a) A section of a commercial steel shafting (AISI 1040 hot-rolled) carries a pulley at its midpoint, as shown in Fig. 3(a). The pulley is keyed to the shaft, and receives 15kW at 150 rev/min, which is then transmitted to a flexible element on the pulley. In Fig. 3(b), it is given that T1 = 45 N, and T2 = 250 N. Pulley A in Fig. 3 is then connected to the driven pulley B (diameter = 600mm) through a flat belt drive, as shown in Fig. 4. Pulley A C 0.5 m 1 m Fig. 3(a) Pulley A Pulley B T₁ Fig. 3(b) 1.5 m Fig. 4 0.4 m
a) A section of a commercial steel shafting (AISI 1040 hot-rolled) carries a pulley at its midpoint, as shown in Fig. 3(a). The pulley is keyed to the shaft, and receives 15kW at 150 rev/min, which is then transmitted to a flexible element on the pulley. In Fig. 3(b), it is given that T1 = 45 N, and T2 = 250 N. Pulley A in Fig. 3 is then connected to the driven pulley B (diameter = 600mm) through a flat belt drive, as shown in Fig. 4. Pulley A C 0.5 m 1 m Fig. 3(a) Pulley A Pulley B T₁ Fig. 3(b) 1.5 m Fig. 4 0.4 m
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
Related questions
Question
i) Design an appropriate shaft for the application. Use n = 1.5. (Assume the value converges, no further iterations are needed. State all assumptions and decisions in the design.
ii. An intern at company ABC was given a task related to procurement. He needs to design appropriate bearings at locations C and D as well as the flat belt drive. He proposed the followings:
A. use 03 series 30 mm cylindrical roller bearing at location C, having a desired life of 50 kh at a reliability of 0.98, and an application factor of 1.5
B. the total length of polyamide A-3 flat belt with a belt width of 25 mm is 3m
Is his proposal appropriate? Justify.
Transcribed Image Text:a) A section of a commercial steel shafting (AISI 1040 hot-rolled) carries a pulley at its
midpoint, as shown in Fig. 3(a). The pulley is keyed to the shaft, and receives 15kW at
150 rev/min, which is then transmitted to a flexible element on the pulley. In Fig. 3(b),
it is given that T1 = 45 N, and T2 = 250 N. Pulley A in Fig. 3 is then connected to the
driven pulley B (diameter = 600mm) through a flat belt drive, as shown in Fig. 4.
Pulley A
C
0.5 m
1 m
Fig. 3(a)
Pulley A
Pulley B
T₁
Fig. 3(b)
1.5 m
Fig. 4
0.4 m
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