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. