Welding in heat treat area...
Welding in heat treat area...
(OP)
We have a customer that wants us to fabricate some racks to hold aluminum wheels. The wheels are passing through heat treatment on these racks. They pass through an ovem at 1050F for 2 1/2 hours. They then go through a water quench with the water at 90F. The racks are roughly 6'x8'x8'. The main frame is 1"sqx12ga(0.105")wall tubing (A-500B). The shelves are constucted of 3/4" sq HR A36 bar. These shelves are cantilevered off of the tubing frame and joined via fillet welds.
I think that it is a poor design, and they have a lot of problems with their existing racks, but we are going to build them anyway. Does anyone have any recommendations on the type of wire/gas that we should be using for this application?
I think that it is a poor design, and they have a lot of problems with their existing racks, but we are going to build them anyway. Does anyone have any recommendations on the type of wire/gas that we should be using for this application?





RE: Welding in heat treat area...
RE: Welding in heat treat area...
Oops, disregard that last post of mine. Entropy has started to set in. Can you provide more specifics on the actual problems with the current design - weld cracking or separation ???
RE: Welding in heat treat area...
RE: Welding in heat treat area...
RE: Welding in heat treat area...
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Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: Welding in heat treat area...
http://www.qual-fab.net/serpentine-trays.htm
These use flat bar and round bars to pin the rack together. As a result it can support a load, but the individual bars can expand and contract freely during each thermal cycle.