Two short shafts having identical diameters of 38.0 mm. and rotating at 400 RPM transmitted 26.5 kW are connected by a flange coupling having 4 bolts along 100 mm. bolt circle diameter. The allowable shearing stress is 12 MPa and the allowable compressive stress of the flange is 15 MPa. Draw the figure and determine the following; 1. The force applied in each bolt (in N) 2. The diameter of the bolt (in mm.) 3. The thickness of the flange (in mm.)

Two short shafts having identical diameters of 38.0 mm. and rotating at 400 RPM transmitted 26.5 kW are connected by a flange coupling having 4 bolts along 100 mm. bolt circle diameter. The allowable shearing stress is 12 MPa and the allowable compressive stress of the flange is 15 MPa. Draw the figure and determine the following; 1. The force applied in each bolt (in N) 2. The diameter of the bolt (in mm.) 3. The thickness of the flange (in mm.)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.12P

See similar textbooks

Similar questions

A flanged bolt coupling consists of six - ½ inch steel bolts evenly spaced around a bolt circle of 12 inch in diameter, and four – ¾ inch aluminum bolts on a concentric bolt circle 8 inches in diameter. With an applied torque of 200 inches determine the max shearing stress in the aluminum and steel bolt. Use Gst = 12x10 6 psi and Gal = 4x106 psi
A solid shaft in a rolling mill transmits 30 hp at 100 rpm. Find the diameter in mm of the shaft so as not to exceed a shearing stress of 42 MPa and an angle of twist of more than 5 degrees in a length of 3 meters. G = 83 GPa
A flange bolt coupling is used to connect a solid shaft 90 mm in diameter to a hollow shaft 100 mm in outside diameter and 90 mm in inside diameter. If the allowable shearing stress in the shafts and the bolts is 60 MN/m2, how many 10-mm diameter steel bolts must be used on a 200-mm diameter bolt circle so that the coupling will be as strong as the weaker shaft?
A figure below is a 200-mm diameter pulley which was attached on a 60-mm diameter shaft and it applies a torque to the shaft equivalent to 2.2 kN-m. The allowable shearing stress in the key is 70 MPa. If the length of a key is 70 mm, determine the designed width of the key. 12 mm 14 16 15 mm.
A 1.5-inch Monel shaft is used in a torsional application. Based on the operating speed of 100 rpm and factor of safety of 12. How much horsepower can it transmit? Assume the shearing stress is ¾ of the ultimate tensile stress which is 100 ksi.
A flanged bolt coupling is used to connect a solid shaft 94 mm in diameter to a hollow shaft 100 mm in outside and 94 mm in inside diameter. If the allowable shearing stress in the shafts and the bolts is 63 MPa, how many 10-mm-diameter steel bolts must be used on a 190-mm- diameter bolt circle coupling so that the coupling will be as strong as the weaker shaft?
A hollow steel (G = 12,000 ksi) shaft has diameters of 6 in. and 4 in. and an allowable shearing stress of 9,000 psi. Determine the required number of 3⁄4-in diameter bolts for a flange coupling in which two-thirds of the bolts are on a 12-in diameter bolt circle and one-third are on a 9-in diameter circle. The allowable shearing stress in the bolts is 12,000 psi.
Consider a solid shaft of 1.4-in. diameter. Determine the maximum shearing stress in the shaft as it transmits 66 hp at a speed of 810 rpm. The maximum shearing stress in the shaft is _____ ksi.
A shaft is 21/2 in. square, and the allowable shearing unit stress for the material is 6000 psi. The torque on the shaft is A. 27,600 in B 20,800 in C. 31,200 in D. 24,100 in
Calculate the unit shearing stress at the inner surface of a hollow shaft which D = 150 mm and d = 80 mm due to a torque of 30 kN-m. A)26.3 MPa B)33.6 MPa C)20.4 MPa D)18.4 MPa
A solid shaft is to transmit 22kW at 110 rpm. Determine the diameter of the shaft if the shearing stress is not exceed 35 MPa and the angle of twist is limited to 5 degrees in a length of 4m. Use G=86 GPa.
A flanged bolt coupling is used to connect a solid shaft 110 mm in diameter to a hollow shaft 100 mm in outside diameter and 90 mm in inside diameter. If the allowable shearing stress in the shafts and in the bolts is 55 MPa, how many 11 mm-diameter steel bolts must be used on a 300 mm-diameter bolt circle so that the coupling will be as strong as the weaker shaft? This is an exception to our two decimal rule -- so our answer here must be rounded to the NEXT whole number.