Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
6th Edition
ISBN: 9780134441184
Author: Robert L. Mott, Edward M. Vavrek, Jyhwen Wang
Publisher: PEARSON
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Chapter 5, Problem 44P
Compute the torsional shear stress in a circular shaft 0.40 in in diameter that is due to a steady torque of
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A steel shaft is transmitting 55 hp at 1200
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A shaft of diameter d is guided in rotation at A (bearing 1) and C (bearing 2) and carries two wheels supporting the indicated loads, The radius of wheel B is 200 mm, and of wheel D is 100mm. The shaft is made of steel. F2 = 6000 N. Dimensions are in mm.
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Chapter 5 Solutions
Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
Ch. 5 - A link in a mechanism is made from a round bar...Ch. 5 - A link in a packaging machine mechanism has a...Ch. 5 - A cantilevered boom is part of an assembly machine...Ch. 5 - For Problems1014, use the method outlined in...Ch. 5 - For Problems1014, use the method outlined in...Ch. 5 - Figure P524shows a hydraulic cylinder that pushes...Ch. 5 - The shaft shown in Figure P528is supported by...Ch. 5 - An aluminum rod, made from alloy 6061-T6, is made...Ch. 5 - A circular bar of SAE 4140 OQT 1000 steel steps...Ch. 5 - Compute the torsional shear stress in a circular...
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- 4. A tube composed of a wrought aluminum alloy 6061-T6 is designed to transmit a torque in a control mechanism; however the compressive stress in the tube must not exceed 7000 psi to prevent the tube from buckling. The tube has an outside diameter of 1.25 in., a wall thickness of 0.065 in. and total length of 2.0 ft. Find the maximum torque which can be applied and the angle of twist over the length of the tube at the maximum torque.arrow_forwardBearing stress 4. Please provide proper discussion and illustration also complete solution and clear solution please thank you Determine the length of a square key to be used for a 3.73 kW, 1800 rpm electric motor if the motor shaft diameter is 35 mm and the width of the key is approximately one-fourth of the shaft diameter. The allowable shearing stress on the key is 2.45 MPaarrow_forwardA uniform shaft of diameter 30 mm is subject to a 60 N of tangential force. Calculate the shear stress induced in the shaft.arrow_forward
- A shaft with a diameter d = 25 mm must transfer a torque of 23 Nm by using a key joint. The key has the following standard dimensions: b x h x l = 8 mm x 7 mm x 18 mm. Calculate the stresses.arrow_forward2. Solve the following problem Two designs for a shaft are being considered. Both have an outside diameter of 70 m and are 900 mm long. One is solid but the other is hollow with an internal diameter of 50 mm. Both are made from steel (G=120 GPa). Critically evaluate and compare the torsional shear stress, angle of twist of the two designs if they are subjected to a torque ofT 171N.m the missing Torque 171(T).arrow_forwardTwo designs for shaft are being considered. Both have an outside diameter of 60 mm and are 500 mm long. One is solid but the other is hallow with an inside diameter of 40 mm, both are made from steel ( G=80 GPa). Compare the torsional shear stress, and the mass of the two designs if they are subjected to a torque of 71 N.m.arrow_forward
- The figure below is a schematic drawing of a shaft that supports two V-belt pulleys. The loose belt tension on the pulley at A is 15% of the tension on the tight side. The shaft material has a yield strength of 300 MPa and an ultimate tensile strength of 520 MPa. Calculate the shaft diameter.arrow_forwardA shaft is designed to transmit power of 100 kW at 180 rpm. The allowable shear stress is 50MPa and modulus of rigidity of 80 GPa. The angle of twist is not to exceed to 1° in 4-meter length A. Calculate the diameter of the shaft in inches. B.If the shaft in A is to be fitted to a hub with material SAE 0105 and fit classification of FN3, what will be the maximum and minimum stresses based on the interference of metal.arrow_forward4) Ball bearings support the rotating axle shown below at points A and D. The rotating axle is loaded by a stationary (non-rotating) force of F = 6.8 kN. In the drawing below, all dimensions are in mm, and all geometry changes (steps in the diameter shaft) have a fillet radius of 3 mm. The axle is machined from AISI cold-drawn steel with an ultimate strength of S_u = 690 MPa and a yield strength of S_y= 580 MPa. Calculate the safety factor at the 6.8 kN load and points B and C, which experience moderate bending moments with a geometric feature that causes a stress concentration. Determine the number of cycles to failure of this part. 30 -10 -250 32 B 6.8 KN 75 -38 100- с 125 10 35 D 30arrow_forward
- 3. A steel shaft 60 in. long has applied to it a 10,000 in-lb torque by a pulley located at the center of the shaft. A gear at the left end of the shaft applies 8000 in-lb of torque to the shaft while a gear located 9 in. to the left of the right end of the shaft applies 2000 in-lb of torque. Calculate the angular deflection of the shaft if the shaft is 2 in. in diameter for a length of 36 in. from the left end of the shaft and 1.5 in. in diameter in the remainder of the shaft. Neglect the effect of the keyways in the calculations. Ans. 0.424oarrow_forwardA 1.5 in diameter 10-spline shaft and permanent fit has a compressive force of 2000 lbs. Find the torque applied if hub length 2 in.arrow_forwardA solid shaft 100 mm in diameter is subjected to an axial compressive load of 600 kN simultaneously with a torque that twists the shaft thru an angle of 1.5 degrees in the length of 8 meters. If G=80Gpa, compute the maximum normal stress in the shaft. This is a COMBINED STRESS problem. Please include drawings of the circle.arrow_forward
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