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TIG welding nozzles

TIG welding nozzles

TIG welding nozzles

Why do TIG welding ceramic nozzles break? Is there a list of reasons anyone can suggest? Is there a book, website or person who can have more information on this issue? Any help would be appreciated. Thanks,

RE: TIG welding nozzles

Lincoln Electric (phone 216-383-2240) is a good source.
AWS (www.aws.org) another place for publications

RE: TIG welding nozzles

Too much hand pressure is being appplied on the rig when walking the cup

RE: TIG welding nozzles

Too short electrode stick out, too small nozzle, not enough gas flow, loss of coolant (if a water cooled unit), too large an electrode or too much amperage, cheap nozzles, incorrect thread causing stress on the ceramic material....Mike

RE: TIG welding nozzles

Use an Alumina ceramic cup instead of the light colored ones, they hold up much better. But don't drop it, it can shatter. If you are walking the cup and causing breakage that way. Learn how to weld either freehand or build a hand rest to keep your hand off the parts, you will be much better off than walking the cup.

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