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Machine Shop and Tool Talk

Mig Welder


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  #1  
Old 11-16-2017, 06:49:29 PM
Jerry B Jerry B is offline
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Default Mig Welder

why does my welder when I stop the wire balls up on the tip & you got to remove it or the wire will ball in the machine
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Old 11-16-2017, 07:08:49 PM
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Default Re: Mig welder

A lot of times that is a result of the burnback time being too long for the wire size. What shielding gas are you using if solid wire, and if flux core what series?
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Old 11-16-2017, 07:33:44 PM
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Default Re: Mig Welder

Hold a longer arc. The ball should be about 1/4" from the tip. Use a gas torch tip cleaner to clean out the tip. The wire is sticking in it.
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Old 11-16-2017, 10:15:53 PM
pegasuspinto pegasuspinto is offline
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Default Re: Mig Welder

Also, get a jar of the nozzle 'wax'. After a few seconds welding you just dip the whole nozzle in, and it helps shed the slag. Good stuff.
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Old 11-17-2017, 06:35:22 AM
Charley K Charley K is offline
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Default Re: Mig Welder

I would try a new tip. CK
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Old 11-17-2017, 07:41:48 AM
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Default Re: Mig Welder

+1 on a new tip. But I find the OEM tips on my Miller are sorta tight on the wire and when new will often stick. For a daily use machine this probably isn't a problem but with my occasional use it is.

If there are sticking problems also consider a new liner. They're cheap online in the area of $10-15. Also be sure to lay the torch cable out flat and not looped up which causes drag on the wire and the subsequent piss you off birds nest inside the machine.
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Old 12-25-2017, 10:51:24 PM
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Default Re: Mig Welder

Quote:
Originally Posted by Jerry B View Post
why does my welder when I stop the wire balls up on the tip & you got to remove it or the wire will ball in the machine
A gentle arc of the feedliner helps too. Sharp turns can bind the weld wire and cause birdnests at the drive wheels.
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