for the lap joint shown below, calculate the safe axial tensile fo 126 102 A 220M
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- A. for the lap joint shown below, calculate the safe axial tensile force P if Otensile=136MPa , Trivet= 102 MPa and Obearning =330MPA. Assume diameter of hole = 25mm 022mm rivet Plan P section -300mm-Calculate the riveted joints, find its efficiency and draw a suitable sketch. Thickness of the plates – t, mm is 12 Width of the plates – b, mm is 150 Load – P, kN is 20 Note. Choose a suitable material, determine its tearing stress. Take permissible shearing stress - teta=0.7sigmat ; Permissible crushing stress - sigmac=1.5sigmat ;A square pedestal has glued parts at joints t, r, e, and s. Plane t-r-e-s is at anole of 30° from the vertical axis Given the following data: allowable pressive stress of 5.2 MPa in glued joint and Shear stress of 3.5 MPa. If the axial pedestal force is 36 kN. determine the safe width dimension in mm and the angle in degrees if the maximum shear stress will occur to the plane.
- 4. Determine the design stress for bolts in a cylinder cover where the load is fluctuating due to gas pressure. The maximum load on the bolt is 50 kN and the minimum is 30 kN. The load is unpredict- able and factor of safety is 3. The surface of the bolt is hot rolled and the suface finish factor is 0.9. During a simple tension test and rotating beam test on ductile materials (40 C 8 steel annealed), the following results were obtained : Diameter of specimen =12.5 mm; Yield strength= 240 MPa; Ultimate strength= 450 MPa; Endurance limit = 180 MPa. [Ans. 65.4 MPa]3. Calculate the bearing stress and shear stress between the pin and each bracket of a clevis joint. Assume pin diameter of 10 mm, 40 mm wide gap link, 12 mm thick bracket, and 3550N tensile load. Draw a free body diagram (geometry & forces) Identify stress plane Calculate stress and write it (with appropriate units) in the outlined boxA hollow aluminum cylinder made of 2014-T4 has an outside diameter of 2.50 in. and a wall thickness of 0.085 in. Its length is 14.5 in. What axial com- pressive force would cause the cylinder to shorten by 0.005 in.? What is the resulting stress in the 3-25. aluminum?
- Agui - 4550/2 =2276 two plates each with thickness t - 16 mm are bolted together with 6-222 mndia. bolts firming alap Joint Bolt spacing are follows St- $40mm S2 - 80mm, S3=150mm effective bolt hole dia. is 25mm A36 is used. Compute the allowable tensile Strength P t = 16 mm &t 52 747₁ 0 O O 40 60 80 40 +=16mm S-400 $3-100 S2-40 7 @ 4umm P2. 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 boxThe tensile load on the bar mentioned varies from 4,000 lb to a minimum of 1,200 lb. Rapid cycling for many million cycles is expected. As the tensile load fluctuates between 4,000 lb and 1,200 lb, it creates fluctuating normal stresses. Calculate the following stresses at the section through the hole. Note: SAE 1050 OQT 1300 steel, wrought steel (a) Maximum tensile stress (psi) (b) Minimum tensile stress (psi) (c) Median stress (psi)
- Pls give right answer with step by step explanation. Design a clamp coupling for a shaft diameter of 60 mm. The torsional moment to be transmitted by this coupling taking in to account over loading as 160 N-m. The number of bolts used are 6 and the allowable stress in the material of the bolt is limited to 5N / m * m ^ 2 . The coefficient of friction between the shaft and muff material is 0.25.Calculate the maximum tensile stress developed in a 1/4-20 bolt (Major dia = 0.2500" and Root dia = 0.1959"), 3" long, and a head height of 0.1875", if it is subjected to a load of 426 lbs.3 in 2. For the C-clamp shown in Fig.1 , a perpendicular force is applied (into the page) at the end of the handle 3.5" from the centerline of the clamp screw. The handle has a diameter D= 1/2" and is made of AISI 1035 CD steel with a yield strength S, = 67 kpsi. The clamp screw is a 5/8 in–18 UNF, with ACME threads. Knowing that the maximum stress in the handle will occur at the location where the handle protrudes from the screw housing, what value of applied screw torque will cause the handle to bend permanently when the clamp is fully closed? What clamp force corresponds to this? Assume that collar friction is negligible and that the coefficient of friction between the threads and the nut is 0.15. Fig. 1