The steel shaft is made from two segments: AC has a diameter of 0.5 in., and CB has a diameter of 1 in. The shaft is fixed at its ends A and B and subjected to a torque of 500 lb-ft. G = 10.8(10³) ksi. (Figure 1) Determine the maximum shear stress in the shaft
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- 12. A horizontal shaft AD supported in bearings at A and B and carrying pulleys at C and D is to transmit 75 kW at 500 r.p.m. from drive pulley D to off-take pulley C, as shown in Fig. 14.18. P₁ A IPE -P₂ -600 600- 300- 9₂ All dimensions in mm. Fig. 14.18 Calculate the diameter of shaft. The data given is: P,-2 P, (both horizontal), Q, 2 Q₂ (both vertical), radius of pulley C-220 mm, radius of pulley D 160 mm, allowable shear stress - 45 MPa. [Ans. 100 mm]The copper shaft is hollow from A to B and the steel shaft is solid from B to C. The shaft has an outer diameter of 100 mm, and the thickness of the wall of the hollow segment is 20 mm, take Gst = 100 GPa. & Gcopp. = 60 GPa. The angel of twist of B is %3D steel 8 KN.m Copper 5 KN.m 3 m a. 0.076 Rad b. 0.053 Rad C. 0.0292 Rad d. 0.0175 Rad100 kip 10 kip ft The 4-in. diameter shaft shown above is made from a ductile brass alloy. Which of the following are closest to the principal stresses in the shaft? 01 = 31.8 ksi 02 = 76.4 ksi = 94.0 ksi 02 = -62.1 ksi O0g - 14.3 ksi 02 = -6.37 ksi Oo= 7.96 ksi 02 = 9.55 ksi
- 03: A shaft carrying three loaded pulleys with stepped diameters as shown. The modulus of rigidity for the shaft is (G-28GPA) and the shaft segments have the same lengths 48N.m (AB-BC-CD-30Cm). Determinc the following: GON.m 144N,m 1- Maximum shearing stress in the shaft CD. 2- The angle of twist of the pulley A relative to B.A shaft required to transmit 50kW of power will be running at 100rev/min. The maximum twist in 3m length of the shaft is limited to 1.5 degree. If the maximum torque is 30 percent more than mean or average torque. Assume entirely elastic action and take modulus of rigidity for the shaft material G = 135 GN/?2. Determine the following:a. Diameter of the shaft.b. Maximum shear stress developed in the shaft. I need answer ASAP. Thank you!The sbaft shown overhangs a bearing on the right and has the following dimensions: a - 5 in., b - 4 in., and - 10 in. The material is AISI C1040. annealed. This shaft is subjected to a torque T 10,000 in-lb., forces F - 10,000 lb. and F, 20,000 lb. Using a atatio-design approach, determine the diameter D for N 2.5, with eomputa- %3D Answer: a) Dia. = _inches %3D %3D %3D tions from the maximum shear stress theory. Note: Use Sy = 48,000 psi F2 N M
- A pipe with an outside diameter of 55 in. and an inside diameter of 5.067 in. is subjected to an axial force of P,-660 lIb, a horizontal force of P,-1520 lb, and a concentrated torque of T-2770 lb-in, acting in the directions shown. Assume a- 29 in. Section properties for the pipe are A-35936 in2, J-25.1213 in.", and I,-1,-12.5606 in.. Determine the normal and shear stresses at point K, and show these stresses on a stress element K T. Answer: psi Ty" psiH.w: Find the diameter of a Solid shaft stel (1060 AISI) to transmit pocerof 20 Kw at 200 Y-p-m. IF a hu llocu shaft is to be used in place the Sulid shaft , Design the inside and ouside diameter ahen K= dildo= 0-6 . Take Fs=4. Moter Ans. d=48 m 5 do=50 mm; di=30mThe solid steel shaft is supported by the frictionless customer on D and E. This system The mile provided 5 kW of power in w dev / second and was connected to a motor at C. wwww ww www ww ww www wwwm www w A and B If gears get primary 2 kW and 3 kW, determine the minimum shaft diameter. w rotation speed and The safety shear stress is known and is included in the table below. pictures. wwww ww wwwwwwwww www wwwwww wwwwwwww wwwwwwwww w(cycle/second) = 100 tem(Mpa) = 40 3 kW 5 kW 2 kW A D B E C _
- Q2: A rotating steel shaft shown: carried by bearings A and E. Machined surface, Sut = 500 MPa, reliability is 90%, r=3 mm. What is the life of the shaft if design factor 3? 100 100 -300 15 kN -200 A 300 3r- в с -3r L350 E 450The copper shaft is subjected to the axial loads shown. (Figure 1) Figure 8 kip A 80 in. 5 kip 5 kip B -150 in.- -100 in.- 2 kip C 2 kip D 6 kip Part A Determine the displacement of end A with respect to end D if the diameters of each segment are dAB = 0.85 in., dpc = 0.9 in., and dcp = 0.55 in. Take Ecu = 18(10³) ksi. Express your answer to three significant figures and include the appropriate units. SA/D = Value Submit HÅ Provide Feedback 3 Request Answer Units www. ?This engine is used in a hoist. Motor 2.5 kWwith the help of gears with a power of and n = 500 rpm.transmits. If the shear strength of the AB shaft is τa = 160 MPa;a) Find the diameter of AB shaft with 1.4 times safety.b) Find the maximum force F the engine can carry.