by miles
(watkins)
i have been welding on heater treaters for years recently have noticed that i have been getting worm tracks only when i start welding the curves of a fire box but when i enter the flat position it is fine what is wrong? please help me also with proper setting on my dual feed miller machine it is a delta weld 600
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wtt response,
slight changes in voltage and stickout can make a big difference in fixing wormholes.
try lower voltage only half a volt and increase stickout a little.