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Cheap Metal Brake?? - Page 2

post #11 of 24
OP, what do you plan on making? What are the widths of these parts? You could fabricate a bending jig quite easily, or just hammer it out with some wood and a dead-blow hammer. Or if you're so inclined, I have access to a brake that would handle anything you would need for a computer case.
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post #12 of 24
Thread Starter 
Quote:
Originally Posted by shinji2k;12036428 
You are probably going to have a bit of trouble bending 2mm alu with those flimsy brakes.

I hope it won't be too much trouble... See the specs of what I am trying to accomplish in my next response. Let me know what you think.
Quote:
Originally Posted by ILOVEPOTtery;12037345 
OP, what do you plan on making? What are the widths of these parts? You could fabricate a bending jig quite easily, or just hammer it out with some wood and a dead-blow hammer. Or if you're so inclined, I have access to a brake that would handle anything you would need for a computer case.

I plan on making a new divider for my case. The blue line is the cross section of the existing panel, where as the red line is the cross section of the new panel I wish to bend.
Screenshot010c.png


The Dimensions: 230mm x 442mm x 1~2 mm

Do you think this can be done with the Harbor Freight brake?

Also, @ILOVEPOTtery, do you do contract out your brake? I have been dying to build my own case for some time, but don't have access to a commercial brake.
post #13 of 24
If you have any local machine shops they would probably do a simple bend like that for real cheap, but if you wanted a brake just to have for future projects..

Review from HF about that 18" brake,
Quote:
Mine broke one of it's handles when I tried to bend 0.063'(1/16) x18" aluminum sheet, so it's good for small pieces of thin or soft metals, for anything else handles are just too short to provide enough leverage and they are not strong enough...

That's a similar size to what you are working with, but if you did it right, should still be fine. One word about Harbor Freight stuff, the stuff they have is cheap for a reason. Some of the tools are alright, good for starter tools or backups, and some of there stuff is also decent. They also have a lot of just crap though so just beware.
post #14 of 24
Thread Starter 
Quote:
Originally Posted by Faster_is_better;12043787 
If you have any local machine shops they would probably do a simple bend like that for real cheap, but if you wanted a brake just to have for future projects..

Review from HF about that 18" brake,


That's a similar size to what you are working with, but if you did it right, should still be fine. One word about Harbor Freight stuff, the stuff they have is cheap for a reason. Some of the tools are alright, good for starter tools or backups, and some of there stuff is also decent. They also have a lot of just crap though so just beware.

Thanks, I hear you about HF. It is really hit or miss.

Maybe I should just invest in a decent brake. At $40 I might just give it a shot. It might be good for light bending.
post #15 of 24
Quote:
Originally Posted by OverK1LL;12043697 
.... I plan on making a new divider for my case. The blue line is the cross section of the existing panel, where as the red line is the cross section of the new panel I wish to bend.
Screenshot010c.png


The Dimensions: 230mm x 442mm x 1~2 mm

Do you think this can be done with the Harbor Freight brake?

Also, @ILOVEPOTtery, do you do contract out your brake? I have been dying to build my own case for some time, but don't have access to a commercial brake.

I would be using the mando-size brake in our welding lab. Depending on the size of the piece and your desired gauge of aluminum, I may already have the material on hand. Or if you prefer, ship me what you have, I'll bend it, and send it back. I would like you to cover shipping both ways, but other than that, I would be happy to help. smile.gif Maybe shoot me a PM with specs and bend angles.

Edit: I'm looking at your case online. Will you still be using that vertical support in the motherboard chamber? Also, I could put an extra lip on this panel so you could screw/rivet it to the floor of the case.
Edited by ILOVEPOTtery - 1/17/11 at 8:33pm
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post #16 of 24
Sorry for the double-post, but OP, you said you wanted to use 6061. Is there a specific reason why?

I suggest using the commonly available 3003 alloy. It is more ductile and usually priced a bit less than 6061.
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post #17 of 24
Thread Starter 
Quote:
Originally Posted by ILOVEPOTtery;12057780 
Sorry for the double-post, but OP, you said you wanted to use 6061. Is there a specific reason why?

I suggest using the commonly available 3003 alloy. It is more ductile and usually priced a bit less than 6061.

No reason in particular. I have some 6061 left over from an RC Airplane build and it was expensive so I figured I might as well use it, but 3003 may be better since it is more ductile.

On a side note, I picked up that metal brake from HF on my way home. I am glad I saved my receipt. It couldn't even bend 16GA without bending itself.

It looks like I may have to take you up on your offer...
post #18 of 24
Quote:
Originally Posted by OverK1LL;12060004 
No reason in particular. I have some 6061 left over from an RC Airplane build and it was expensive so I figured I might as well use it, but 3003 may be better since it is more ductile.

On a side note, I picked up that metal brake from HF on my way home. I am glad I saved my receipt. It couldn't even bend 16GA without bending itself.

It looks like I may have to take you up on your offer...

Sometimes HF is hit or miss, but you get what you pay for. doh.gif
Quote:
The Dimensions: 230mm x 442mm x 1~2 mm

Like this?
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post #19 of 24
Quote:
Originally Posted by ILOVEPOTtery;12057780 
Sorry for the double-post, but OP, you said you wanted to use 6061. Is there a specific reason why?

I suggest using the commonly available 3003 alloy. It is more ductile and usually priced a bit less than 6061.

I second that. 3003 or 5052 (very widely used) will probably give you much better results. 6061 is very likely to crack if you're going to put a sharp bend in it. If you want to give it a go though, make sure the bends are perpendicular to the grain of the material and keep the bend radius as big as you can (while meeting your needs). You could also try 1100 which is very soft and easily formed - not terribly strong, but if you're simply using it as a divider, it should work fine. Good luck with it!
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post #20 of 24
Quote:
Originally Posted by SmasherBasher;12026908 
I've seen it done with these.
http://www.blackanddecker.com/power-tools/WM225.aspx
WM225_5.jpg

i own one of these smile.gif
    
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