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How to cut aluminum

post #1 of 37
Thread Starter 
I want to cut aluminum and do it right the first time. Can anyone inform me as to what i need to prepare and what type of blade to use? It's 7075 Airplane grade aluminum if that helps. Thanks!

EDIT: I realize that i wasn't that specific. It's the aluminum found here. i got 3 sheets of the 24x24 option: http://www.onlinemetals.com/merchant...=916&top_cat=0

I'm using it for the central chassis of my scratch case, just one sheet to hang everything off of with two acrylic "wings" supporting it from both sides. The components will be sandwiched between.
Edited by last_exile - 1/31/11 at 11:43am
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post #2 of 37
Cut it for what? need more info.. Thickness, shape and what not.
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post #3 of 37
7075-T6? There's more than one grade of 7075.

How many mils?
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post #4 of 37
Depends on a lot of factors. What are you using it for?
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post #5 of 37
with a pair of alluminium scissors.
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post #6 of 37
Quote:
Originally Posted by GlockZoR IV View Post
with a pair of alluminium scissors.
I'd like to see you use a pair of tin snips on a solid block of aluminum. OP still needs to specify what application he's using it in, and if he's getting it in a sheet (tin snips would be okay), or a solid block (probably not).
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post #7 of 37
Use a bandsaw to get it to roughly the correct dimensions.
Use a mill to get precise dimensions.
Typically use about 1600 RPM for a 1/2 inch end mill. Feed rate, about 10 inches/min

Ask someone who is experienced on how to use an edge finder, since you probably don't know what that is yet, to find your zero.

Protip: To get a good professional finish. Use the cleanest and SHARPEST end mill you have access to.


*Note: the rates I posted were for 6061-T6 aluminum.. So I guess it's a start if you're going to do more research.

*Afterthought: If your stock is aluminum sheet, you can probably use an aluminum shear.
Edited by dcyli - 1/31/11 at 11:20am
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post #8 of 37
Quote:
Originally Posted by Raptor_Jesus View Post
I'd like to see you use a pair of tin snips on a solid block of aluminum. OP still needs to specify what application he's using it in, and if he's getting it in a sheet (tin snips would be okay), or a solid block (probably not).
well im going on a pretty strong basis, that hes not going to have more than an inch thick alluminium. because if hes case modding or panelling, you dont use more than 1/16

if hes going for a block, your going to need a billet machine, and have it bored and billeted...

and you better not get it wrong because alluminium is:
A) expensive
B) an absolute arse to weld.
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post #9 of 37
Thread Starter 
Quote:
Originally Posted by GlockZoR IV View Post
well im going on a pretty strong basis, that hes not going to have more than an inch thick alluminium. because if hes case modding or panelling, you dont use more than 1/16

if hes going for a block, your going to need a billet machine, and have it bored and billeted...

and you better not get it wrong because alluminium is:
A) expensive
B) an absolute arse to weld.
I'm using it as my central piece, where everything is bolted/screwed onto. It's 7075 T6 that is 24x24" and is a little more than half an inch thick. something around .06" i think?

for future reference i'm a she
Edited by last_exile - 1/31/11 at 6:38pm
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post #10 of 37
Quote:
Originally Posted by last_exile View Post
I'm using it as my central piece, where everything is bolted/screwed onto. It's 7075 T6 that is 24x24" and is a little more than half an inch thick. something around .6" i think?

for future reference i'm a she
Do want.
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