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YXLON Copenhagen is a highly specialized, award winning Danish company with 60 years of experience in portable X-ray solutions for industrial NDT.
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Technical Discussions
Sanjeev
Sanjeev
18:00 Mar-23-2018
PAUT
zoom image

Paut

zoom image

Paut

Dear expert
U have one doubt regarding paut data , image attached along with
My question is why black dot is coming in sectoral setup.
Probe 5L64-A2, equipment mx2 16:128
Setup : 2 sectorial(Angle resolution 0.5 ) & one linear.
Scanning speed 40
Material P11
Please help
Thanks

 
 Reply 
 
sungeun,joo
R & D, UT
Prognosis Diagnosis Team, South Korea, Joined Jun 2013, 11

sungeun,joo

R & D, UT
Prognosis Diagnosis Team,
South Korea,
Joined Jun 2013
11
04:14 Mar-26-2018
Re: PAUT
In Reply to Sanjeev at 18:00 Mar-23-2018 (Opening).




Dear Sanjeev

I think it's better to set widen range and retest.
and if the same signal appears at the same angle with the same interval, you can suspect excess root penentration.
 
 Reply 
 
Mark
,
Zambia, Joined Jun 2016, 49

Mark

,
Zambia,
Joined Jun 2016
49
16:47 Mar-26-2018
Re: PAUT
In Reply to Sanjeev at 18:00 Mar-23-2018 (Opening).

Sanjeev
I think some pixels of display screen is dead.Save scan and image of sectorial scan by instrument on omni sd card.open the scan and image by PC.

 
 Reply 
 
Sanjeev
Sanjeev
20:30 Mar-27-2018
Re: PAUT
In Reply to Mark at 16:47 Mar-26-2018 .

Thanks for the reply
But In my equipment there are other setup file avilable , all other setup file having no problem axcept this setup
So is it possibly any other reason?
Please reply
Thank you

 
 Reply 
 
Lucian R.
NDT Inspector,
Romania, Joined Sep 2010, 6

Lucian R.

NDT Inspector,
Romania,
Joined Sep 2010
6
22:10 Mar-28-2018
Re: PAUT
In Reply to sungeun,joo at 04:14 Mar-26-2018 .

Dear Joo Sungeon, please let me ask you a question for your statement "if the same signal appears at the same angle with the same interval, you can suspect excess root penentration.": how can make sure (that is not only to suspect) root penetration?
Would you recommend a few steps on this matter (ensuring signal is from root)? Like - checking from the other side (is this required or only recommended?). Other tips.
Thanks,
Lucian R.

 
 Reply 
 
Nicholas Bublitz
Other,
VeriPhase, USA, Joined May 2010, 134

Nicholas Bublitz

Other,
VeriPhase,
USA,
Joined May 2010
134
23:07 Mar-28-2018
Re: PAUT
In Reply to Sanjeev at 18:00 Mar-23-2018 (Opening).

zoom image



Sanjeev,

This looks mainly like electrical noise. If the equipment was plugged in check the line for fluctuations, otherwise welding or fork truck in area etc. This could also be a bad encoder- check all cables for rips etc.

Other than that check PRF, you have higher resolution and fast scan speed and may need to adjust PRF until you do not see the noise.
 
 Reply 
 
Sanjeev
Sanjeev
17:23 Mar-29-2018
Re: PAUT
In Reply to Nicholas Bublitz at 23:07 Mar-28-2018 .

Thank you Nicholas sir
I think you r right. I will try ,
Thank you very much

 
 Reply 
 
Sungeun, Joo
R & D, UT
Prognosis Diagnosis Team, South Korea, Joined Jun 2013, 11

Sungeun, Joo

R & D, UT
Prognosis Diagnosis Team,
South Korea,
Joined Jun 2013
11
08:57 Apr-02-2018
Re: PAUT
In Reply to Sanjeev at 17:23 Mar-29-2018 .

Sanjeev

I misunderstood your question.
'Black dot' should be Electrorical noise. somtimes this happen when somebody weld around(cause of welding earth).

Mr.Lucian.R
Please mail me what you want to know.

 
 Reply 
 

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