A solid and hollow shaft, connected by a coupling, transmit power. The outside diameters of the...

A solid and hollow shaft, connected by a coupling, transmit power. The outside diameters of the shafts are the same and the inside diameter of the hollow shaft is 75% of its outside diameter. The solid shaft is three times as long as the hollow shaft. Take the modulus of rigidity for both shafts as 80 GPa. (a) If the angle of twist for the solid shaft is 1 degree, find the angle of twist for the hollow shaft. (b) If the maximum shear stress for the solid shaft is 30 MPa, find the maximum stress in the hollow shaft.

Expert Solution

samet mamat answered 2 years ago

a. A shaft is used to transmit power. What does this mean? b. Explain the general...

a. A shaft is used to transmit power. What does this mean? b. Explain the general process of choosing a material for a shaft. c. Discuss the considerations that must be made when selecting the layout of a shaft.

A power train application requires the coupling of a spur gear to a transmission shaft operating...

A power train application requires the coupling of a spur gear to a transmission shaft operating at 3600RPM. The coupling must sustain a mean torque loading of 215Nm. There is a 20% torque ripple introduced to the drive line from the load. Select and design a coupling system using either a keyed coupling or an interference coupling such that the section of the transmission shaft at that location is minimized. Assume that the gear is located at the midpoint of...

A vertical composite rod made up from a solid part connected in series with a hollow...

A vertical composite rod made up from a solid part connected in series with a hollow part is fixed at its top end and has a collar attached at the lower end. The following data is average  solid rod length 320 mm;  solid rod diameter 50 mm;  hollow rod length 280 mm;  hollow rod diameters 50 mm and 28 mm; Draw a neat sketch of the arrangement and for an applied load of 1,5 kN calculate:...

1.Answer the following questions. a)A solid shaft transmits 75kW power at 200rpm.Determine the diameter of the...

1.Answer the following questions. a)A solid shaft transmits 75kW power at 200rpm.Determine the diameter of the shaft if the twist in the shaft is not exceeded 10 in 1m length of the shaft, and shear stress is limited to 50N/mm^2. Take rigidity modulus, G=100kN/mm^2 b)A hollow shaft with a diameter ratio of 0.7(internal outside) is required to transmit 500kW at 300 rpm with a uniform twisting moment. Allowable shear stress in the material is 70N/mm^2 and twist in a length...

A hollow sphere, a solid cylinder, and a hollow cylinder are all released from rest at...

A hollow sphere, a solid cylinder, and a hollow cylinder are all released from rest at the top of a ramp. Which object reaches the bottom of the ramp first? (a) The hollow sphere (b) The solid cylinder (c) The hollow cylinder (d) They all reach the bottom of the ramp at the same time A hollow sphere, a solid cylinder, and a hollow cylinder are all released from rest at the top of a ramp. Which object has the...

Rotational Inertia –Rolling Kinetic Energy. A solid sphere, a hollow sphere, a hollow cylinder, and a...

Rotational Inertia –Rolling Kinetic Energy. A solid sphere, a hollow sphere, a hollow cylinder, and a solid cylinder, all of with same mass (M=0.25 kg ) and radius(R= 0.20 m) – are placed at the top of an incline at height (h= 1.5 m ). All the objects are released from rest at the same moment to roll down without slipping. Hint: search for the rotational inertia formula for each of the rolling object first. Then calculate each of them...

A solid cylinder, a thin hollow cylinder (with circular cross-section), and a thick hollow cylinder (with...

A solid cylinder, a thin hollow cylinder (with circular cross-section), and a thick hollow cylinder (with a donut cross section), of equal masses radii, are simultaneously released from rest at the top of an inclined plane and roll without slipping down the plane. Which object reaches the bottom of the inclined plane first? A) The solid cylinder B) The thin hollow cylinder C) The thick hollow cylinder D) All objects reach the bottom at the same time Please provide explanation.

A solid sphere of radius R, a solid cylinder of radius R, and a hollow cylinder...

A solid sphere of radius R, a solid cylinder of radius R, and a hollow cylinder of radius R all have the same mass, and all three are rotating with the same angular velocity. The sphere is rotating around an axis through its center, and each cylinder is rotating around its symmetry axis. Which one has the greatest rotational kinetic energy? both cylinders have the same rotational kinetic energy the solid cylinder the solid sphere they all have the same...

A steel shaft is to be manufactured either as a solid circular bar or as a...

A steel shaft is to be manufactured either as a solid circular bar or as a circular tube. The shaft is required to transmit a torque of 1200 N_m without exceeding an allowable shear stress of 40 MPa nor an allowable rate of twist of0.75°/m. (The shear modulus of elasticity of the steel is 78 GPa.). Determine the required outer diameter do of the solid shaft [58.8 mm] Determine the required diameter d2of the hollow shaft if thethickness t of...

HW Problem 5: A 150 kW motor drives a hollow round shaft at 1,200 rpm. The...

HW Problem 5: A 150 kW motor drives a hollow round shaft at 1,200 rpm. The outer diameter of the shaft is 100-mm and the inner diameter is 0.95*outer diameter. It is made of AISI 1050 WQ&T at 425- deg C. (a) Look online or the book and explain briefly what “WQ&T” in the material designation stand for, and how it is different than OQ&T. Which is stronger at the specified temperature? (b) Determine the maximum torsional shear stress (Tau...

Question