Re: [CAD_CAM_EDM_DRO] Metal selection 101

Lee,
for best results to test material with a grinder make yourself
a collection of material samples from a source you can trust.
Mark each piece well with punch numbers and you will become
really fast an expert in material detecting.
It is still the fastest and safest way
to detect what steel you are dealing with.
Good Luck
Sven Peter

indigo_red@... wrote:

> Hi All,
> Here in Phoenix we have a good surplus metal place called 'Davis
> Metals.
> Lately I've been wandering around trying to pick out useful steel to
> machine.
>
> My goal is to find a steel that is easy to machine and can be sent
> out to be hardened if needed. This will be for general purpose
> toolholder/vises etc
> Any suggestions?
>
> What field tests can be done to determine if a piece of scrap steel
> may be useful for machining? Tim mentioned the spark/grinding test,
> and I was also thinking of a spring loaded punch and battery powered
> drill. Are there tips from the
> experience pool on this...
>
> Thanks,
> Lee
>
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