[How-To] Cutting 1 1/2” aluminum plate

[cederholm]

Good morning, I have used my 7 1/4" circular saw using Irwin tungsten carbide tipped 24 tooth blades with great success on 5/8 stock. Might work for you.

That’s a interesting idea. Would you recommend multiple passes?


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[Charles scozzari]

That’s a interesting idea. Would you recommend multiple passes?


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Hi, I didn't, but if you were to over cut and then dress the cut on a mill for correct sizing of the stock multiple cuts may work well. Let the saw do the work. Of course you will be using a clamped guide for the cut.

 

[shadetreedad]

A 7 ¼” circular saw with the tungsten blade as mentioned will cut aluminum like wood. I would cut it with one pass. It is really hard to keep a straight line with a circular saw. So, use some form of fence to hold the saw square. And wear lots of safety gear. Chips fly everywhere!

 

[cederholm]

A 7 ¼” circular saw with the tungsten blade as mentioned will cut aluminum like wood. I would cut it with one pass. It is really hard to keep a straight line with a circular saw. So, use some form of fence to hold the saw square. And wear lots of safety gear. Chips fly everywhere!

Thank you. This sounds promising.


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[E0stir]

Why not try using your router with a 1/4" spiral hss bit. You could setup a fence and make step passes. If your looking for a nice finished edge... (?)

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[ErichKeane]

I did a 1-1/4" aluminum plate with a M18 circular saw a while back. While it struggled and left a pretty mediocre finish, it got the job done faster/better than anything else I could have thought of. As others said, my shop was covered in aluminum chips afterwards though, so wear hearing protection!

 

[Liljoebrshooter]

I just cut a piece of 2 1/2" thick 7050 aluminum on my table saw. Made a pass about half the thickness and flipped it over and cut it off.
Slow and steady with a 40 tooth blade.
Joe

 

[cederholm]

This is all very helpful.

Thanks everyone!


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[cederholm]

I just cut a piece of 2 1/2" thick 7050 aluminum on my table saw. Made a pass about half the thickness and flipped it over and cut it off.
Slow and steady with a 40 tooth blade.
Joe

What type of blade did you use?


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[mac1911]

Cutting thick metal would make me nervous , whats the kick back like!
I wonder if a modern table saw would cut well with out the circuit tripping to protect the motor.
I have cut lead with circular saw was not fun.