sheet metal shears and cutting 3mm aluminium

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sheet metal shears and cutting 3mm aluminium Rich 06-11-2008
Posted by Rich on June 11, 2008, 5:40 am
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I have in mind to buy, possibly pre-owned to meet my budget, sheet metal
shears that will cut 3mm aluminium. I'm after the type that you bolt on
to a bench and it will have a fairly long handle.

I mean like:

http://www.machinemart.co.uk/images/library/product/large/05/051210073.jpg

But, anyway, would metal shears/gullotine like the one I've indicated,
enable me to cut 3mm aluminium without warping the aluminium? Could I
get a straight line cut?

I'd be cutting out sheets around about 410mm x 300mm. I wonder what size
of shears I'd need, I mean the length of cut.



Posted by Peter A Forbes on June 11, 2008, 6:19 am
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>I have in mind to buy, possibly pre-owned to meet my budget, sheet metal
>shears that will cut 3mm aluminium. I'm after the type that you bolt on
>to a bench and it will have a fairly long handle.
>
>I mean like:
>
>http://www.machinemart.co.uk/images/library/product/large/05/051210073.jpg
>
>But, anyway, would metal shears/gullotine like the one I've indicated,
>enable me to cut 3mm aluminium without warping the aluminium? Could I
>get a straight line cut?
>
>I'd be cutting out sheets around about 410mm x 300mm. I wonder what size
>of shears I'd need, I mean the length of cut.
>

I have one of those at home in the workshop, and you'd be pushed to get a decent
cut on anything with that sort of tool. It's really a bench shears rather than a
guillotine, which is what you need, and for 3mm you need something like an
Edwards foot machine, and even that might be struggling with 3mm NS4.

Can you not get the stuff pre-cut?

Peter
--
Peter A Forbes
Prepair Ltd, Rushden, UK
peterforbes@prepair.co.uk
http://www.prepair.co.uk
http://www.prepair.eu

Posted by bigegg on June 11, 2008, 6:55 am
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Peter A Forbes wrote:
>
>> I have in mind to buy, possibly pre-owned to meet my budget, sheet metal
>> shears that will cut 3mm aluminium. I'm after the type that you bolt on
>> to a bench and it will have a fairly long handle.

> you'd be pushed to get a decent
> cut on anything with that sort of tool. It's really a bench shears rather than
a
> guillotine, which is what you need, and for 3mm you need something like an
> Edwards foot machine, and even that might be struggling with 3mm NS4.
>
> Can you not get the stuff pre-cut?

I'd be tempted to go for a cheap table saw with a TCT blade:
<http://www.toolstop.co.uk/index.php?option=shop&page=shop.product_details&product_id=3599&utm_source=google&utm_medium=base>


it will also cut your angle.




--
BigEgg
Hack to size. Hammer to fit. Weld to join. Grind to shape. Paint to cover.
http://www.workshop-projects.com -
Plans and free books - *Now with forum*

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