[Steam-engine] Ultrasound test on vertical boiler

[Richard Strobel]

Andy, it was a small strap of metal ~ inch by 2 inches x 3/16..had all kinds 
of calibration writing on it..darn, should have got a picture.

Rci


----- Original Message ----- 
From: "Andy glines" <pioneersop96 at yahoo.com>
To: "Steam-engine mailing list" <steam-engine at lists.stationary-engine.com>
Sent: Friday, November 04, 2005 12:43 PM
Subject: Re: [Steam-engine] Ultrasound test on vertical boiler


> In one of your pics it shows them calibrating their
> machine using a "known standard"  What were they using
> for a standard?  Did they claibrate the machine using
> the actual boiler plate.  Where I work we do a lot of
> ultrasound thickness measuring.  The inspectors always
> calibrate to the actual piece that they are working
> on.
> EX: If we are measuring a piece of pipe we take a
> reading near the end in a place that we can also check
> with a micrometer.  We then calibrate the machine to
> give the same reading as the micrometer.
> The way I calibrated my machine for my boiler was to
> take a reading near a hand hole where I could also get
> a micrometer reading.  The directions with my machine
> recommend this as the best way to calibrate the
> instrument.  I'm always suspicious of values when the
> machine wasn't calibrated to the actual workpiece
> being measured.
>
> --- Richard Strobel <Richard_Strobel7 at msn.com> wrote:
>
> > Howdy all;
> >   Yesterday was a fine day with the Mt. boiler
> > inspectors showing up in full
> > force and we all had a great time!!! Learned a lot
> > and still got a long ways
> > to go with school and all.  I believe the thinnest
> > measurement was around
> > 213.  We're hoping for 80 psi but numbers still need
> > to be plugged in and
> > some questions researched.
> >
> > Pix's at:
> >
> > http://community.webshots.com/album/495773965ZtnFgK
> >
> > Hope this helps the newbee's to understand
> > Ultra-Sound as much as it did
> > Corky and I.
> >
> > Regards
> > RickinMt.
> > _______________________________________________
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> >
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> >
>
>
> Andy Glines
> Evansville, IN
>
>
>
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