|Project by bowtie||posted 01-27-2012 04:55 AM||4590 views||20 times favorited||17 comments|
Last winter I built a cedar strip canoe and decided to build a shop air filtration system. A buddy gave me a used furnace blower large enough to build a downdraft table/assembly table.
The filters can be serviced externally. I use 2 16×20 3m filtrete filters with 2 “cheap” prefilters. I used foam weather stripping to seal the filters .
I have 4 receptacles on each side, an 8 hour timer and a plug for an extension cord to power the table.
One end is open for storage the oposite end has a shopbuilt louver to direct the exhaust.
I was going to drill a plywood top but I had a piece of left over pegboard and it works reasonably well. I use holey non skid shelf liner to hold the wood as I sand. The cabinet is 33w x 49L x 38 H and is built of 1/2 ” plywood. It rolls on 4 casters. Cabinet is sealed with caulking to ensure air is pulled thru filters only. The fan is surprisingly quite and seems to pull in most sanding dust.
I want to build a lightweight torsion box top that I can use for more precise assembly. Thanks for lookin, I’m constantly amazed by projects posted on ljs.
-- bowtie,.....jus passin thru.... cccedar.com