Re: [CAD_CAM_EDM_DRO] Re: Alumin(i)um question for UK members

There is an aluminum called "Fortal" marketed by
http://www.mousebar.com/fhome.html
which I found on www.5bears.com website where he uses it for building his
CNC mill.

Looks like good stuff.

George

----- Original Message -----
From: "turbulatordude" <dave_mucha@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, March 01, 2005 9:32 AM
Subject: [CAD_CAM_EDM_DRO] Re: Alumin(i)um question for UK members


>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "edwinkraemer"
> <edwinkraemer@e...> wrote:
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Randy Gordon-Gilmore
> > <zephyrus@r...> wrote:
> > > In an old magazine, I read a mention of "Alcoa 946" aluminum
> alloy,
> > > which is supposed to be more wear resistant than mild steel while
> > > still easily machinable and with good corrosion resistance. I
> have
> > > not been able to find any more details on this alloy, and Alcoa
> > here
> > > in the States has never heard of it (and does not use a numbering
> > > system like that).
> > >
> > > Does anyone in the UK know what this alloy might be? I'd like to
> > find
> > > out at least the composition to compare with what might be
> > available
> > > here in the US. I have the feeling it might be one of the marine
> > > alloys.
> > >
> > > Thanks,
> > >
> > > Randy
> >
> >
> > aluminum is never harder than steel but can be anodized to create a
> > ceramic like aluminum oxide which works well with nylon or teflon
> > based bearings. 6061 anodizes well and pacific bearings or thompson
> > are 2 sources eck
>
>
> Hard anodized aluminum can be much harder than steel. But, it is
> the surface, like case hardened. It will still bend much easier, but
> you will wear out drill bits trying to make a hole.
>
> I know it is just the wording, but for this application it is
> important.
>
> Another neat thing is that you can hard anodize at home.
>
> Dave
>
>
>
>
>
>
>
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