Arc blow comes severe when welding is carried out in confined spaces and corners on heavy metal plate using a dc power source.
Remedies.
1.electrod geometry in non consumable electrod.
2.changing the position of earth clamp.
3.'avoiding the presence of maganite material around wp
4. Put earth clamp away from joint weld
5. Preheating the parts befor welding
On Mon May 30th, 2011 5:25 AM EDT we1414 wrote:
>Dear experts Hello to all of you as i m new to this group.
>my query is about arc blow. pleas explain why it occurs during welding
>and how can it be controlled.
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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