[TheForge] Copper

Mon May 6 21:18:01 2002

I would have to agree with Mike on the adhesives you could also put studs on the back. 16 guage copper is approx 48oz a Sq ft. (just off the top of my head) for clean cutting most sheat metal shops should be able to do it. Or if you have a lot to do. the laser cutter guys are good. There are a number of premixed patinas, try stained glass suppliers or lapidary(sp?) (rock) shops. I use 40 gms of ferric nitrate in 1 liter of water for brown. Some say heated peanut oil works, a light rubbing and heat with a torch.(sp)

GHS <[email protected]> wrote:

>In light of the information below:
>
>Adhesives may be a problem. The air
>temperature is not the issue. The solar
>effect on the metal may very well cook
>the adhesive. You will also need to keep
>in mind that the metal will move quite a
>bit as it expands and contracts.
>
>Since you are in effect using copper
>plate, I would suggest attaching pins or
>some other fastener to the back of the
>sheet and mechanically mounting the
>plates. I would also suggest not trying
>to fight the motion do to heat/ cool
>cycles and make the fasteners such that
>the motion is allowed without placing
>stress on the attachment.
>
>Mike Graf
>
>Jeffrey L Jones wrote:
>> 
>> "You will have good results with 2 pair of offset compound leverage
>> snips, get left and right hand. �The cutting edge is below the mass of
>> the tool and you have excellent control. �over cut a bit if the
>> complexity requires it to allow finishing with a fine file and
>> sandpaper."
>> Stephen McGehee
>> 
>> Stephen,
>> These offset compound leverage snips, will they cut at least 16 gauge
>> copper and not distort the cut edge? �As my reply to Mike Graf indicates
>> I did not make it clear if I was talking ounces or gauges. �I am talking
>> gauges just because I am familiar with thickness rather than mass. �Just
>> the center of this door will have 4 copper triangles cut and mated to
>> form a diamond. �All the cuts must meet exactly with no distortion in the
>> copper.
>> 
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