Loading...
36
Razor2OOAC/DC TIG-ARC
Razorweld
7: Arc wanders during DC welding
Possible Reason Suggested Remedy
Poor gas ow Check and set the gas ow between 15-25 CFH ow rate
Incorrect arc length Lower torch so that the tungsten is o of the work piece 2 - 5mm
Tungsten incorrect or in poor condi-
tion
Check that correct type of tungsten is being used. Remove 10mm from the weld end of
the tungsten and re sharpen the tungsten
Poorly prepared tungsten Grind marks should run lengthwise with tungsten, not circular. Use proper grinding
method and wheel.
Contaminated base metal Remove contaminating materials like paint, grease, oil, and dirt, including mill scale from
base metal.
Contaminated ller wire Remove all grease, oil, or moisture from ller metal.
Incorrect ller wire Check the ller wire and change if necessary
8: Arc dicult to start or will not start DC welding
Possible Reason Suggested Remedy
Incorrect machine set up Check machine set up is correct
No gas, incorrect gas ow Check the gas is connected and cylinder valve open, check hoses, gas valve and torch are not
restricted. Set the gas ow between 15-25CFH ow rate
Tungsten is contaminated Remove 10mm of contaminated tungsten and re grind the tungsten
Incorrect tungsten size and or tung-
sten being used
Check and change the size and or the tungsten if required
Loose connection Check all connectors and tighten
Earth clamp not connected to work Connect the earth clamp directly to the work piece wherever possible
Loss of high frequency Check torch and cables for cracked insulation or bad connections. Check spark gaps
and adjust if necessary
continued- TIG WELDING TROUBLE SHOOTING
TROUBLE SHOOTING - TIG WELDING
Loading...
Terms of Use | Privacy Policy | DMCA Policy
2006-2020 Rsmanuals.com