4.14D Select a diameter of a steel driveshaft that transmits 250 hp at 5000 rpm. Bending...
- 4.14D Select a diameter of a steel driveshaft
that transmits 250 hp at 5000 rpm. Bending and axial loads are
negligible.
- What is the nominal shear stress at the surface?
- If a hollow shaft of inside diameter 0.9 times outside diameter is used, what outside diameter would be required to give the same outer surface stress?
- How do the weights of the solid and hollow shafts compare?
Homework Answers
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4.14D Select a diameter of a steel driveshaft
that transmits 250 hp at 5000 rpm. Bending...
Select a diameter of a steel driveshaft that transmits 250 hp at 5000 rpm. Bending and...
Select a diameter of a steel driveshaft that transmits 250 hp at 5000 rpm. Bending and axial load are negligible. Note: Select the diameter as 3 inches What is the nominal shear stress at the surface? If a hollow shaft of inside diameter 0.9 times outside diameter is used, what outside diameter would be required to give the same outer-surface stress? How do the weights of the solid and hollow shaft compare? Rotation unknown diameter 250 hp, n = 5000...
A hollow shaft 36 inches long transmits 110 HP at 1300 rpm. The shaft is made...
A hollow shaft 36 inches long transmits 110 HP at 1300 rpm. The shaft is made out of steel with a modulus of rigidity of 11000 ksi. The shaft has an allowable sear stress of 12 ksi and an allowable angle of twist of 2.5 degrees over the 36 inches length. The inside diameter of the shaft is 0.65 that of the outside diameter of the shaft. Determine: a) the required inside and outside diameter of the shaft based on...
Need help answering A & B .. Question # 1: A 1.5" diameter solid shaft transmits...
Need help answering A & B ..
Question # 1: A 1.5" diameter solid shaft transmits 250 hp at 1500 rpm. Consider only torque load. un i a) Estimate the maximum shear stress in the shaft. If a hollow shaft of inside diameter 0.8 times outside diameter is used, what outside diameter would be required to give the same maximum shear stress as in a) b) dlo
A hollow shaft is to transmit 20 kW at 300 rpm. The loading is such that...
A hollow shaft is to transmit 20 kW at 300 rpm. The loading is such that a maximum bending moment of 1000 Nm is induced in the shaft, together with an additional axial thrust of 15 kN. The shaft is supported on bearings 1500 mm apart. The values of shock and fatigue factors in torsion and bending (Kt and Kb) are 1.25 and 1.75 respectively. The inside diameter is 0.8 times the outside diameter. Determine the outer diameter of the...
A 6061-T6 aluminum pulley transmits 75 hp at 1,750 rpm. The shaft is 1% inches in diameter and is...
A 6061-T6 aluminum pulley transmits 75 hp at 1,750 rpm. The shaft is 1% inches in diameter and is made from cold-drawn 1040 steel. The key is to be made from cold-drawn 1020 steel. For a safety fac- tor of 3, compute the required square key length for both shear and compression
A 6061-T6 aluminum pulley transmits 75 hp at 1,750 rpm. The shaft is 1% inches in diameter and is made from cold-drawn 1040 steel. The key is to...
Section 2. Problem 6 (25 pts.) A hollow shaft 36 inches long tranmits 125 HP at...
Section 2. Problem 6 (25 pts.) A hollow shaft 36 inches long tranmits 125 HP at 1100 rpm. The shaft is made out of steel with a modulus of rigidity of 11000 ksi. The shaft has an allowable sear stress of 12 ksi and an allowable angle of twist of 2.5 degreees over the 36 inche length. The inside diameter of the shaft is 0.6 that of the outside diameter of the shaft. Determine: a) the required inside and outside...
6 Section 2. Problem 6 (25 pts. A hollow shaft 36 inches long tranmits 105 HP...
6 Section 2. Problem 6 (25 pts. A hollow shaft 36 inches long tranmits 105 HP at 1250 rpm. The shaft is made out of steel with a modulus of rigidity of 11000 ksi. The shaft has an allowable sear stress of 12 ksi and an allowable angle of twist of 2.5 degreees over the 36 Inche length. The inside diameter of the shaft is 0.8 that of the outside diameter of the shaft. Determine: a) the required inside and...
