A sawtooth wave follows a pattern similar to that of a sine wave, a series of alternating high and low voltages. The difference is that a sawtooth wave’s magnitude rises steadily to a maximum, then switches instantaneously to zero. A sawtooth wave is useful for many welding applications.
Scholarship fund to honor Dick Kallage - by Tim Heston FMA’s Nuts, Bolts, & Thingamajigs foundation has set up a memorial scholarship fund in honor of Dick Kallage, an influential member of FMA and columnist for The FABRICATOR magazine. Kallage died of cancer Feb. 18.
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