6.20 For the gear train shown in the figure, find the required input power and speed...

 

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6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3. 6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3. 6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3. 6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3. 6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3. 6.20 For the gear train shown in the figure, find the required input power and speed of the 18 tooth spur pinion (magnitude and direction of rotation) knowing that the required output torque is 3 kN.m. at 1.5 rad/s CW on worm wheel 9. All gears have a normal pressure angle of 20' and the coefficient of friction between the worm and the worm wheel is 0.03. 18T 30T 187 eh 38T 30T 7 20T 30°y 30 R.H. A 36T 9 Worm 37 R.H. 60°y 8 B 3.