Tig welding tips, questions, equipment, applications, instructions, techniques, tig welding machines, troubleshooting tig welding process
nova_70_383
  • Posts:
  • Joined:
    Fri Nov 06, 2009 5:51 pm

i have a metric flow meter on my everlast 250ex. for getting a starting place on flow rates for different cups, i have been using the the same flow as size cup. for example, if i am using a #6 cup i put the flow on 6 litres/min. if i use a gas lens i set one number lower, so is i am using a #6 gas lens i use 5 litres/min. does this sound right? i have always had a hard time figuring out flow rates, even with the cu ft/ hr gauges. any tips on finding the right gas flow? mild steel and aluminum is what i mostly weld. is it possible that different torches might need different flow rates even with the same cup? thanks for any help on this.
robtg
  • Posts:
  • Joined:
    Sat Aug 04, 2012 3:54 pm
  • Location:
    San Jose Ca.

nova_70_383
  • Posts:
  • Joined:
    Fri Nov 06, 2009 5:51 pm

ok... well what cup and gas flow rates are working for you? gas lens or regular collet body. i can convert it to metric.
User avatar
  • Posts:
  • Joined:
    Thu Jan 06, 2011 11:40 pm
  • Location:
    Near New Orleans

Here's a rule of thumb for flowmeters...

The ball should be 1-1 1/2 inches (25 to 40 cm) above it's resting point.
Post Reply