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What does CTWD mean in weldng?
CTWD stands for "Contact Tip to Work Distance"
Also called electrical stick out....or just stickout.
Its the distance between the contact tip and the puddle and if your contact tip is recessed way back in the nozzle, you CTWD might be longer than you think.
A great resource is "The Procedure Handbook of Arc Welding" available on the bookstore at jFLF,org.
Thats the James F Lincoln Foundation which is a non profit division of Lincoln Electric.
This book lists parameters as well as recommended CTWD for GMAW and FCAW processes.
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