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If you’re an electrical engineer
you know how an electric motor works; if
you aren’t, it can be extremely
confusing. Therefore, here’s the simplified explanation (or the “how
an electric motor works for dummies” version) of how a four-pole, three-phase
AC induction motor works in a car.
I need help determining the diametral pitch needed to achieve the closest
center-to-center distance for 2 spur gears. The 1st gear is a 34-tooth and
the 2nd gear is a 28-tooth. The center-to-center distance between the
gears needs to be as close to 2 1/8" as possible.
I was invited by Tom Astrene of TLT to write a response to the
July 2010 TLT article (Ref. 1). My rebuttal — “In Search of a Fatigue
Limit: A Critique of ISO Standard 281:2007” — was published
in Tribology and Lubrication Engineering, TLT, August
2010 edition (Ref. 10). While this article is also available online,
I will attempt to summarize the essence of my response.
One of the best things about
being a journalist — whether
for example it be reporting on
manufacturing, politics, show business, or anything else — is being paid to “go to school” and learning about any number of things that you were perhaps ignorant of at the outset.