Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
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Chapter 6, Problem 14P
A rectangular bar is cut from an AISI 1020 cold-drawn steel flat. The bar is 2.5 in wide by
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Produced from xCy steel material by machining method, the shaft is bedded at C and D points. With the shaft, constant Fy= 870 N forces in the vertical direction and constant Fx= 4,7 kN forces in the axial direction, which do not rotate together. The tensile strength of the shaft material is (sigma)tensile = 670 MPa and the yield strength is (sigma)yield = 470 MPa. For 50% reliability, analyze the fatigue damage condition of the shaft sections A and B separately.
Note: Take SI unit and make the solutions legit and clear please
Produced from xCy steel material by machining method, the shaft is bedded at C and D points. With the shaft, constant Fy= 830 N forces in the vertical direction and constant Fx= 4,3 kN forces in the axial direction, which do not rotate together. The tensile strength of the shaft material is (sigma)tensile = 630 MPa and the yield strength is (sigma)yield = 430 MPa. For 50% reliability, analyze the fatigue damage condition of the shaft sections A and B separately.Question: How do we apply a tensile force to a part supported on both sides?Answer: We think that one of the bearings is a bearing that allows axial movement.(Take SI unit and make the solutions legit and clear please. I need an answer even though it doesn't reach a clear solution.)
A bar of circular cross-section is subjected to alternating tensile forces varying from a minimum of 200 kN to a maximum of 500 kN. It is to be manufactured of a material with an ultimate tensile strength of 900 MPa and an endurance limit of 700 MPa. Determine the diameter of bar using safety factors of 3.5 related to ultimate tensile strength and 4 related to endurance limit and a stress concentration factor of 1.65 for fatigue load. Use Goodman straight line as basis for design.” [1]
Chapter 6 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Ch. 6 - A 10-mm steel drill rod was heat-treated and...Ch. 6 - Prob. 2PCh. 6 - A steel rotating-beam test specimen has an...Ch. 6 - A steel rotating-beam test specimen has an...Ch. 6 - A steel rotating-beam test specimen has an...Ch. 6 - Repeat Prob. 6-5 with the specimen having an...Ch. 6 - A steel rotating-beam test specimen has an...Ch. 6 - Derive Eq. (6-17). Rearrange the equation to solve...Ch. 6 - For the interval 103 N 106 cycles, develop an...Ch. 6 - Estimate the endurance strength of a...
Ch. 6 - Two steels are being considered for manufacture of...Ch. 6 - A 1-in-diamctcr solid round bar has a groove...Ch. 6 - A solid square rod is cantilevered at one end. The...Ch. 6 - A rectangular bar is cut from an AISI 1020...Ch. 6 - A solid round bar with diameter of 2 in has a...Ch. 6 - The rotating shaft shown in the figure is machined...Ch. 6 - The shaft shown in the figure is machined from...Ch. 6 - Solve Prob. 6-17 except with forces F1 = 1200 lbf...Ch. 6 - Bearing reactions R1 and R2 are exerted on the...Ch. 6 - A bar of steel has the minimum properties Se = 40...Ch. 6 - Repeat Prob. 6-20 but with a steady torsional...Ch. 6 - Repeat Prob. 6-20 but with a steady torsional...Ch. 6 - Repeat Prob. 6-20 but with an alternating...Ch. 6 - A bar of steel has the minimum properties Se = 40...Ch. 6 - The cold-drawn AISI KUO steel bar shown in the...Ch. 6 - Repeat Prob. 6-25 for a load that fluctuates from...Ch. 6 - An M14 2 hex-head bolt with a nut is used to...Ch. 6 - The figure shows a formed round-wire cantilever...Ch. 6 - The figure is a drawing of a 4- by 20-mm latching...Ch. 6 - The figure shows the free-body diagram of a...Ch. 6 - Solve Prob. 6-30 except let w1 = 2.5 in. w2 = l.5...Ch. 6 - For the part in Prob. 630, recommend a fillet...Ch. 6 - Prob. 33PCh. 6 - Prob. 34PCh. 6 - A part is loaded with a combination of bending,...Ch. 6 - Repeat the requirements of Prob. 6-35 with the...Ch. 6 - 6-37 to 6-46For the problem specified in the build...Ch. 6 - 6-37 to 6-46For the problem specified in the build...Ch. 6 - 637 to 646 For the problem specified in the table,...Ch. 6 - For the problem specified in the table, build upon...Ch. 6 - 6-37 to 6-46 For the problem specified in the...Ch. 6 - 6-37 to 6-46 For the problem specified in the...Ch. 6 - 6-37 to 6-46 For the problem specified in the...Ch. 6 - Problem Number Original Problem, Page Number 637...Ch. 6 - 6-37 to 6-46 For the problem specified in the...Ch. 6 - 6-37 to 6-46 For the problem specified in the...Ch. 6 - 6-47 to 6-50 For the problem specified in the...Ch. 6 - 6-47 to 6-50 For the problem specified in the...Ch. 6 - Prob. 49PCh. 6 - Prob. 50PCh. 6 - 6-51 to 6-53 For the problem specified in the...Ch. 6 - 6-51 to 6-53 For the problem specified in the...Ch. 6 - 6-51 to 6-53 For the problem specified in the...Ch. 6 - Solve Prob. 6-17 except include a steady torque of...Ch. 6 - Solve Prob. 618 except include a steady torque of...Ch. 6 - In the figure shown, shaft A, made of AISI 1020...Ch. 6 - A schematic of a clutch-testing machine is shown....Ch. 6 - For the clutch of Prob. 657, the external load P...Ch. 6 - A flat leaf spring has fluctuating stress of max =...Ch. 6 - A rotating-beam specimen with an endurance limit...Ch. 6 - A machine part will be cycled at 350 MPa for 5...Ch. 6 - The material properties of a machine part are Sut...Ch. 6 - Repeat Prob. 662 using the Goodman criterion....