A hollow shaft 200mm external diameter and 120mm internal diameter transmits 1800Kw at 180rev/min. Calculate the...
A hollow shaft 200mm external diameter and 120mm internal diameter transmits 1800Kw at 180rev/min. Calculate the shear stress at the inner and outer surface of the shaft and the angle of twist on a length of 5m. G=80 000N/mm^2.
A hollow circular steel shaft has a 100-mm outside diameter and a 75-mm inside diameter. Calculate...
A hollow circular steel shaft has a 100-mm outside diameter and a 75-mm inside diameter. Calculate the allowable torque that can be transmitted if the allowable shear stress is 62 MPa. When the allowable torque is applied, calculate the shear stress at the inner surface of the shaft.
1. A motor delivers 120 hp at 250 rpm to a radial pump through a flanged...
1. A motor delivers 120 hp at 250 rpm to a radial pump through a flanged coupling mounted on a 0.375-inch diameter steel shaft. The pump is mounted on a 0.3125-inch diameter steel shaft and the two shafts are connected by flanged couplings. The flanges are connected using 2.000-inch long, 0.25-inch diameter, SAE Grade 4 steel bolts, equally spaced along a 3.5-inch diameter bolt circle. The coupling flanges are 4 inches in diameter and 0.75 inch thick. The bolts are...
Select a diameter of a steel driveshaft that transmits 250 hp at 5000 rpm. Bending and axial load are negligible. Note: Select the diameter as 3 inches What is the nominal shear stress at the surface? If a hollow shaft of inside diameter 0.9 times outside diameter is used, what outside diameter would be required to give the same outer-surface stress? How do the weights of the solid and hollow shaft compare? Rotation unknown diameter 250 hp, n = 5000...
Need help answering A & B ..
Question # 1: A 1.5" diameter solid shaft transmits 250 hp at 1500 rpm. Consider only torque load. un i a) Estimate the maximum shear stress in the shaft. If a hollow shaft of inside diameter 0.8 times outside diameter is used, what outside diameter would be required to give the same maximum shear stress as in a) b) dlo
A 6061-T6 aluminum pulley transmits 75 hp at 1,750 rpm. The shaft is 1% inches in diameter and is made from cold-drawn 1040 steel. The key is to be made from cold-drawn 1020 steel. For a safety fac- tor of 3, compute the required square key length for both shear and compression
A 6061-T6 aluminum pulley transmits 75 hp at 1,750 rpm. The shaft is 1% inches in diameter and is made from cold-drawn 1040 steel. The key is to...
Section 2. Problem 6 (25 pts.) A hollow shaft 36 inches long tranmits 125 HP at 1100 rpm. The shaft is made out of steel with a modulus of rigidity of 11000 ksi. The shaft has an allowable sear stress of 12 ksi and an allowable angle of twist of 2.5 degreees over the 36 inche length. The inside diameter of the shaft is 0.6 that of the outside diameter of the shaft. Determine: a) the required inside and outside...
6 Section 2. Problem 6 (25 pts. A hollow shaft 36 inches long tranmits 105 HP at 1250 rpm. The shaft is made out of steel with a modulus of rigidity of 11000 ksi. The shaft has an allowable sear stress of 12 ksi and an allowable angle of twist of 2.5 degreees over the 36 Inche length. The inside diameter of the shaft is 0.8 that of the outside diameter of the shaft. Determine: a) the required inside and...
1. A motor delivers 120 hp at 250 rpm to a radial pump through a flanged coupling mounted on a 0.375-inch diameter steel shaft. The pump is mounted on a 0.3125-inch diameter steel shaft and the two shafts are connected by flanged couplings. The flanges are connected using 2.000-inch long, 0.25-inch diameter, SAE Grade 4 steel bolts, equally spaced along a 3.5-inch diameter bolt circle. The coupling flanges are 4 inches in diameter and 0.75 inch thick. The bolts are...
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