Two shafts made of plain carbon steel are connected by a rigid protective type flange coupling. The shafts are running at 500 rpm. and transmit 25 kW power. Design the coupling completely for overload capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components: a. Shaft — Permissible tensile stress = 60 MPa; Permissible shear stress = 35 MPa b. Keys — Rectangular formed end sunk key having permissible compressive strength = 60 MPa c. Bolts — Six numbers made of steel having permissible shear stress = 28 MPa d. Flanges — Cast iron having permissible shear stress = 12 MPa
Two shafts made of plain carbon steel are connected by a rigid protective type flange coupling. The shafts are running at 500 rpm. and transmit 25 kW power. Design the coupling completely for overload capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components: a. Shaft — Permissible tensile stress = 60 MPa; Permissible shear stress = 35 MPa b. Keys — Rectangular formed end sunk key having permissible compressive strength = 60 MPa c. Bolts — Six numbers made of steel having permissible shear stress = 28 MPa d. Flanges — Cast iron having permissible shear stress = 12 MPa
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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Two shafts made of plain carbon steel are connected by a rigid protective type flange
coupling. The shafts are running at 500 rpm. and transmit 25 kW power. Design the
coupling completely for overload capacity 25 per cent in excess of mean transmitted
torque capacity. Assume the following permissible stresses for the coupling
components:
a. Shaft — Permissible tensile stress = 60 MPa; Permissible shear stress = 35 MPa
b. Keys — Rectangular formed end sunk key having permissible compressive
strength = 60 MPa
c. Bolts — Six numbers made of steel having permissible shear stress = 28 MPa
d. Flanges — Cast iron having permissible shear stress = 12 MPa
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