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Old 15th November 2011, 02:57 PM   #1
Mickey is offline Mickey  China
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Talking kinda ot... 10" x 10" x 10" aluminum block/bar, does such thing exist?

me and a few guys are working on a 9.5" x 9.5" x 9.5" aluminum case, the case thickness is around 1/5", we want the whole thing to be machined from a single block of solid aluminum, like the mac mini cases i am selling but much bigger, the problem is we still could not found anything close to that size, do you think aluminum block/bar this big actually exist?
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Old 15th November 2011, 03:07 PM   #2
badman is offline badman  United States
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I'd be looking for cast boxes- enclosures for whatever. Then mill from there.
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Old 15th November 2011, 03:58 PM   #3
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Boeing mills wings out of solid aluminum. But the blank is cast for them. Around here I could get blanks that size made, but it would be easier to get over size boxes cast and finish them by milling.
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Old 15th November 2011, 05:55 PM   #4
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They have 8" aluminum square bar here: http://www.metalsdepot.com/products/alum2.phtml?page=square&LimAcc=$LimAcc&aident=

$512/ft :-(

If you can find 10" square bar, it'll be ever worse.

Roscoe
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Old 15th November 2011, 05:57 PM   #5
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Not a smart idea.
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Old 15th November 2011, 06:34 PM   #6
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Quote:
Originally Posted by Roscoe Primrose View Post
They have 8" aluminum square bar here: http://www.metalsdepot.com/products/alum2.phtml?page=square&LimAcc=$LimAcc&aident=

$512/ft :-(

If you can find 10" square bar, it'll be ever worse.

Roscoe
8 x 8 x 12 x .096735 = 74.2925 pounds. $6.89/pound!!!

Gee the commodity price is around $1.20!
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Old 15th November 2011, 07:29 PM   #7
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Originally Posted by simon7000 View Post
8 x 8 x 12 x .096735 = 74.2925 pounds. $6.89/pound!!!

Gee the commodity price is around $1.20!
Yeah, when you buy raw aluminum by the ton... Processing, extrusion and shipping to the vendor isn't cheap....
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Old 15th November 2011, 07:30 PM   #8
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Originally Posted by Roscoe Primrose View Post
Yeah, when you buy raw aluminum by the ton... Processing, extrusion and shipping to the vendor isn't cheap....
In small quantities $3 a pound is high!
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Old 15th November 2011, 07:50 PM   #9
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Apples to oranges. You're comparing raw materials cost to s finished product cost. Unless you can demonstrate that some else is selling the SAME product at a significantly lower price, you're just blowing hot air...

The raw materials to build a FirstWatt or Pass Labs amp cost a small fraction of the selling price as well, I guess Papa must be ripping us off....
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Old 15th November 2011, 08:22 PM   #10
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Originally Posted by Roscoe Primrose View Post
Apples to oranges. You're comparing raw materials cost to s finished product cost. Unless you can demonstrate that some else is selling the SAME product at a significantly lower price, you're just blowing hot air...

The raw materials to build a FirstWatt or Pass Labs amp cost a small fraction of the selling price as well, I guess Papa must be ripping us off....
I buy small quantities of aluminum all the time. It has ranged from $1.25 to $3.35 per pound depending on the market. I can buy very small pieces under a pound up to 10,000 pounds at a time. The price per pound doesn't vary by much. But there are cutting and delivery charges if the order isn't a minimum size. Yesterday I got in about 1000 pounds of assorted shapes of metal.

If you buy really small quantities most distributors will have an assortment of cut offs for scrap pricing!
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