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A right-hand single-tooth hardened-steel (hardness not specified) worm has a catalog rating of 2000 W at 600 rev/min when meshed with a 48-tooth cast-iron gear. The axial pitch of the worm is 25 mm, the normal pressure angle is
Problem 13–51
Dimensions in millimeters.
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Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
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