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Using welding curtains to box in a plasma table

teemfan93

Cast Iron
Joined
Dec 5, 2015
Has anyone ever hung welding curtains from the ceiling on tracks to create an artificial wall while the table is cutting? My shop is pretty small and I am trying to find a way to contain the dust as best as I can.
 

plastikdreams

Diamond
Joined
May 31, 2011
Location
upstate nj
Has anyone ever hung welding curtains from the ceiling on tracks to create an artificial wall while the table is cutting? My shop is pretty small and I am trying to find a way to contain the dust as best as I can.

We have some hung at work for dust control and they are pretty effective. Color doesn't matter btw lol
 

DDoug

Diamond
Joined
Oct 18, 2005
Location
NW Pa
Smoke rises as it's coming off a hot plate.
Curtains have a gap at the top.
I would make something permanent up top (like a 2' high wall hanging down from the ceiling), put the curtain track up inside that for no gaps.

Exhaust fan inlet at the ceiling.
 

dana gear

Hot Rolled
Joined
Feb 27, 2013
Location
Northern califorina, usa
I think you are going to be disappointed in just how well the curtains will work containing plasma dust/smoke. We had two water tables at one time, and they worked fair. All our tables are down draft now and what a difference that made. we installed 5 HP turbine fans and ducted out through the roof and into outdoor containment systems. cutting full sheets pretty much formed an air dam but when we cut smaller sheets, we simply cover the open part of the table with a collection of 18 ga strips. We can cut all day with almost zero smoke/dust in the shop. for a small one-man shop, box in the side walls of your table add a simple suction fan and some HVAC would work great and be pretty cheap. You would be amazed how well it works.
 

Strostkovy

Stainless
Joined
Oct 29, 2017
We put two swamp coolers in the wall and installed the motors backwards, so it pulled dust through the wet membrane. Worked great.
 

DMoneyAllstar

Plastic
Joined
Feb 27, 2018
With plasma cutting steel, the smoke (or steam if using water tray) also carries really small amounts of ferrous metal that will accumulate. Even with a 3000cfm wall fan and a 3" water tray, the dust accumulates in my plasma room of my shop. You can see where every single drywall screw is located on the walls because the particles accumulate there via magnetism. About the only thing you can do to guarantee removal is with a huge downdraft setup with plenty of CFM.

I use a weld curtain between my plasma and my shelf of boxes across the room simply to keep sparks out of there.
 

Strostkovy

Stainless
Joined
Oct 29, 2017
Downdraft is not necessary. A regular sheet metal hood about 5' from the table top, overhanging each edge by 18" ducted to two wall mount swamp coolers with reversed motors was perfectly adequate for our water table. It made a huge difference.
 








 
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