Re: [CAD_CAM_EDM_DRO] router designs

Jan,

You have an very nice looking unit there! I appreciate homebuilts that reflect an
equal amount of finesse when it comes to looks as well as performance.

Excellent Job !

Chris Luebke
DATA-CUT

JanRwl@... wrote:

> OK, if we are posting photos of stuff we have done; HERE is one I built for
> drilling PCB holes in '84. There is a 12,000 RPM, 400-Hz. 3-phase "aircraft
> instrument motor" in the quill, with a 1/8" collet affixed thereto (whew! Lot
> of "fine" work, that!). the Slo-Syn atop the quill is down-feed. Z is about
> 0.2".
>
> Yep! Controlled by a very ancient PET. First one I ever had, still working
> fine! Hole-centers are entered in a "coordinate file" on cassette-tape,
> prepared in advance on another PET, in the office. No, will not "change
> bits" like a professional machine, but at least you can drill all-centers,
> and "ream" a few, later, etc. Fun. Fast, too! Will do about one hole per
> second, if they are not more than, say, 1/2" apart, average.
>
> [Non-text portions of this message have been removed]
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