The shaft in the figure below is part of a drive for an automated transfer system in a metal stamping plant.  Gear Q delivers 30 hp to gear B.  Sheave D delivers the power to its mating sheave as shown.  The shaft carrying B and D rotates at 550 rpm. Use SAE1040 cold drawn steel. Note: Torque on gear at B and the torque on sheave at D are equal. Gear Data: - NB= 96 (Number of teeth on gear B) - Pd= 6 (Diametral pitch for gear B) - Spur gears Gear pressure angle =20o - Shaft at B and D rotate at 550 rpm. Use the following assumptions: - Bearing seats have sharp fillets. Kt=2.5 - Design factor (Factor of Safety) = 3 - Pinion Q is rotating in CCW direction. - Cs= Size factor = 0.80 a)  Determine the magnitude of the torque in the shaft at all points b)  Compute the forces acting on the shaft at all power-transmitting elements c)  Compute the reactions at the bearings

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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     The shaft in the figure below is part of a drive for an automated transfer system in a metal stamping plant.  Gear Q delivers 30 hp to gear B.  Sheave D delivers the power to its mating sheave as shown.  The shaft carrying B and D rotates at 550 rpm. Use SAE1040 cold drawn steel.

Note: Torque on gear at B and the torque on sheave at D are equal.

Gear Data:

- NB= 96 (Number of teeth on gear B)

- Pd= 6 (Diametral pitch for gear B)

- Spur gears Gear pressure angle =20o

- Shaft at B and D rotate at 550 rpm.

Use the following assumptions:

- Bearing seats have sharp fillets. Kt=2.5

- Design factor (Factor of Safety) = 3

- Pinion Q is rotating in CCW direction.

- Cs= Size factor = 0.80

a)  Determine the magnitude of the torque in the shaft at all points
b)  Compute the forces acting on the shaft at all power-transmitting elements
c)  Compute the reactions at the bearings
 
+ 10.00 - 10.00 - 6.00
V-belt sheave
40°
Gear Q
Section B-B
Gear B
Section A-A
(a) Pictorial view of assembly
(b) Detailed views of assembly and its components
Transcribed Image Text:+ 10.00 - 10.00 - 6.00 V-belt sheave 40° Gear Q Section B-B Gear B Section A-A (a) Pictorial view of assembly (b) Detailed views of assembly and its components
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