We can even use Farros Blatter for backgouging from a min. ø of 800 mm upwards and it will have following advantages:
1)assured gouging of the weld root, preventing weld faults
2)no hardness increase in the edge zone
3)clean and reproducible tulip shape in the weld root area
4)no carbonisation
5)high rates of material removal:- removal rates:up to approx 600 gr/min with grinding wheel, up to approx 800 gr/min with grinding belt
Regards
Prem Nautiyal
On Wed, 31 Mar 2010 11:22:16 +0530 wrote
>
Dear Friends
What is the best method of back gouging of SS weld of heavy
thickness plate?
Do you prefer
i)
Back Gouging by Carbon Arc rod
ii)
By Plsama gouging with hand torch
Ia)If By Carbon Arc rod –
How much gouged surface you prefer to grind ? to remove carbon contamination
Iia) Is there any special plasma
torch available for back gouging
Regards
Hegde P.b.
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PREM S NAUTIYAL
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