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The connecting rod in the figure is 10mm thick and manufactured from 8580M30 steel by cold drawing. The bar is threaded through the holes, loaded with fully variable load from the pins. Find the maximum load F to be applied to the part so that the part can have an indefinite life by looking at the appropriate figures for the stress concentrations that will occur due to the notch and drill hole.(Sut=600MPa,Sy=470Mpa)arrow_forwardExample 4 A bar of circular cross - section is subjected to alternating tensile forces varying from a minimum of 200 kN to a maximum of 500 kN. It is to be manufactured of a material with an ultimate tensile strength of 900 MPa and an endurance limit of 700 MPa. Determine the diameter of bar using safety factors of 3.5 related to ultimate tensile strength and 4 related to endurance limit and a stress concentration factor of 1.65 for fatigue load. Use Goodman straight line as basis for design.arrow_forwardThe round cross-sectional bar shown below is cut from a steel with a diameter of 34 mm and has the following properties (Sut = 467 MPa, Sy = 384 MPa and fully corrected Se =179 MPa). The bar is loaded at its end with a fluctuating bending load ranges from Fmin = -423 N to Fmax = 832 N. Using a design factor of nd = 1.1, what will be the maximum length of the bar that prevents failure using Modified Goodman criteria?arrow_forward
- Produced from xCy steel material by machining method, the shaft is bedded at C and D points. With the shaft, constant Fy= 870 N forces in the vertical direction and constant Fx= 4,7 kN forces in the axial direction, which do not rotate together. The tensile strength of the shaft material is (sigma)tensile = 670 MPa and the yield strength is (sigma)yield = 470 MPa. For 50% reliability, analyze the fatigue damage condition of the shaft sections A and B separately.arrow_forwardThe round cross-sectional bar is cut from an AISI 1020 colddrawn steel with a diameter of 25 mm. The bar is loaded at its end with a completely reversed load Fmin = 5 kN, Fmax = -3 kN. Using a design factor of nd = 1.2, what will be the maximum length of the bar that prevents failure using Modified Goodman criteria? What length must be used if a more conservative criteria is used?arrow_forwardA 2" diameter shaft with a radial hole of 0.5" dia. is made of steel whose BHN=186. What is its fatigue-strength reduction factor if the shaft is to be subjected to pure torsion?arrow_forward
- The round cross-sectional bar shown below is cut from a steel with a diameter of 36 mm and has the following properties (Sut = 479 MPa, Sy = 389 MPa and fully corrected Se =177 MPa). The bar is loaded at its end with a fluctuating bending load ranges from Fmin = -423 N to Fmax = 850 N. Using a design factor of nd = 1.2, what will be the maximum length of the bar that prevents failure using Modified Goodman criteria? * your answer must be in mm. * accepted answer range (+/- 5 mm)arrow_forwardIn the diagram below shows a circula bar , made of AISI 1040 OQT 1300 steel (SU = 600 MPa), is loaded with an axial tensile loading P. Find the modified endurance strength (SE) and the modified fatigue strength (SF) for the bar if D = 36 mm, d = 30 mm, and r = 2.4 mm. Use the number of cycles tofracture to be 5 × 105. Assume that the surface finish factor, kf, is 0.85, the size factor, kS, is 0.85, and the notch sensitivity factor, qn, is 0.75. Use the following equations if needed,arrow_forwardThe shaft shown in the figure is machined from AISI 1040 CD steel. The shaft rotates at 1600 rpm and is supported in rolling bearings at A and B. The applied forces are F1 = 1600 lbf and F2 = 640 lbf. A steady torque of 1600 lbf·in is being transmitted through the shaft between the points of application of the forces. ——————————————- Determine the endurance limit for this material as well as the value after correction for surface finish, sizing, and loading. (You must provide an answer before moving to the next part.) The endurance limit for this material is kpsi. The value after correction for surface finish, sizing, and loading is kpsi.arrow_forward
- A rectangular bar is cut from an AISI 1018 cold-drawn steel flat. The bar is 1 in wide by 3/8 in thick and has a ¼ in-diameter hole drilled through the center. The bar is subjected to a tension load fluctuating between 800 and 3000 lb. estimate the factors of safety guarding against failure by yielding and by fatigue action. (Assume infinite life is desire)arrow_forwardA steel plate is subjected to a constant amplitude uniaxial fatigue loads to produce stresses, max = 180 MPa and min = -40 MPa. The static properties of the steel are YS= 500 MPa, UTS= 600 MPa, E= 207 GPa and Kc= 100 MPa-m1/2 . If the plate contains an initial through the thickness edge crack of 0.5 mm how many fatigue cycles will be required to break the plate. Please state any assumptions you make.arrow_forwardA cap screw, ¾ in.-10-UNC-2, with a hexagonal head that is 9/16 in. thick, carries a tensile load of 3000 lb. If the material is AISI 1015, cold drawn, find the factor of safety based on ultimate strengths of a.the threaded shank, b.the head against being sheared off, and c.the bearing surface under the head. d.Is there any need to consider the strength of standard cap-screw heads in design?arrow_forward
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