Q2 A gear train comprising of a pair of straight bevel gears and two pairs of helical gears is shown in Figure Q.2. The first stage consists of bevel gears A and B with gear A having 30 teeth, gear B having a back cone diameter of 60 mm and both gears having a pressure angle of 20. The second stage consists of helical gears C and D with the final stage consisting of helical gears E and F. For an input at shaft A of 4.5 kW at a speed of 350 rev/min in the direction shown, determine: D the number of teeth on gears B and D; ii) the helix angle of gears E and F; ii) the speed and direction of output shaft F, and the torque available; iv) the forces on gears B and C showing their directions in a carefully drawn free body diagram. m = 4 350 rev/min 15 B Z= 40 - 20° V= 30° m- 2 Z = 32 = 20 Z = 24 m = 2 67 Act All dimensions in millimetres.

Q2 A gear train comprising of a pair of straight bevel gears and two pairs of helical gears is shown in Figure Q.2. The first stage consists of bevel gears A and B with gear A having 30 teeth, gear B having a back cone diameter of 60 mm and both gears having a pressure angle of 20. The second stage consists of helical gears C and D with the final stage consisting of helical gears E and F. For an input at shaft A of 4.5 kW at a speed of 350 rev/min in the direction shown, determine: D the number of teeth on gears B and D; ii) the helix angle of gears E and F; ii) the speed and direction of output shaft F, and the torque available; iv) the forces on gears B and C showing their directions in a carefully drawn free body diagram. m = 4 350 rev/min 15 B Z= 40 - 20° V= 30° m- 2 Z = 32 = 20 Z = 24 m = 2 67 Act All dimensions in millimetres.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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