Selected articles from November/December 2003 issue published on TheFabricator.com:
Your car engine's water-cooling system has a lot in common with the cooling system in your plasma cutter: Both use water and coolant, a pump, cooling hoses, and a heat exchanger to remove energy from a heat source.
Choosing the right grinder is always important. Size, weight, durability, and a few specific features can play a big part in working efficiently. Before starting your next beveling project, use the following tips on grinder and wheel selection to make sure you're as productive as possible.
Ventilation systems come in a variety of types for different types of welding processes and varying fabrication facility setups. The emphasis on proper application of these systems and best use of the components used in them comes from an increased interest in cleaner air for the welder.
Welding can severely influence strengthened or hardened metals, depending on the hardening technique used. Because of this, post-weld heat treatment is often very helpful in maintaining weld joint strength because it softens or tempers any martensite or bainite that formed in the HAZ.
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