1-1. The shaft is supported by a smooth thrust bearing at B and a journal bearing at C. Determine the resultant internal loadings acting on the cross section at E.
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1–1. The shaft is supported by a smooth thrust bearing at B and a journal bearing at C. Determine the resultant internal loadings acting on the cross section at E.
Problem 1–1
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- Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.1-63.M. The key in Figure 1-18 has the dimensions b = 10 min, h = 8 nim, and L = 22 min. Determine the shear stress in the key when 95 N-m of torque is transferred from the 35-mm-diameter shaft to the hub. Hub End view Shear plane Shear pl T=Torque -D=Shaft diameter T=F(D/2) F₁-Force of shaf F₂= Force of hub on 1 Shear area=A,=bxLThe two solid steel shafts are connected by gears C and F and 9 in. 2,5 in. supported by smooth bearings at B, D, and E. The upper shaft is fixed at G. If the shear modulus is G = 11 x 10° ksi, determine the angle of rotation of end A when the torque of 700 lb - ft is аpplied. E 1.75 in. -3 in. 4 ft B 700 lb ft 5 ft
- Problem Statement Based on Problem 7-60 from the textbook. The shaft is supported by a smooth thrust bearing at A and a smooth journal bearing at B. Draw the shear and moment diagrams for the shaft. w = 295 lbs/# a= 5.5 ft A a W aProblem Statement Based on Problem 7-60 from the textbook. The shaft is supported by a smooth thrust bearing at A and a smooth journal bearing at B. Draw the shear and moment diagrams for the shaft. w=285 lbs/ft a=5.4ftThe beam is supported by a pin at point A and a roller at kN point B. A distributed load of W₁ = 8 - and an applied m force of F₁ = 12 kN are applied to the beam. The beam has an allowable bending stress of allow = 6 MPa. Neglect the weight and thickness of the beam. Take the origin for all functions to be at A., i.e. start at the left and go right. Must use positive sign convention for V and M. d3 1 d3 d1 W1 d1 B O h d2 F₁ Values for the figure are given in the following table. Note the figure may not be to scale. Dimensions for the whole beam Variable Value d₁ 4 m d₂ 2 m
- Determine the absolute maximum shear stress in the shaft of Problem3) If the maximum torsional shear stress for the shown circular shaft is 4000 psi, the torsional shear stress at the given radial coordinate is------psi. A-3200 C-zero B-5000 D-4000 r=5in p=4in +The axle of the freight train is subjected to loadings as shown below. The diameter of the axle is 137.5 mm. If it is supported by two journal bearings at C and D, determine the maximum bending stress. Include a FBD, SFD and BMD using either the section or graphical method. Draw a cross-section of the shaft and indicate the points of maximum tension and compression. A B 250 mm 100 kN 1500 mm- Answer 0= +98 MPa 250 mm 100 kN
- Determine the smallest allowable diameter of the shaft which is subjected to the concentrated forces. The journal bearing at A and B only support vertical forces. The allowable bending stress is σallow= 160 MPa Bearing A only receives forces in the radial direction of the bearing. Bearing B is a steering bearing and also carries longitudinal loads on the shaft. F1= 10kN F2=23 kN L1=420 mm L2= 310mm L3=540mmThe shaft shown below is supported by a thrust bearing at A and a journal bearing at B. Draw the shear and moment diagrams. (Supports are all fixed.) -12 ft- 120 lb/ft BDetermine the normal force, shear force and moment at point C and D. Express your answer in kilopounds to three significant figuresPlease give the final values of answer at last as well