Voltage anything less than 21v goes to short circuit, but in ur case Voltage is ok, but increase the current to minimum 250amps, Do not put in Synergy mode and set the Current as required.
THANKS & BEST REGARDS,
KG.PANDITHAN, IWE, AWS-CWI, CSWIP 3.1,
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
On Wed, Mar 22, 2017 at 10:06 AM, Aby Jose <abycscec@gmail.com> wrote:
Dear Mr Pandithan,In the machine I have selected the pulse mode itself. (GMAW-P). The position I am using is IG(rotating ) . As I am using the synergy mode in the machine the current and voltage is getting selected automatically when I am giving the wire feed speed. I am using the wire feed speed of 9.5 m/min, the voltage coming is in range 25V -28V and current in range 215 to 230. How to ensure I am not using the short circuiting mode?? I am using this process for pipe welding which includes both high and low thickness.Regards,Aby--On Wed, Mar 22, 2017 at 9:02 AM, Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:As argon increase, %of penetration will come down and may get into porosity . Try with 85+15 with current of >250amps. spatter is inevitable in this process, u can reduce by another option with GMAW-P. If u work in Spray mode, spatter stiking into base metal will be less due to its sizesTHANKS & BEST REGARDS,KG.PANDITHAN, IWE, AWS-CWI, CSWIP 3.1,CONSULTANT-WELDING & QUALITYMobile no: +919940739349On Tue, Mar 21, 2017 at 7:12 PM, Prasad Rao <prasadrao31@gmail.com> wrote:
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Try for 98% argon and 2% co2--On Tue, Mar 21, 2017 at 12:56 PM, Aby Jose <abycscec@gmail.com> wrote:Dear all,--What shielding gas should be used for the pulsed GMAW welding of carbon steel? When trying with 80%Ar+20%CO2 mixture I am getting a lot of spatters. The welding used is Automatic welding with Robotic machine.Any recommendations???Regards,Aby
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