RI NG GEAR Stage 2 PLANETARY GEAAS ARM Stage 1 OUTPUT SHAFT CTOOL SPINOLE) CATTACHED TO ARMO PLANETARY GEAAS AGM SECCND SUN GEAR CATTAREIQARV NPUT SUN GEAA A two-stage planetary gear system inside an electric screwdriver is shown above. In each stage, the input is applied on the sun gear, which is positioned at the center of the three planetary gears, and the planet arm is the output. The sun gear of the second stage is fixed to the output (planet arm) of the first stage (aarmı = @sunz). The gears are identical in both stages with N.un = 8, N2 = 24 and Nring = 60. The ring is stationary (wring = 0). a) Calculate the reduction ratio in one stage (i.e. the ratio warm1/wsun1). Assume that in the first stage, wsun1 = 3000 rpm. b) What is the reduction ratio in two stages (i.e. the ratio warmz/asun) c) If the torque applied on the input sun (in the first stage) is 0.2 Nm, calculate the output torque at the shaft connected to the planet arm in the second stage.

RI NG GEAR Stage 2 PLANETARY GEAAS ARM Stage 1 OUTPUT SHAFT CTOOL SPINOLE) CATTACHED TO ARMO PLANETARY GEAAS AGM SECCND SUN GEAR CATTAREIQARV NPUT SUN GEAA A two-stage planetary gear system inside an electric screwdriver is shown above. In each stage, the input is applied on the sun gear, which is positioned at the center of the three planetary gears, and the planet arm is the output. The sun gear of the second stage is fixed to the output (planet arm) of the first stage (aarmı = @sunz). The gears are identical in both stages with N.un = 8, N2 = 24 and Nring = 60. The ring is stationary (wring = 0). a) Calculate the reduction ratio in one stage (i.e. the ratio warm1/wsun1). Assume that in the first stage, wsun1 = 3000 rpm. b) What is the reduction ratio in two stages (i.e. the ratio warmz/asun) c) If the torque applied on the input sun (in the first stage) is 0.2 Nm, calculate the output torque at the shaft connected to the planet arm in the second stage.

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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