A polyamide A-3 flat belt 6 in wide is used to transmit 15 hp under light shock con- ditions where K, = 1.25, and a factor of safety equal to or greater than 1.1 is appro- priate. The pulley rotational axes are parallel and in the horizontal plane. The shafts are 8 ft apart. The 6-in driving pulley rotates at 1750 rev/min in such a way that the loose side is on top. The driven pulley is 18 in in diameter. See Fig. 17–10. The fac- tor of safety is for unquantifiable exigencies. (a) Estimate the centrifugal tension F and the torque T. (b) Estimate the allowable F1, F2, F; and allowable power Ha. (c) Estimate the factor of safety. Is it satisfactory? 1750 rpm Belt 6 in x 0.130 in 15 hp 18 in 6 in Ibf y= 0.042 in -96 in

A polyamide A-3 flat belt 6 in wide is used to transmit 15 hp under light shock con- ditions where K, = 1.25, and a factor of safety equal to or greater than 1.1 is appro- priate. The pulley rotational axes are parallel and in the horizontal plane. The shafts are 8 ft apart. The 6-in driving pulley rotates at 1750 rev/min in such a way that the loose side is on top. The driven pulley is 18 in in diameter. See Fig. 17–10. The fac- tor of safety is for unquantifiable exigencies. (a) Estimate the centrifugal tension F and the torque T. (b) Estimate the allowable F1, F2, F; and allowable power Ha. (c) Estimate the factor of safety. Is it satisfactory? 1750 rpm Belt 6 in x 0.130 in 15 hp 18 in 6 in Ibf y= 0.042 in -96 in

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

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Concept explainers

Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.

Question

Driving pulley diameter= (6+24) in

Driving pulley rotation = (1750+24)rev/min

Driven pulley diameter= (18+24) in

A polyamide A-3 flat belt 6 in wide is used to transmit 15 hp under light shock con-
ditions where K, = 1.25, and a factor of safety equal to or greater than 1.1 is appro-
priate. The pulley rotational axes are parallel and in the horizontal plane. The shafts
are 8 ft apart. The 6-in driving pulley rotates at 1750 rev/min in such a way that the
loose side is on top. The driven pulley is 18 in in diameter. See Fig. 17–10. The fac-
tor of safety is for unquantifiable exigencies.
(a) Estimate the centrifugal tension F. and the torque T.
(b) Estimate the allowable F1, F2, F; and allowable power Ha.
(c) Estimate the factor of safety. Is it satisfactory?
1750 rpm
Belt 6 in x 0.130 in
15 hp
6 in
18 in
Ibf
y = 0.042
in3
96 in

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