Hi,
I use 2024-T0 (nice 'n soft but, scratches easily) for pieces that will be
bent and 6061-T6 for flat parts that need to be stiff.
73 & Good morning,
Marv WC6W
http://qsl.net/wc6w/
--- On Tue, 9/14/10, LB3HC <rezycle.bin@gmail.com> wrote:
> From: LB3HC <rezycle.bin@gmail.com>
> Subject: [Amps] What aluminum alloy to use for making PSU and RF deck
> subracks? (Should be easy to bend and cut, good for general hobby use).
> To: amps@contesting.com
> Date: Tuesday, September 14, 2010, 6:02 PM
> Question to the machinists on this
> list:
>
> I am considering doing some basic sheet metal
> bending/braking for
> making the PSU and RF deck cabinets on my GS35B linear from
> scratch. I
> have seen the nice work of Hank on his page amp:
> http://www.wv7u.com/yc156amp/pictures/procav2.jpg I am
> attempting
> something much simpler than Hanks work, but the picture is
> just to
> illustrate the general technique I am looking to use. Hank
> has made
> most the pieces of his cabinet from sheet metal, it looks
> like. I
> would like to bend "lips" like the ones on Hanks amp
> internal parts.
> This would enable me to screw the parts together without
> using too
> much angle stock. Another picture that illustrates the
> concept:
> http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=9874
>
> Question: what aluminum alloy is the easiest to use on a
> hobby
> sheetmetal brake? (I have on earlier projects used some
> scrap material
> I picked up cheap that had unknown properties. However this
> material
> was way to hard and therefore very difficult to use). I am
> going to
> buy a couple of large sheets for this and later projects so
> it would
> be worth the time to do a little research.
>
> I have seen an aluminium alloy guide here
> http://www.onlinemetals.com/aluminumguide.cfm but it
> doesn't help me
> much.
>
> Question: what aluminum alloy do you use / would you
> recommend for
> general purpose hobby / ham radio use? The material should
> be soft
> enough to be used on a general hobby / home ship metal
> brake.
>
> LB3HC
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