I needed to do some down and dirty flux core welds for a project I am working on, but it was raining, so I couldn't do them outside.
My CNCCS plasma built is 100% downdraft venting outside so I through this together:
Its simply a 12" x 12" piece of 16 Gauge steel sitting on the slats on the front of my machine.
It works very well, I get no fumes or smoke in my shop at all when the downdraft is turned on. Not that the downdraft is too much for any kind of TIG or even MIG welding unless I close the damper on the downdraft.
For larger welding projects, I will be making a insert that sits on the table and tuns a duct to my welding table for a more traditional fume extractor.
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