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2. A shaft supported by two bearings with 2 gears is indicated below W1-50 lb W2...
The simply supported shaft shown in the figure with a 600 mm span between bearings, is...
The simply supported shaft shown in the figure with a 600 mm span between bearings, is carrying three gears. If the first critical speed of the shaft equals 883 rad/sec, apply Rayleigh's equation to choose a suitable material and diameter for the shaft. 12 N 10 N 12 N +100 mm -200 mm -200 mm + - 100 mm
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing...
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing 1 Gear 1 Gear 2 Bearing 2 B OTO 4" 4" 4" 4 . . Weight Ibf Teeth number Pressure angle Po (diametric pitch) teeth/in Gear A 50 20° 6 Gear C 2 25 20° 6 Deep groove ball bearings at B and D. Pitch diameter of the gear is equal to the teeth number divided by diametric pitch. Shaft speed = 3000 rpm....
Problem 1 (a) (200 points) Shaft fatigue strength In the figure below, a rotating shaft (for...
Problem 1 (a) (200 points) Shaft fatigue strength In the figure below, a rotating shaft (for speed reducing gearbox) is subjected to radial forces at A-400 lbrand at C-800 iht. These radial forces are caused by spur gears mounted to shar (a result of the pressure angle of the teeth, 20 degrees) that mesh with 2 other spur gears, not shown. Also, The shaft transmits a constant torque of 11110 in-Ibr (925 - due to the tangential force (s: transmitted...
The following figure shows a rotating system in which the shaft is supported in bearings at A and B. The three masses m...
The following figure shows a rotating system in which the shaft is supported in bearings at A and B. The three masses mi, m2, and m3 are connected to the shaft as indicated in the figure. a) Find the bearing reactions at A and B if the speed of the shaft is 1000 rpm. b) Determine the locations and magnitudes of the balancing masses to be placed at a radius of 0.25 m in the planes L and R, which...
QUESTION 29 Q21 (B): A steel shaft (E = 207 GPa) of diameter, d and length, L is supported at the two ends in bearings...
QUESTION 29 Q21 (B): A steel shaft (E = 207 GPa) of diameter, d and length, L is supported at the two ends in bearings as shown below. It carries a turbine disc, of mass m and eccentricity a, at the middle and operates at n RPM. The damping in the system is equivalent to viscous damping with a damping ratio of ζ mass, Determine the critical speed, wcof the shaft in rad/s. Takem-19 kg, k 31113.91 N/m and c-1.45...
A shaft that carries gear 2 and 3 is supported by two bearings at B and D. Gear 4 is the driver g...
A shaft that carries gear 2 and 3 is supported by two bearings at B and D. Gear 4 is the driver gear and gear 1 is the driven gear. All gears have 20° pressure angle with diametral pitch equal to 3. The driver has N 30 teeth and transmit 75 HP at 300 rpm. The numbers of teeth of other gears are: Ni-24; N2 30; N 48 All gears are steel with Poisson's ratio of 9 .028. Use AGMA...
1. Given the following shaft/connector assembly: 2. We have a kinematic equation relating the po...
1. Given the following shaft/connector
assembly:
2. We have a kinematic equation relating the position of
the input shaft to the output shaft and the misalignment angle (w1
= input angular speed and w2 = output angular speed):
3. The following conditions are given to find the angle
alpha:
4. Please complete the following by using the equation
above with the listed conditions (NOTE: 100 rpm = 600 degrees/sec
and 120 rpm = 720 degrees/sec):
Output Shaft Connector Input Shaft...
The shaft in the figure below is supported on journal bearings that do not offer any resistance t...
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is Ơ,-300 MPa and the safety factor is FS-2.5 1) 2) 3) 4) Determine the reaction at the supports. Draw the shear force, bending and torsion moment diagrams Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates at 3000 rev/min has, at the bearing region, a nominal diameter of 50 mm and a length of 16 mm. Starting with a radial clearance ratio of 0.0015 and neglecting thermal effects a) Calculate the temperature of the lubricant which will produce an eccentricity ratio of 0.7 if the oil used is SAE10 b) Comment of the necessity to supply...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates at 3000 rev/min has, at the bearing region, a nominal diameter of 50 mm and a l...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates at 3000 rev/min has, at the bearing region, a nominal diameter of 50 mm and a length of 16 mm. Starting with a radial clearance ratio of 0.0015 and neglecting thermal effects a) Calculate the temperature of the lubricant which will produce an eccentricity ratio of 0.7 if the oil used is SAE10 b) Comment of the necessity to supply...
