Regards
PRK
On 12/18/11, S C Balawat <scb12345@gmail.com> wrote:
>
> Good morning group members ,
>
> I would like to know your experience in Mig welding with TBi TD 20 Tandem
> torch of TBI industries . We are experiencing problems like burn through,
> excessive spatters, undercut in the welds. Weld is fillet of 10 mm. We
> simultaneously weld two fillets using robots. Job rotates in vertical plane
> and the robots are stationary . We are unable to stabilize the weld quality
> . Thickness of the at the joint is 10 mm and 14 mm in one weld joint and in
> another it is 10 mm and 12 mm.Welding gas is 90/10 argon / CO2.Power source
> is "power wave robotic 655 " of Lincoln Electric
>
> We are using 1.6 mm solid wire in the leading torch and 1.2 mm in the
> following torch . Weld parameters are 400amps/28 volts and 360amps /27 volts
> respectively.weld wire is ER70S-6 in Marathon spools. Weld wire is ESSAB
> make .Material of the joint members is AISI 1020.
>
> I look forward to your comments /suggestions.
>
> Regards,
>
> S C Balawat
>
>
> Sent from my iPad
>
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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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