A multiflex flexible coupling, transmitting 15 kW power at 720 rpm, is shown in Fig. 9.46. It consists of two flanges keyed to the driving and driven shafts and connected together by means of a mumber of coils. The coils are placed in the slots on the periphery of the flanges at a distance of 30 mm from the axes of the shafts. The coils have a rectangular cross-section 4 x 2 mm and are made of steel FeE 220 (S, = 220 N/mm²). The factor of safety is 2.5. Calculate the required number of coils.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A multiflex flexible coupling,
transmitting 15 kW power at 720 rpm, is shown
in Fig. 9.46. It consists of two flanges keyed to the
driving and driven shafts and connected together
by means of a mumber of coils. The coils are placed
in the slots on the periphery of the flanges at a
distance of 30 mm from the axes of the shafts. The
coils have a rectangular cross-section 4 x 2 mm
and are made of steel FeE 220 (S,1 = 220 N/mm?).
The factor of safety is 2.5. Calculate the required
number of coils.
Coil
Slots
Flanges
Fig. 9.46
Transcribed Image Text:A multiflex flexible coupling, transmitting 15 kW power at 720 rpm, is shown in Fig. 9.46. It consists of two flanges keyed to the driving and driven shafts and connected together by means of a mumber of coils. The coils are placed in the slots on the periphery of the flanges at a distance of 30 mm from the axes of the shafts. The coils have a rectangular cross-section 4 x 2 mm and are made of steel FeE 220 (S,1 = 220 N/mm?). The factor of safety is 2.5. Calculate the required number of coils. Coil Slots Flanges Fig. 9.46
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