Re: CNC router build

Jan,

I think your laminate trimmer sounds interesting. My Bosh router would be ideal if it was a bit quieter. Maybe a speed control would tame some noise.

Jack

--- In CAD_CAM_EDM_DRO@yahoogroups.com, JanRwl@... wrote:
>
> In a message dated 4/1/2009 7:10:44 A.M. Central Daylight Time,
> freshwatermodels@... writes:
>
> I don't want to get into building a spindle so am looking for alternatives.
> I am wondering if there is a die grinder or dremel type tool that has
> better bearings and might be quieter than a standard router motor.<<
>
> Jack: Google a firm by name Perske (sp?) (Germany). I haven't bought
> from them in over 20 years, but they make DOZENS of kinds of spindle-motors with
> hollow- and collet-shafts, etc. for use in such as X-Y machinery, also the
> HF 3-Ø converter motor-generators for powering the HF versions. Sorry I don't
> have contact info, but I just have had no need for their stuff in decades,
> so lost contact info.
>
> Now, if you need something "good" but just a little larger than a Dremel,
> look at the "laminate-trimmer routers" in construction vendor stores such as
> Home Depot, Lowe's, etc. Sadly, the Japanese makes are FAR nicer machinery and
> more reliable than the usual U.S.-made "competition". But may-well be a bit
> pricier for "same" item.
>
> If the usual NOISE of a "universal motor" (the kind with "brushes" as in
> routers) is too much, think on using a HF (High Frequency) 3-phase motor;
> running on 400 Hz. Gets very expensive, as you have to have either a
> motor-generator to produce the 400 Hz. 3-Ø power for such a spindle-motor, or, some kind
> of electronic source such as a VFD. If initial cost is not a factor, go with
> the HF 3-Ø. It'll last longer and drive fewer operators nuts, with loss of
> hearing and tinitus! (NO LOL!) Jan Rowland
>
>
> **************Feeling the pinch at the grocery store? Make dinner for $10 or
> less. (http://food.aol.com/frugal-feasts?ncid=emlcntusfood00000001)
>
>
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