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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Question for the 'gang'
On Apr 6, 6:51 pm, Ken Sterling (Ken Sterling) wrote:
Everyone... I have a woodburner that I purchased about 1985 or so. Originally made by the Scandinavian Furnace Works in Fountain, Florida (evidently now out of business). The shaker grates (3) in this unit are cast iron, about 24" long, have "teeth" on both sides, have a rounded bottom, a "leg" which sticks down on the deep end of the grate for connection to the others and providing a means of "rocking" all three at one time by placing the shaker handle on any one of the three triangular ends just inside the ash pit door. Problem is that these are just about "done" as far as their lifespan, and I'm having trouble locating anything close to this design. I'm thinking - (beware) - would it WORK to get some 1/2" plate stainless, three pieces 4" x 24" and mill out the teeth on each side, weld on the links for shaking, etc. Would the stainless endure the heat? We only burn wood, but the "coals" get really hot and I wouldn't want the stainless to sag under the heat and weight of the fire. I don't mind paying the price for the stainless if this is a viable solution. Otherwise, I don't see any other method except to try to find someone to "cast" a new set - and that would probably be cost prohibitive. Suggestions???? Thanks. BTW, I, myself, don't want to try casting. Ken. Ken, Stainless has higher strength, at high temperature, than cast iron. Go with the Stainless, if you can afford it. |
#2
Posted to rec.crafts.metalworking
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Question for the 'gang'
Everyone...
I have a woodburner that I purchased about 1985 or so. Originally made by the Scandinavian Furnace Works in Fountain, Florida (evidently now out of business). The shaker grates (3) in this unit are cast iron, about 24" long, have "teeth" on both sides, have a rounded bottom, a "leg" which sticks down on the deep end of the grate for connection to the others and providing a means of "rocking" all three at one time by placing the shaker handle on any one of the three triangular ends just inside the ash pit door. Problem is that these are just about "done" as far as their lifespan, and I'm having trouble locating anything close to this design. I'm thinking - (beware) - would it WORK to get some 1/2" plate stainless, three pieces 4" x 24" and mill out the teeth on each side, weld on the links for shaking, etc. Would the stainless endure the heat? We only burn wood, but the "coals" get really hot and I wouldn't want the stainless to sag under the heat and weight of the fire. I don't mind paying the price for the stainless if this is a viable solution. Otherwise, I don't see any other method except to try to find someone to "cast" a new set - and that would probably be cost prohibitive. Suggestions???? Thanks. BTW, I, myself, don't want to try casting. Ken. |
#3
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Question for the 'gang'
should work fine. Use the 304 grade for weldability. Stone bitch to machine.
Karl |
#4
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Question for the 'gang'
On Apr 6, 10:51*pm, Ken Sterling (Ken Sterling) wrote:
Everyone... I have a woodburner that I purchased about 1985 or so. Originally made by the Scandinavian Furnace Works in Fountain, Florida (evidently now out of business). The shaker grates (3) in this unit are cast iron,... Ken. That's clearly a coal stove, you turn the grates to break up clinkers (slag lumps). Wood stoves only make clinkers if you burn recycled clay- coated paper. A barbecue or fireplace type grate should be fine, if you need a grate at all. When I was a kid I made a blast furnace using a broken garden rake for the grate. The incoming air kept it cool enough to hold its shape even with ~5 Lbs of lead on top of the wood. I replaced a badly warped cast iron baffle plate in my woodstove with stainless and it has held up very well for a couple of years. The stove has no grate, just a layer of sand to protect the bottom. The air enters horizontally through the door vent about 2 inches above the sand. Jim Wilkins |
#5
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Question for the 'gang'
On Mon, 07 Apr 2008 02:51:29 GMT, Ken Sterling (Ken Sterling) wrote:
Everyone... I have a woodburner that I purchased about 1985 or so. Originally made by the Scandinavian Furnace Works in Fountain, Florida (evidently now out of business). The shaker grates (3) in this unit are cast iron, about 24" long, have "teeth" on both sides, have a rounded bottom, a "leg" which sticks down on the deep end of the grate for connection to the others and providing a means of "rocking" all three at one time by placing the shaker handle on any one of the three triangular ends just inside the ash pit door. Problem is that these are just about "done" as far as their lifespan, and I'm having trouble locating anything close to this design. I'm thinking - (beware) - would it WORK to get some 1/2" plate stainless, three pieces 4" x 24" and mill out the teeth on each side, weld on the links for shaking, etc. Would the stainless endure the heat? We only burn wood, but the "coals" get really hot and I wouldn't want the stainless to sag under the heat and weight of the fire. I don't mind paying the price for the stainless if this is a viable solution. Otherwise, I don't see any other method except to try to find someone to "cast" a new set - and that would probably be cost prohibitive. Suggestions???? Thanks. BTW, I, myself, don't want to try casting. Ken. Just be aware that the stainless will probably warp more when hot than the cast did so plan accordingly. You might need a little more clearance in some places. |
#6
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Question for the 'gang'
Everyone...
Snip original message... Sounds like stainless should work okay for this purpose, however, would it be a good idea to add a vertical support member under the actual grate on each one to help prevent sagging??? I'm thinking a form like a capital T with the teeth for the grate cut in the top horizontal part on each side of the vertical. On a 24" long grate, would the vertical member be overkill?? Thanks. Ken. |
#7
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Question for the 'gang'
On Apr 7, 1:27 am, "Karl Townsend"
wrote: should work fine. Use the 304 grade for weldability. Stone bitch to machine. Karl 309 and 310 are used for high heat applications. But could be hard to find and expensive. Dan |
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