September 14, 2004
The contact tip is one of the smallest and relatively inexpensive components in a gas metal arc welding (GMAW) system, but it can cause catastrophic failure and production downtime, highly penalizing productivity.The basic function of the contact tip is to transfer welding current to the consumable...
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The gap between exact and real world - by Dan Davis
Engineers often know how to design things, but not necessarily how to make them. Fabricators that can give the next generation of engineers an idea as to how metal parts are made are doing everyone in manufacturing a favor.
Hands-on information, real-world applications, and down-to-earth practical advice for welders. Subscriptions are free to qualified welding professionals in North America.