For Problem 511, complete the design of a pair of helical gears to operate under the stated
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For Problem 5–11, complete the design of a pair of helical gears to operate under the stated conditions. Specify the geometry of the gears and the material and its heat treatment. Assume that the drive is from an electric motor unless otherwise specified. Consider both strength and pitting resistance.
A single-cylinder gasoline engine has the pinion of a helical gear pair on its output shaft. The gear is attached to the shaft of a small cement mixer. The mixer requires 2.5 hp while rotating at approximately 75 rpm. The engine is governed to run at approximately 900 rpm.
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Machine Elements In Mechanical Design
ISBN: 9780134441184
6th Edition
Authors: Robert Mott, Edward Vavrek, Jyhwen Wang
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