OK, that's what someone else suggested, and that makes sense.
For some reason I thought of that valve as a on/off thing, rather than a
variable orifice.
I'll try that next trip out to the shop.
Thanks to all of you :)
Rex Burkheimer
Marketing Director, WM Automotive Warehouse
Fort Worth TX rex@wmautomotive.com
Great minds discuss ideas;
Average minds discuss events;
Small minds discuss people.
----- Original Message -----
From: Stan Fickes <fickes@acm.org>
To: Rex Burkheimer <rex@wmautomotive.com>; shop-talk
<shop-talk@autox.team.net>
Sent: Monday, October 02, 2000 4:04 PM
Subject: Re: SAND BLASTER QUESTION
> Rex-
> I have the same rig, and it's worked well for me.
>
> It sounds like you've opened the media valve 100% (the one at the bottom
of
> the tank). Try closing it about halfway, then open or close it until you
get
> the mix you want. If you go too far open, it's just a stream of low
velocity
> sand. Too far closed, and it cuts too slowly. It should come out at high
> velocity and strip paint quickly. When it's adjusted right, it's
> dramatically faster than a glass bead cabinet.
>
> Better luck, and feel free to ask if it's not clear (or not right!)
> Stan
>
> ----- Original Message -----
> From: "Rex Burkheimer" <rex@wmautomotive.com>
> To: "shop-talk" <shop-talk@autox.team.net>
> Sent: Monday, October 02, 2000 4:36 PM
> Subject: SAND BLASTER QUESTION
>
>
> >
> > Gee, I have all this equipment and I can't figure out how to use it .
> >
> > I bought one of the HF $80 (on sale - like everything is) pressurized
> sand
> > blaster. Bought some high tech "star" blasting media "Like sand only
> > better". So I get the thing all filled, hooked up, and have a small
> > project, a battery tray, that needs to be made naked. I turn on the
> valves,
> > in sequence, from the air pressure inlet downstream through the feed
valve
> > at the bottom. Media comes rushing out in fairly large volume, but
doesn't
> > seem to be taking off the paint very well. I changed to a smaller
nozzle,
> > but it still did not cut the paint off as well as I thought it should.
In
> > fact, I can hold it at a sport for 5 seconds or more and it gets the
paint
> > clean, but does not take it down to metal.
> > Doesn't seem to be a air supply problem, as I used the blaster for
> quite
> > a while before the compressor came out (11.5 CFM @ 90psi I think), and
it
> > did not take it long to catch up.
> > Humidity was very low.
> > I have used blast cabinets with glass beads, I figured this would cut
> > dramatically faster.
> > What am I doing wrong?
> >
> > Rex Burkheimer
> > Marketing Director, WM Automotive Warehouse
> > Fort Worth TX rex@wmautomotive.com
> >
> > Great minds discuss ideas;
> > Average minds discuss events;
> > Small minds discuss people.
> >
> >
>
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