top of the stuff, and keep it wet with a
squirt bottle.
Otherwise, you need to keep the cutter moving along and not dwell in one
spot.

Jon