Re: [MW:21970] Lack of fusion in production welding - GMAW !!!

Hello Mr. George,

My LOF is intermittent in majority of the jobs. However in fewer bodies it is continous. I can say 85:15 ratio of the Leaked welds

Regards

Vadivel. M

On Saturday, September 20, 2014 4:10:26 PM UTC+5:30, George Dilintas wrote:

Your LOF is intermittent of continuous?
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager

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  From: Vadivel Mahadevan [vadivel...@gmail.com]
  Sent: 09/20/2014 02:19 AM MST
  To: material...@googlegroups.com
  Subject: [MW:21945] Lack of fusion in production welding - GMAW !!!

Dear Experts,

 

I face Lack of fusion problem in GMAW process in the production weld often.

WPS qualified on short circuiting mode as the torch is designed to the same.

But when I use the same current and voltage I come across Lack of fusion

The wire I use is ER316L of 1.2mm dia.Bare wire , volt not more than 19V.

 

Now I started using 23 to 26V(Spray transfer mode volt range) to overcome my issue.

Can you suggest what are the parameters I need to control to get a sound weld in the short circuiting mode.

 

Regards

Vadivel. M

07829007400

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