(a) List down 2 assumptions needed in designing the shaft in Fig. 3. Design the minimum allowable diameter for the shaft at its critical location. (b) (c) The bearings at points O and C are required to have a desired life of 25kh at a speed of 500 rev/min. Based on these conditions, select the appropriate bearings for this

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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(a)
(b)
200 mm
(c)
A
600 mm
B
200 mm
с
Fig. 3
Fig. 3 shows the layout of a shaft that rotates 500 rev/min and is supported by bearings at O and C. The
shaft is carrying two gears at point A and B, in which the pitch diameter of Gears A and B are 500 mm
and 250 mm, respectively. The force, PA applied at Gear A is 3.5 kN. The rotating shaft is made from
AISI 1030 steel, and the factor of safety is 3.
PB
PA= 3.5 kN
List down 2 assumptions needed in designing the shaft in Fig. 3.
Design the minimum allowable diameter for the shaft at its critical location.
The bearings at points O and C are required to have a desired life of 25kh at a speed of
500 rev/min. Based on these conditions, select the appropriate bearings for this
Transcribed Image Text:(a) (b) 200 mm (c) A 600 mm B 200 mm с Fig. 3 Fig. 3 shows the layout of a shaft that rotates 500 rev/min and is supported by bearings at O and C. The shaft is carrying two gears at point A and B, in which the pitch diameter of Gears A and B are 500 mm and 250 mm, respectively. The force, PA applied at Gear A is 3.5 kN. The rotating shaft is made from AISI 1030 steel, and the factor of safety is 3. PB PA= 3.5 kN List down 2 assumptions needed in designing the shaft in Fig. 3. Design the minimum allowable diameter for the shaft at its critical location. The bearings at points O and C are required to have a desired life of 25kh at a speed of 500 rev/min. Based on these conditions, select the appropriate bearings for this
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