8-69 The bolted connection shown inthe figure is subjected to a tensileshear load of 90 kN. The bolts are ISOclass 5.8 and the material is cold-drawn AISI 1015 steel. Find the factorof safety of the connection for allpossible modes of failure.T

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Answered: 8-69 The bolted connection shown in the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Required information A short cantilevered round peg made from AISI 1030 cold-drawn steel is 40 mm in diameter and extends 10 mm from the wall. It is loaded, as shown, with a force F= 50 kN applied at the tip in the negative z direction and a torque T=800 N-m. The cross section at the wall is also shown, with points of interest A, B, and C. 10 mm 92 The minimum factor of safety is 2.93 Cross section at the wall Evaluate the state of stress at points A, B, and C, determine the critical case, and evaluate the minimum factor of safety based on the distortion-energy theory.
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Problem 8-20. Calculate the deflection of the ring along the load line shown in Fig. 8-13 by taking E= 200 GN/m².
Mechanical design
2) The pillow block shown in Figure 2 is attached to the fixed plate by using two M20x1.5 ISO class 5.8 bolts. The member stiffness per bolt is given as km=3.5kb. The connection is assumed to be permanent. Determine the factor of safety values guarding against yielding, over load and joint seperation. 9 kN Rotating shaft Pillow block Metric (ISO) screw Figure 2
150- 18 F = 25 KN 25 200 25 + 25 € 100- -25 25 50 4 For the bracket and loading condition shown above, determine the smallest size Grade 8.8 metric bolt needed to hold the bracket in place that will still provide a minimum factor of safety of 2 versus the proof strength of the bolt. Assume coarse threads. Neglect the vertical shear on the bolts. All dimensions are in millimeters.
The cold-drawn AISI 1040 steel bar shown in the figure is subjected to an axial load fluctuating between 0kN and 28kN. Estimate the fatigue factor of safety based on achieving infinite life using modified Goodman criterion and the yielding factor of safety. If infinite life is not predicted, estimate the number of cycles to failure.
A bolted lap joint using ISO 5.8 bolts and members made from cold-drawn SAE 1040 steel is shown in the figure. Assume the bolt threads do not extend into the joint. Find the tensile shear load F that can be applied to this connection to provide a minimum factor of safety of 2.5 for the following failure modes: shear of bolts, bearing on bolts, bearing on members, and tension of members. 40 ↑ 70 40 ↑ 80 M20 × 2.5 20 20
Required information A countershaft carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at 8 is 15 percent of the tension on the tight side. Given: T41-550 lbf, T42=82.5 lbt, d4 = 6 in. dg=7.5 in, and dshaft = 1.292 in. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part TAI YAS A(DA) dshaft B(da) Determine the tensions in the belt on pulley 8, assuming the shaft is running at a constant speed The tension on the loose side of the belt ot Bis lbf. The tension on the tight side of the belt at Bis lbf.
The figure illustrates the connection of a steel cylinder head to a grade 30 cast-iron pressure vessel using N bolts. A confined gasket seal has an effective sealing diameter D. The cylinder stores gas at a maximum pressure pg. For the specifications given in the table for the specific problem assigned, select a suitable bolt length from the preferred sizes in Table A–17, then determine the yielding factor of safety np, the load factor nL, and the joint separation factor n0. See problem number 8-36, and please use the FEA exponential curve-fit for member stiffness.
2" Problem 5: For the component shown in the figure. Where is the critical location? What steel do you recommend based on yielding and factor of safety n=3. (F=1000 lb) == 24243,936N Paper Buckling => (5,00016) (1125/2) J 1/64 (1125/9 = 26075,95 1.25" r = 0.06" F 51 Per = ('T ES 02 2F T = 5F lb - in 3350 72518.87 86000 = 98.99) ² 2n, 3

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8-69 The bolted connection shown in the figure is subjected to a tensile shear load of 90 kN. The bolts are ISO class 5.8 and the material is cold- drawn AISI 1015 steel. Find the factor of safety of the connection for all possible modes of failure. 35 M30×25