Re: [CAD_CAM_EDM_DRO] Step resolution

were you abosed as a child.

The exercise was simply to confirm the maths (yes plural) to see if I had
calculated the figures correctly from the information given not to find out
if I had the knowledge

...so then Mr smart arse - hom many I's an aluminium !!!

----- Original Message -----
From: <JanRwl@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, August 19, 2004 10:22 PM
Subject: Re: [CAD_CAM_EDM_DRO] Step resolution


>
> In a message dated 8/19/2004 8:40:19 AM Central Standard Time,
> azzi_b@... writes:
> is the .0025mm per step right, and if so how good is this figure.
> Also what would this be in imperial ?
> azzi:
>
> It amazes me how we dum' Yanks, the last in the world to "officially"
embrace
> Metric, can (usually) handle both mm. and Inches with much less difficulty
> than you folks across the Pond manage both! At least when considering the
> Continentals!
>
> 1 Inch (aka "imperial") is, by definition, 25.4000000 mm; 25.4 mm/in. To
> convert inches to mm. simply MULTIPLY by 25.4. To convert mm. to
inches,
> simply DIVIDE by 25.4.
>
> Thus, 0.0025 mm = 0.0025/25.4 = 0.0000984". Whew! That's not quite a
> "tenth"! (here, "machinists" call one tenth of a thousandth of an inch "a
tenth".
> so, 0.0005 would be called "five tenths".) Machinist? In England, a
> "machinist" is (perhaps logically) a person who operates machinery,
regardless if
> metal-working or woodworking. I think they call a "metalworking
machinist" an
> "engineer", which has a whole-nuther connotation here in the USA.
Thousandth of
> the inch? We call that "mil" here! I remember hearing you UK folk call a
> millimetre a "mil". One must keep his ears, eyes, and thoughts open, or
end up
> WAY-wrong!
>
> Jan Rowland, Yank Troll
>
>
> [Non-text portions of this message have been removed]
>
>
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