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Old 6th September 2008, 12:17 AM   #1
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Default Metal strength for enclosure

I am looking for a piece of steel or aluminum 15" by 15" to support approximately 30 pounds. Is there a "thickness" calculator, or approximation, to tell me how thick of a sheet of steel or aluminum I would need?
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Old 6th September 2008, 01:05 AM   #2
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Some more details of the application would be helpful. How will the weight be spread over the plate? How will the plate be supported?
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Old 6th September 2008, 02:11 AM   #3
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Sorry about the lack of detail!

The main object to support is a 25 pound toroid transformer. The toroid transformer is about 12" in diameter. I am looking for a solid base to set it on. The plate would have four rubber feat beneath it.

--> I used to use a sheet of aluminum to support a similar sized toroid for a different project. After I disassembled the project, I realized that the aluminum sheet I used wasn't strong enough because there was a large indent in the metal where the toroid had been mounted.
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Old 6th September 2008, 04:13 PM   #4
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how high do you plan on dropping it from?
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Old 6th September 2008, 08:25 PM   #5
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I think it might be more practical to use thin metal, but reinforce it with "L"-shaped (as seen end on) cross members.
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Old 6th September 2008, 08:39 PM   #6
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Thin channel stock may also be used. It provides a little more rigidity, so it can support even more weight. A couple of strips spaced beneath the toroid should do.

It, as well as L stock, can lift toroid off the plate for ventilation.
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