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#195881 - 02/14/10 11:07 PM Re: ...and a pot. [Re: TeacherRO]
Susan Offline
Geezer

Registered: 01/21/04
Posts: 5163
Loc: W. WA
What ETS needs is a SWAP MEET board!

Sue

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#196342 - 02/22/10 01:53 PM Re: ...and a pot. [Re: Susan]
thseng Offline
Old Hand

Registered: 03/24/06
Posts: 899
Loc: NW NJ
Well, I've hit a few dead ends. The process we want is called "deep drawing". You take a flat sheet of metal and stamp it into a cup shape. It seems in this undustry, a short run is "less than 60,000 pieces". Some companies have "standard" sizes, which means "we made it for somebody once". They don't stock anything, even for touchy-feely samples. Minimum lot sizes are huge.
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Mora Knives & Adventurer Series Survival Gear

"Never trust and engineer who doesn't carry a pocketknife."

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#196343 - 02/22/10 02:12 PM Re: ...and a pot. [Re: thseng]
Compugeek Offline
Enthusiast

Registered: 08/09/09
Posts: 392
Loc: San Diego, CA
Thseng:

Maybe they could be spun?

If you're not already familiar with it, "Spinning", or "Spin Forming" is forming a disk of metal over a mandrel on a lathe. It's difficult to describe, but once you see it, it makes sense.

The actual spinning starts in this Youtube video at about 2:33.

Do a search on "metal spinning". Maybe a spin former would be willing to do smaller quantities.
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#196353 - 02/22/10 03:59 PM Re: ...and a pot. [Re: thseng]
miner Offline
Journeyman

Registered: 09/05/03
Posts: 74
Loc: Layton, Utah
Bummer.

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#196358 - 02/22/10 04:27 PM Re: ...and a pot. [Re: Compugeek]
thseng Offline
Old Hand

Registered: 03/24/06
Posts: 899
Loc: NW NJ
Thanks for the suggestion. Spinning is a close cousin to deep drawing in the way a flat sheet is shaped into a container.

However, it only works for circular parts, and I think we're looking for rectangular.

Or perhaps I missed something and there's a demand for a circular cup that's not available already?
_________________________
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Mora Knives & Adventurer Series Survival Gear

"Never trust and engineer who doesn't carry a pocketknife."

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#196452 - 02/23/10 07:43 PM Re: ...and a pot. [Re: thseng]
miner Offline
Journeyman

Registered: 09/05/03
Posts: 74
Loc: Layton, Utah
You're correct, rectangular is what we are looking for.

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#196454 - 02/23/10 08:31 PM Re: ...and a pot. [Re: miner]
thseng Offline
Old Hand

Registered: 03/24/06
Posts: 899
Loc: NW NJ
Thanks... But then re-reading the thread I noticed that there was an interest in a lid for the space-saver cup...
_________________________
- Tom S.
Mora Knives & Adventurer Series Survival Gear

"Never trust and engineer who doesn't carry a pocketknife."

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#196478 - 02/24/10 08:41 AM Re: ...and a pot. [Re: thseng]
MostlyHarmless Offline
Old Hand

Registered: 06/03/09
Posts: 982
Loc: Norway
Thanks for trying, Thseng! I was really hoping you could pull this off the ground.

Originally Posted By: thseng

However, it only works for circular parts, and I think we're looking for rectangular.


Yes smile

Originally Posted By: thseng
Or perhaps I missed something and there's a demand for a circular cup that's not available already?


I've been scouting for one piece (no seams) SS containers or container-like objects, and there's A LOT of cylindrical SS pots in all lengths and diameters available if you look for them. Particular if you think Dremel tools are fun.


Rectangular ones appear to be folded sheets of metal that are welded, stamped or soldered together. Call me paranoid, but I don't really want to heat that seam over a camp fire with my water inside.


Edited by MostlyHarmless (02/24/10 08:46 AM)

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#196479 - 02/24/10 09:37 AM Re: ...and a pot. [Re: MostlyHarmless]
scafool Offline
Pooh-Bah

Registered: 12/18/08
Posts: 1534
Loc: Muskoka
Maybe something like the square ones here?
http://www.metalexportsindia.com/storage-containers.html
I don't know of any local sources for them offhand but I remember seeing them in some dollar stores.
The ones I saw were not very heavy gauge and I didn't think too kindly of the plastic lids but they were not really all that bad (I tend to be fussy).

Maybe if you check with a local discount store they could tell you the cost to source them for you.

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#196490 - 02/24/10 03:31 PM Re: ...and a pot. [Re: miner]
Compugeek Offline
Enthusiast

Registered: 08/09/09
Posts: 392
Loc: San Diego, CA
Wups, yes, I'd overlooked that non-trivial detail. smile
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