Re: Router collets. an alternative

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Leslie M. Watts"
<leswatts@a...> wrote:

> Dave,
>
> I could certainly run mutiple heads, but it of course
> would tend to reduce the work envelope.
>
> Since I don't have to worry about tool height with my
> router bit toolholders changes are really quick anyway.
> Loosen the collet nut, pull the holder, slam the next
> holder home, tighten, hit resume.
>
> With the raised letter signs I do I find about a
> four to one diameter ratio gives the lowest machining
> time for two passes. Millwrite 2000 is very good with
> automatically making cleanup passes with a smaller tool
> to take care of inside corners etc. Often this will be
> a 1" and 1/4" diameter for large stuff, 1/2" and 1/8"
> for medium, and in the case of the electronic prototype
> work I am doing righ now .02" and 0.005" end mills for
> the tiny 10 pt logo carved in the unit. They all just
> slip right in the 1/2" Porter Cable collet with the
> same height.
>
> By the way...I notice one manufacturer is making 0.0009"
> diameter end mills! I'll have to try one of those next
> time I need to cnc carve a logo on the head of a pin!
> The are more commonly used for cnc milling surface
> mount PCBs I think.
>
> Les
>

Dang Les,

I wish I was closer, I'd wanna sign up for the tour !

Dave