A three-thread worm gear, rotating at 1000 rpm, drives a 31-tooth worm gear and transmit 15 HP. The worm has 14 ½ o teeth with ¾ pitch, 2 in pitch diameter, and an included face angle of 60 o. The coefficientof friction is 0.05. (Assume Y = 0.322) A. Determine the helix angle of the worm. Ans. 70.30o B. Determine the speed ratio. Ans. 10.33 C. Determine the center distance. Ans. 4.70 in

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A: The given information in the problem is shown in the following attached image:

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Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.