Re: Plans for a mister?

Some notes :

for about the same $$ you can get a mister system with tank and all.
Not just the spray head.

Not all spray heads are equal, and not all adjustments work well.

There is a style that has the coolant supplied by a tube in a tube
and as air passes over the internal airfoil, picks up coolant. the
amount of coolant is controlled by adjusting the nozzel. The nozzel
is just a screw on the end of a pipe. distance is the thing being
changed, that changes the pressure at the pick-up and that changes
the volume of coolant. Air is controlled by a needle valve.

another pressureizes the liquid and adjustment is made by one valve
for liquid, one for air.

And, if you filter the coolant, you can use an atomizer and skip the
air completely. There you need a pump to create the pressure or a
tank you can pressurize. Less air, less overspray, less mess ?

And, if you are really into tinkering, you can atomize in an air tube
so the liquid in supplied in a small dia cone inside a larger dia air
cone. This would reduce misting outside the part as the liquid would
be in a cushion of air.

Regarding the control (and to bring this closer to topic) you could
make a small circuit that would spray air continuously, and pulse
coolant. varying the cycle times as needed for the part.

Dave

--- In CAD_CAM_EDM_DRO@y..., Marv Frankel <dcdziner@p...> wrote:
> Matthew,
> Do you see what I mean? You can buy the Noga mister for
$59.95,
> and if you add up these prices, you'll save one cent.
>
> Marv Frankel
> Los Angeles
>
> ----- Original Message -----
> From: <hllrsr@c...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Tuesday, November 26, 2002 7:32 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Plans for a mister?
>
>
> > Personally, I copied a mister we have at work, and all it
basically is,
> > is an engine spray gun ($15, auto parts) with an air op. solenoid
($35,
> > Omron) and a pressure regulator ($10, art supply)
> > HTH
> > Iain
> >
> >
> > mjf462001 wrote:
> > >
> > > Hello
> > >
> > > Has anyone seen CAD plans for a misting unit
> > > that I can use on my CNC mill.
> > > Just looking for some design ideas.
> > >
> > > Thanks
> > > Matthew F
> > >
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> > http://groups.yahoo.com/group/jobshophomeshop I consider this
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> sister site to the CCED group, as many of the same members are
there, for OT
> subjects, that are not allowed on the CCED list.
> >
> > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY
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