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  3. a righthand singletooth hardenedsteel hardness not specified worm has a...

Question: a righthand singletooth hardenedsteel hardness not specified worm has a...

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A right-hand, single-tooth hardened-steel (hardness not specified) worm has a catalog rating of 1200 W at 600 rev/min when meshed with a 48-tooth cast-iron gear. The axial pitch of the worm is 17 mm, the normal pressure angle is 14.5° the pitch diameter of the worm is 100 mm, and the face widths of the worm and gear are 100 mm and 50 mm, respectively. Bearings are centered at locations A and B on the worm shaft. Determine which should be the thrust bearing (so that the axial load in the shaft is in compression), and find the thrust and radial forces exerted by both bearings 50 100 50 Worm pitch cylinder Gear pitch eylinder Problem 13-51 Dimensions in millimeters. The thrust and radial forces exerted by bearing A are FA, thrustN and FA, radialN, respectively The thrust and radial forces exerted by bearing B are FB, thrust N and FB, radialN, respectively.

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