[Shop-talk] blast cabinet issue
Jeff Scarbrough
fishplate at gmail.com
Thu Feb 10 14:13:45 MST 2022
The finger trick is what works for me, along with having plenty of media
available.
On Thu, Feb 10, 2022, 15:57 Pat Horne <patintexas at icloud.com> wrote:
> I have a similar problem with an Eastwoods table top cabinet. I'm using
> coal slag from Tractor Supply. I find that the slope of the cabinet
> bottom is not steep enough to recycle the slag well. When I see that
> there is less media than I expect, I put my finger over the nozzle &
> blip the trigger, causing any media in the hose & around the pickup to
> blow backwards, then settle down. I am then able to blast for a few more
> minutes, until it happens again. I also use a 60 gallon single stage
> compressor. Here in central Texas it is quite humid most of the time so
> I use a small in line water separator at the inlet to the cabinet. I
> should buy a larger one but haven't gotten around to it. If I am doing a
> lot of blasting I need to empty it about every 15 minutes, even though I
> empty the water out of the tank & drip legs at each startup.
>
> Peace,
>
> Pat
>
>
> On 2/10/2022 2:33 PM, Tim . wrote:
> > Hey all,
> >
> > I have a stand-up HF blast cabinet pushed by a single stage Porter
> > Cable 80-gallon compressor. The compressor runs almost constantly but
> > keeps up just fine. My air is not the driest but I rarely see moisture
> > being blasted on to the metal unless it is summer and more humid.
> >
> > I am currently using "black blast" from Menards on a 50+ year old
> > drive shaft. It is rusty but is coming clean relatively easy....kinda....
> >
> > My issue is I get about 20-45 second of real good and quick
> > cleaning/blasting then the stream coming out of the nozzle seems to
> > get weaker and not have much if any media in it. If I clean the
> > intake, it works fine again for a little bit, then get less effective
> > again.
> >
> > Clearing the intake is easy enough but slows down the process. (this
> > is quite the PITA when the temps are in the 20s or lower.)
> >
> > Thought on why I have to keep clearing the intake?
> >
> > Thanks
> > tim
> >
> >
> >
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