where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -
207 views
Technical Discussions
Omid Ghorbanian
Omid Ghorbanian
05:07 Sep-26-2001
Control of welding parameters with eddy current


: Dear colleagues,

We have a welder(MIG/MAG/TIG) robot(in Amirkabir university of thechnology-IRAN-TEHRAN) and we would like to control it with eddy current response.
Therfore we would like to make an overview of manner "automatic welding with on-line inspection
of eddy current" so that The operating welding variables affect the working of the process,
and can be adjusted during the welding operation i.e.: intensity I, voltage U, welding speed V
,distance between electrode and workpice etc. etc. are adjasted automaticaly (as for the
eddy current response)for production weld with the best quality. (welding parameters are chosen
to match the strength and toughness mechanical properties)

What are the main factors involved and roughly how much variations can these factors
be expected to cause?

: : what is the influence of welding parameters (such as intensity I, voltage U,
welding speed V,distance between electrode and workpice etc. etc.) with eddy current signal?

: : what is the influence of weld quality (shch as toughness and strength etc.) with
eddy current signal?

: : Does you have experience with such factors?

: : Does you know existing literature or website with a proper covering of this subject?

: : We are especially looking forward to replies relevant to control of automatic welding parameters with eddy current in ferromagnetic steel type.


: :Omid Ghorbanian


    
 
 Reply 
 

Product Spotlight

Ultrasonic tomograph for imaging of concrete structures А1040 MIRA

Applicable for concrete inspection allowing imaging of the internal structure of objects from conc
...
rete, reinforced concrete, different stones. The operation applies pulse-echo technique at one-side access to the object. The instrument is feasible for concrete inspection for searching conduct ducts, conduits, detection of foreign inclusions, holes, honeycombing, cracks and other concrete defects.
>

Wireless TOFD scanner

Quick, accurate and highly reproducible welds testing. The System operates wirelessly and is compat
...
ible with any type of Windows based Laptop, Desktop or Tablet.
>

HARDNESS TESTER TKM-459CE combi

TKM-459CE combi applies 2 methods of hardness control: UCI and Leeb. It provides high-accuracy tes
...
ting of metals and alloys as well as items of different sizes and configurations, their hardened layers and galvanic coatings. Device represents results in HB, HRC, HV and others. Shock-, dust- and water-proof housing with intuitive software make this gauge easy to use in all working conditions.
>

Lyft™: Pulsed Eddy Current Reinvented

PEC Reinvented—CUI Programs Redefined Corrosion under insulation (CUI) is possibly the greatest u
...
nresolved asset integrity problem in the industry. Current methods for measuring wall thickness with liftoff, without removing insulation, all have severe limitations. Eddyfi introduces Lyft — a reinvented, high-performance pulsed eddy current (PEC) solution. The patent- pending system features a state-of-the-art portable instrument, real- time C-scan imaging, fast data acquisition with grid-mapping and dynamic scanning modes, and flexibility with long cables. It can also scan through thick metal and insulation, as well as aluminum, stainless steel, and galvanized steel weather jackets. Who else but Eddyfi to reinvent an eddy current technique and redefine CUI programs. Got Lyft?
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window