Hi,
Apart from all these, arc blow can be avoided , from changing DC to AC , if AC is OK for your job.
N. Kumar
--- On Mon, 30/5/11, nayak singh <nayak_tp@yahoo.com> wrote:
From: nayak singh <nayak_tp@yahoo.com>
Subject: Re: [MW:11216] ARC Blow
To: materials-welding@googlegroups.com
Date: Monday, 30 May, 2011, 3:40 PM
unwanted deflection of welding arc from inteded path. 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. > >-- >To post to this group, send email to materials-welding@googlegroups.com>To unsubscribe from this group, send email to materials-welding+ unsubscribe@googlegroups.com>For more options, visit this group's bolg at http://materials-welding.blogspot.com/>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. -- To post to this group, send email to materials-welding@googlegroups.comTo unsubscribe from this group, send email to materials-welding+ unsubscribe@googlegroups.comFor more options, visit this group's bolg at http://materials-welding.blogspot.com/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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