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Advanced Physics
Two shafts made of plain carbon steel are connected by a rigid protective type flange coupling. The shafts are running at 500 r.p.m. and transmit 25 kW power. Design the coupling completely for over- load capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components: Shaft- Permissible tensile stress = 60 MPa; Permissible shear stress 35 MPa Keys- Rectangular formed end sunk key having permissible compressive strength= 60 MPa Bolts – Six numbers made of steel having permissible shear stress = 28 MPa Flanges - Cast iron having permissible shear stress = 12 MPa Draw two views of the coupling you have designed.

Two shafts made of plain carbon steel are connected by a rigid protective type flange coupling. The shafts are running at 500 r.p.m. and transmit 25 kW power. Design the coupling completely for over- load capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components: Shaft- Permissible tensile stress = 60 MPa; Permissible shear stress 35 MPa Keys- Rectangular formed end sunk key having permissible compressive strength= 60 MPa Bolts – Six numbers made of steel having permissible shear stress = 28 MPa Flanges - Cast iron having permissible shear stress = 12 MPa Draw two views of the coupling you have designed.

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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 r.p.m. and transmit 25 kW power. Design the coupling completely for over- load capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components : Shaft – Permissible tensile stress = 60 MPa; Permissible shear stress = 35 MPa Keys - Rectangular formed end sunk key having permissible compressive strength = 60 MPa Bolts – Six numbers made of steel having permissible shear stress 28 MPa Flanges – Cast iron having permissible shear stress = 12 MPa Draw two views of the coupling you have designed.
Transcribed Image Text:Two shafts made of plain carbon steel are connected by a rigid protective type flange coupling. The shafts are running at 500 r.p.m. and transmit 25 kW power. Design the coupling completely for over- load capacity 25 per cent in excess of mean transmitted torque capacity. Assume the following permissible stresses for the coupling components : Shaft – Permissible tensile stress = 60 MPa; Permissible shear stress = 35 MPa Keys - Rectangular formed end sunk key having permissible compressive strength = 60 MPa Bolts – Six numbers made of steel having permissible shear stress 28 MPa Flanges – Cast iron having permissible shear stress = 12 MPa Draw two views of the coupling you have designed.
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