Problem 4: A rotary lawnmower blade rotates at 3500 rev/min. The steel blade has a uniform cross section in thick 8 by 1 in wide, and has a 2-in-diameter hole in the center as shown in the figure. Es...
Problem 4) The beam shown has a rectangular cross section 4 in. wide and 8 in. deep. Determine the maximum shear stress. 4800 lb 3600 lb 2 ft B 12 ft re to search о e 03
Problem 2 (see Figure) The solid circular cross-section rod has a diameter d=5/8 in and length L=7.5 in. The material is 6061-A aluminum alloy. The direction of the resultant of the 4 forces applied on the ring is straight up. For F1=200 lb, F2=250 lb and F3=350 lb, calculate the force F, and the stress, strain and elongation of the rod. Ę F F 36 2017
Problem 1 (25 Points) Two solid steel (6-80 GPa) shafts are connected by the gears shown. Shaft (1) has a diameter of 45 mm, and shaft (2) has an outside diameter of 55 mm and wall thickness 4 mm. Assume that the bearings shown allow free rotation of the shafts. If a 400 N-m torque is applied at gear D, determine (a) the maximum shear stress magnitudes in each shaft. (b) the angles of twist ф, and ф (c) the...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...