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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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Dimensionally Stable Metal
I haven't gottena all of the particulars worked out yet, but I am
working on designing a camera stand and trying to decide on the best material to make most of it out of. I'm not trying to reinvent the wheel, but a special project makes it necessary to be able to take a series of as many as 180 equally spaced photos across a 45° swing and be be able to do the same again without any perceptable deviation. In other words if I take a picture at 12-1/4° and then continue turning the camera all the way to the end, when I return the camera to the same spot I took the photo I will need to be able to stop and lock the camera so that the photo next photo I take there is *exactly the same as the previous one I took. This is not plausible with conventional camera stands. So I'm trying to decide on the best metal to make the moving parts out of. A metal that will best retain it's dimensions under changing temperature conditions. To start. Would cast Iron be a plausible candidate? Thanks. Darren Harris Staten Island, New York. |
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