Jobsmart Fluxcore 125?

   / Jobsmart Fluxcore 125?
  • Thread Starter
#11  
I would cut your nozzle back / shorten it. That way you protect the threads on the gun.
The contact tip never touches the base metal. With T-11 wires I use about 3/8 inch stick out. With T-8 wires the stick out can vary from 3/4 to 1 1/4 inch.

I think I got it. I can shorten the nozzle which screws onto the gun. Thus having the contact tip sticking out somewhat? to make visibility better. Not sure what you mean by the T-11 or T-8 wires? Is that the wire thickness? Thanks for clarifying as I'm hoping I can use the JobSmart in some capacity? KK
 
   / Jobsmart Fluxcore 125? #12  
T-11 wires are general purpose wires. Like NR-211, NR-212.
T-8 wires are NR-232, NR-233, and Coreshield 8. These wires are required for structural welding in seismic zones.
 
   / Jobsmart Fluxcore 125? #13  
The key point for the average joe back yard hack is that some of those flux cored wires are NOT suitable for multiple pass welding. When using a limited output 115 volt powered machine having the ability to multiple pass is a must in my opinion so pick a wire type that is suitable for multiple passes (most E71-T11 are suitable for multiple pass welding but they do the lack the seismic approvals. A lot of the -GS and other suffixes are not suitable for multiple pass welding even though they have other benefits).

Of course if you are doing code work then use the proper wire that code specifies. In reality there are not too many people doing code work with a tiny 115 volt wire feed machine (most are using 230 volt minimum, 3 phase, or engine drive welders for code work). And there are absolutely no welders doing any code work with a machine that spits out the wrong AC current for the fundamental design of the weld process being applied. (In other words you could do small code work with your Hobart 140 with the proper wire installed. You can NOT do any code work with the Jobsmart regardless of what wire you put in it).

Not bashing 115 volt machines that output the proper DC current for a wire feeder. I have one and it is a great asset to the welding arsenal when used within its thin metal capaibility.
 
   / Jobsmart Fluxcore 125?
  • Thread Starter
#14  
The key point for the average joe back yard hack is that some of those flux cored wires are NOT suitable for multiple pass welding. When using a limited output 115 volt powered machine having the ability to multiple pass is a must in my opinion so pick a wire type that is suitable for multiple passes (most E71-T11 are suitable for multiple pass welding but they do the lack the seismic approvals. A lot of the -GS and other suffixes are not suitable for multiple pass welding even though they have other benefits).

Of course if you are doing code work then use the proper wire that code specifies. In reality there are not too many people doing code work with a tiny 115 volt wire feed machine (most are using 230 volt minimum, 3 phase, or engine drive welders for code work). And there are absolutely no welders doing any code work with a machine that spits out the wrong AC current for the fundamental design of the weld process being applied. (In other words you could do small code work with your Hobart 140 with the proper wire installed. You can NOT do any code work with the Jobsmart regardless of what wire you put in it).

Not bashing 115 volt machines that output the proper DC current for a wire feeder. I have one and it is a great asset to the welding arsenal when used within its thin metal capaibility.

You're explanation has helped to clarify that this old hacker will be able to find use for the Jobsmart possibly on thicker steel? That doesn't require any codec seismic approvals in my back yard. That is 3/16 + using the E71-T11 wire as you pointed out with multiple passes if needed. Just to get me by. All I will need to do is check the area shops to see if they carry the E71-11. Since I have this might as well keep it loaded.

Whereas the HB 140 keep set up for the sheet metal with solid wire & gas. That will do for most all my trivial applications that come up once in a while. Not have the bother of changing wires & tips - but that could change once I get to using the HB. Surprising according to inweld the inweld E71T-GS Fusion Flow wire alloy has specs listed for 22 ga material thickness on box. That would possibly have to be using the DC and somebody that know what they're doing. KK
 

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