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- since 1996 -
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Career Discussions
Godfrey Hands
Consultant,
PRI Nadcap, United Kingdom, Joined Nov 1998, 301

Godfrey Hands

Consultant,
PRI Nadcap,
United Kingdom,
Joined Nov 1998
301
04:59 Nov-25-2008
Carbon Composite Calibration block

Hi,
I am looking for a source of Carbon Composite Thickness calibration blocks or step wedges.
Who markets these? Who manufactures them?

Godfrey


    
 
 Reply 
 
Michel Couture
NDT Inspector,
consultant, Canada, Joined Sep 2006, 835

Michel Couture

NDT Inspector,
consultant,
Canada,
Joined Sep 2006
835
07:37 Nov-25-2008
Re: Carbon Composite Calibration block
Hi Godfrey,

I don't know what is your application, but when I was working on F18 aircraft, McDonald Douglas had their own supplier and was providing us directly with what we needed.

Maybe you could work with your client and come up with something that would be satisfactory to all.

Also, I don't normally advertise for manufacturers (Try to stay neutral), but Curtis Industries Inc, in Kittanning, Pensylvania, USA may be able to help. Again they are fabricating a wide variaty of Calibration pieces. Not sure about composite, but it's worth a try.

Cheerio's

Michel
----------- Start Original Message -----------
: Hi,
: I am looking for a source of Carbon Composite Thickness calibration blocks or step wedges.
: Who markets these? Who manufactures them?
: Godfrey
------------ End Original Message ------------




    
 
 Reply 
 
Simon
Simon
07:54 Nov-25-2008
Re: Carbon Composite Calibration block
----------- Start Original Message -----------
: Hi,
: I am looking for a source of Carbon Composite Thickness calibration blocks or step wedges.
: Who markets these? Who manufactures them?
: Godfrey
------------ End Original Message ------------

You can try NDT Engg Corporation or PH Tools USA for these blocks. I will give you the complete address by tomorrow. I did get some quote from them for CFRP Step Wedges, CFRP Laminates and Honeycomb Debond Standard

Simon


    
 
 Reply 
 
Joe Buckley
Consultant, ASNT L-III, Honorary Secretary of BINDT
Level X NDT, BINDT, United Kingdom, Joined Oct 1999, 521

Joe Buckley

Consultant, ASNT L-III, Honorary Secretary of BINDT
Level X NDT, BINDT,
United Kingdom,
Joined Oct 1999
521
01:26 Nov-25-2008
Re: Carbon Composite Calibration block
NDT Engineering used to supply these and, I believe, used to make them for a lot of the aircraft companies.

Now they are part of Olympus I don't have anything to do with them, But assuming its the same people making them they should be worth trying.

Joe

----------- Start Original Message -----------
: Hi,
: I am looking for a source of Carbon Composite Thickness calibration blocks or step wedges.
: Who markets these? Who manufactures them?
: Godfrey
------------ 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
05:20 Nov-26-2008
Re: Carbon Composite Calibration block
Pardon me for asking this dumb question, but why not get it made locally? A good machine shop or tool room should be able to machine them and once you know their thickness, you can set the velocity and thus use them as calibration blocks.

Am I missing something?

Regards.

Swamy

----------- Start Original Message -----------
: Hi Godfrey,
: I don't know what is your application, but when I was working on F18 aircraft, McDonald Douglas had their own supplier and was providing us directly with what we needed.
: Maybe you could work with your client and come up with something that would be satisfactory to all.
: Also, I don't normally advertise for manufacturers (Try to stay neutral), but Curtis Industries Inc, in Kittanning, Pensylvania, USA may be able to help. Again they are fabricating a wide variaty of Calibration pieces. Not sure about composite, but it's worth a try.
: Cheerio's
: Michel
: : Hi,
: : I am looking for a source of Carbon Composite Thickness calibration blocks or step wedges.
: : Who markets these? Who manufactures them?
: : Godfrey
------------ End Original Message ------------




    
 
 Reply 
 
John Brunk
Engineering, NDT Level III
Self employed, part-time, USA, Joined Oct 1999, 160

John Brunk

Engineering, NDT Level III
Self employed, part-time,
USA,
Joined Oct 1999
160
04:24 Nov-26-2008
Re: Carbon Composite Calibration block
----------- Start Original Message -----------
: Pardon me for asking this dumb question, but why not get it made locally? A good machine shop or tool room should be able to machine them and once you know their thickness, you can set the velocity and thus use them as calibration blocks.
: Am I missing something?
: Regards.
: Swamy
: : Hi Godfrey,
: : I don't know what is your application, but when I was working on F18 aircraft, McDonald Douglas had their own supplier and was providing us directly with what we needed.
: : Maybe you could work with your client and come up with something that would be satisfactory to all.
: : Also, I don't normally advertise for manufacturers (Try to stay neutral), but Curtis Industries Inc, in Kittanning, Pensylvania, USA may be able to help. Again they are fabricating a wide variaty of Calibration pieces. Not sure about composite, but it's worth a try.
: : Cheerio's
: : Michel
: : : Hi,
: : : I am looking for a source of Carbon CompositeThickness calibration blocks or step wedges.
: : : Who markets these? Who manufactures them?
: : : Godfrey
------------ End Original Message ------------

It would be important to furnish pieces of the actual material to be tested, especially since composites vary so much. A machine shop theat is very good with metals might have difficulties such as meeting dimensional tolerances working with composites. Then there is the question of how tight these tolerances are required to be and whether the dimensional measurement must be traceable to NIST or some other recognized organization. Making sure of what the customer requires should be the first step.

John Brunk



    
 
 Reply 
 

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