6-11 A pin in a knuckle joint is shown in part (a) of the figure. The joint is subject to a repeatedly applied and released load of 6000 N in tension. Assume the loading on the pin is modeled as concentrated forces as shown in part (b) of the figure. The shaft is made from AISI 1018 họt-rolled steel that has been machined to its final diameter. Based on a stress element on the outer surface at the cross-section A, determine a suitable diameter of the pin, rounded up to the next mm increment, to provide at least a factor of safety of 1.5 for both infinite fatigue life and for yielding. F = 6000 N Problem 6-11

6-11 A pin in a knuckle joint is shown in part (a) of the figure. The joint is subject to a repeatedly applied and released load of 6000 N in tension. Assume the loading on the pin is modeled as concentrated forces as shown in part (b) of the figure. The shaft is made from AISI 1018 họt-rolled steel that has been machined to its final diameter. Based on a stress element on the outer surface at the cross-section A, determine a suitable diameter of the pin, rounded up to the next mm increment, to provide at least a factor of safety of 1.5 for both infinite fatigue life and for yielding. F = 6000 N Problem 6-11

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

See similar textbooks

Similar questions

2. Calculate the shear stress in a simple pin joint, assuming pin diameter of 10 mm and 3550N compressive load on the link. Draw a free body diagram (geometry & forces) Identify stress plane Calculate stress and write it (with appropriate units) in the outlined box
10
In the figure above, the shaft has a diameter of 50mm, and the diameter of pulleys C and D are given tobe 600 mm and 400 mm, respectively. ?1 = 1000 N, ?2 = 500 N and ?3 = 1500 N. But in addition tothe force on the pulleys, a compressive axial force of 100 kN is acting on both ends of the shaft. Theshaft is made from a brittle material with an ultimate tensile strength ??? that is half of its ultimatecompressive strength ???. The desired factor of safety is ? = 2 for the shaft.e. Determine the principal stresses corresponding to maximum bending and torsional shear stresses.Ignore transverse shear stresses due to bending.f. Use Maximum Normal Stress Theory and find the minimum required ??? and ???.g. Use Brittle Coulomb-Mohr Theory and find the minimum required ??? and ???.h. Use Modified Mohr Theory and find the minimum required ??? and ???.i. Use graphical method to check your answers in parts (a), (b) and (c).
Q3 The figure shows a round shaft from a gear transmission. Gears are mounted at points A, C, and E. Supporting bearings are at B and D The forces transmitted from the gears to the shaft are shown, all acting downward. Compute the maximum stress due to bending in the shaft, accounting for stress concentrations. calculate the safety factor for the material selected. if matrial 4150 Anneald ,if F1=9kn,F2=13kn,F3=15kn
S-3) In order to carry the 100 KN force safely on the frame in Figure 3, find the diameters of the B and D pins (B single cut D double cut), the thickness t of the BD bar. (Safety Cat.(S)=2, T = 250 Nmm2 o -350 N/mm2) 40.a mm 300 mm ТАКE a-9,6 60.a mm 50 mm D Yatağı 100 mm C t mm |F=100 kN
8-68 Engineering Design + 40 1 plem 8-68 70 millimeters. 40 A bolted lap joint using ISO class 5.8 bolts and members made of 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 fol- lowing failure modes: shear of bolts, bearing on bolts, bearing on members, and tension of members. 20 M20x2.5 20
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)
Note: Read the question carefully and give me right solutions according to the question.
Design a flanged coupling that will be able to carry power of 1,500 HP using a factor of safety of 3.3 at 630 rpm. The shaft diameters of the equipment the coupling will connect are both 5 inches. Check your design for the following stresses if N = 3.3 is satisfied: 1. Bolt shearing; 2. Bolt bearing; 3. Shearing of hub from coupling flange; 4. Shear on key; 5. Compression on key; Select dimensions whichever is higher. 6. Calculate also minimum length of engagement of the bolt and nut if these are of the same material. 5 inch dia. shafts coupling to connect the equipment shafts. Note: use 4 bolts only Instructions:
A rod R is used to hold a sign board with an axial load 50 kN as shown in figure. The end of the rod is 50 mm wide and has a circular hole for fixing the pin which is 20 mm diameter. The load from the rod R is transferred to the base plate C through a bracket B that is 22mm wide and has a cireular hole for the pin. The base plate is 10 mm thick and it is connected to the bracket by welding. The base plate C is fixed on to a structure by four bolts of each 12 mm diameter. Find the shear stress and bearing stress in the bolts. P 50 kN.
In the figure, the machine element located at the C point in the transmission system is radial and axial loads. These loads; Fr: 500 daN, Fa = 250 daN in addition to this .Testing the load of the machine element affects the spindle once again up to 100 daN. Loads in the system A and B are covered by a single row ball bearing. By evaluating what is given; a-) Calculate the forces acting on the bearings and the required shaft diameter. b-) Choose the most optimum bearing so that the life of the A bearing will be at least 4000 hours. For the shaft material in the system; oem = 7 daN/mm2, bearings will operate with 1000 rpm rotation speed. Important Note: Axial Load will be carried by the A-bearing Fa Fr A В 200mm 180mm 220mm
The pin in the image shown below must transfer an axial tension force of 12.7 kN. Calculate the minimum pin diameter. Use Shear stress=0.4*Yield strength. Assume material is 1020 hot-rolled steel.