The simply supported shaft shown in the figure with a 600 mm span between bearings, is carrying three gears. If the first critical speed of the shaft equals 883 rad/sec, apply Rayleigh's equation to choose a suitable material and diameter for the shaft. 12 N 10 N 12 N +100 mm -200 mm -200 mm + - 100 mm
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing 1 Gear 1 Gear 2 Bearing 2 B OTO 4" 4" 4" 4 . . Weight Ibf Teeth number Pressure angle Po (diametric pitch) teeth/in Gear A 50 20° 6 Gear C 2 25 20° 6 Deep groove ball bearings at B and D. Pitch diameter of the gear is equal to the teeth number divided by diametric pitch. Shaft speed = 3000 rpm....
Problem 1 (a) (200 points) Shaft fatigue strength In the figure below, a rotating shaft (for speed reducing gearbox) is subjected to radial forces at A-400 lbrand at C-800 iht. These radial forces are caused by spur gears mounted to shar (a result of the pressure angle of the teeth, 20 degrees) that mesh with 2 other spur gears, not shown. Also, The shaft transmits a constant torque of 11110 in-Ibr (925 - due to the tangential force (s: transmitted...
The following figure shows a rotating system in which the shaft is supported in bearings at A and B. The three masses mi, m2, and m3 are connected to the shaft as indicated in the figure. a) Find the bearing reactions at A and B if the speed of the shaft is 1000 rpm. b) Determine the locations and magnitudes of the balancing masses to be placed at a radius of 0.25 m in the planes L and R, which...
QUESTION 29 Q21 (B): A steel shaft (E = 207 GPa) of diameter, d and length, L is supported at the two ends in bearings as shown below. It carries a turbine disc, of mass m and eccentricity a, at the middle and operates at n RPM. The damping in the system is equivalent to viscous damping with a damping ratio of ζ mass, Determine the critical speed, wcof the shaft in rad/s. Takem-19 kg, k 31113.91 N/m and c-1.45...
A shaft that carries gear 2 and 3 is supported by two bearings at B and D. Gear 4 is the driver gear and gear 1 is the driven gear. All gears have 20° pressure angle with diametral pitch equal to 3. The driver has N 30 teeth and transmit 75 HP at 300 rpm. The numbers of teeth of other gears are: Ni-24; N2 30; N 48 All gears are steel with Poisson's ratio of 9 .028. Use AGMA...
1. Given the following shaft/connector
assembly:
2. We have a kinematic equation relating the position of
the input shaft to the output shaft and the misalignment angle (w1
= input angular speed and w2 = output angular speed):
3. The following conditions are given to find the angle
alpha:
4. Please complete the following by using the equation
above with the listed conditions (NOTE: 100 rpm = 600 degrees/sec
and 120 rpm = 720 degrees/sec):
Output Shaft Connector Input Shaft...
The shaft in the figure below is supported on journal bearings that do not offer any resistance to axial load. The yield strength of the material is Ơ,-300 MPa and the safety factor is FS-2.5 1) 2) 3) 4) Determine the reaction at the supports. Draw the shear force, bending and torsion moment diagrams Derive an expression for the components of the stress tensor at a cross section of the shaft Neglect the shear stress due to the transverse shear...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates at 3000 rev/min has, at the bearing region, a nominal diameter of 50 mm and a length of 16 mm. Starting with a radial clearance ratio of 0.0015 and neglecting thermal effects a) Calculate the temperature of the lubricant which will produce an eccentricity ratio of 0.7 if the oil used is SAE10 b) Comment of the necessity to supply...
2. A shaft carrying a 10KN load is supported by two identical plain journal bearings. The shaft, which normally rotates at 3000 rev/min has, at the bearing region, a nominal diameter of 50 mm and a length of 16 mm. Starting with a radial clearance ratio of 0.0015 and neglecting thermal effects a) Calculate the temperature of the lubricant which will produce an eccentricity ratio of 0.7 if the oil used is SAE10 b) Comment of the necessity to supply...
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