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- since 1996 -

Sonotron NDT
Original developer and manufacturer of advanced ultrasonic instruments
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Technical Discussions
Mehdi Eskandarzade
Mehdi Eskandarzade
00:17 Jun-09-2008
Thickness measurment

Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
in this way, I can study them and find the best one for my case
Best Regards
Mehdi





 
 Reply 
 
Gowri santhosh
NDT Inspector,
Royscan engineering pte ltd, Singapore, Joined May 2008, 52

Gowri santhosh

NDT Inspector,
Royscan engineering pte ltd,
Singapore,
Joined May 2008
52
02:18 Jun-09-2008
Re: Thickness measurment
----------- Start Original Message -----------
: Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
: in this way, I can study them and find the best one for my case
: Best Regards
: Mehdi
------------ End Original Message ------------

Hi,
Pulso echo technique is the best for thickness measurement with micro tolerances.
Regards,
Gowri


 
 Reply 
 
Tom Nelligan
Engineering,
retired, USA, Joined Nov 1998, 390

Tom Nelligan

Engineering,
retired,
USA,
Joined Nov 1998
390
03:05 Jun-09-2008
Re: Thickness measurment
That is normally a straightforward measurement for an ultrasonic thickness gage. For best results, use a precision gage with a single element high frequency delay line tranducer (10 or 20 MHz), as opposed to a gage designed for corrosion survey, which will typically not be quite as accurate. I'm attaching a link to an application note on ultrasonic gaging of coiled sheet steel that you may find relevant.

----------- Start Original Message -----------
: Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
: in this way, I can study them and find the best one for my case
: Best Regards
: Mehdi
------------ End Original Message ------------




 
 Reply 
 
S.V.Swamy
Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex , India, Joined Feb 2001, 787

S.V.Swamy

Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex ,
India,
Joined Feb 2001
787
02:46 Jun-10-2008
Re: Thickness measurment
----------- Start Original Message -----------
: Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
: in this way, I can study them and find the best one for my case
: Best Regards
: Mehdi
------------ End Original Message ------------

Thickness can be measured by several techniques, but Pulse-echo technique using high frequency ultrasonic waves is almost industry standard. The most optimal method depends on your actual application. If you need to measure the sheet online as it is being produced, you would need a non-contact fast measurement technique with a feed-back control system. A simple hand held thickness gauge would be idea for static shop floor measurement.

If you define your specific application, I would be in a better position to advise you with specific recommendations.

Swamy




 
 Reply 
 
mustafa GONULAL
Engineering,
CIMTAS / ENKA, Turkey, Joined Jun 2008, 8

mustafa GONULAL

Engineering,
CIMTAS / ENKA,
Turkey,
Joined Jun 2008
8
03:17 Jun-10-2008
Re: Thickness measurment
----------- Start Original Message -----------
: : Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
: : in this way, I can study them and find the best one for my case
: : Best Regards
: : Mehdi
: Thickness can be measured by several techniques, but Pulse-echo technique using high frequency ultrasonic waves is almost industry standard. The most optimal method depends on your actual application. If you need to measure the sheet online as it is being produced, you would need a non-contact fast measurement technique with a feed-back control system. A simple hand held thickness gauge would be idea for static shop floor measurement.
: If you define your specific application, I would be in a better position to advise you with specific recommendations.
: Swamy
------------ End Original Message ------------

Hi everybody,
I am suggesting GE Kraut Kramer CL5 which isshowing also A-Scan screen. I am using also and it is very successfull.




 
 Reply 
 
Simon Amallraja
Simon Amallraja
09:58 Jun-10-2008
Re: Thickness measurment
----------- Start Original Message -----------
: Hi, Im seeking the best option for the thickness meaturment of the the sheet metals. could you please any one point me to the variuse type of thickness meaturment methods?
: in this way, I can study them and find the best one for my case
: Best Regards
: Mehdi
------------ End Original Message ------------
Pulse Echo method is best suitable one for this application. You can look for Precision Thickness Gages from Sonatest, Danatronics etc.

Simon



 
 Reply 
 

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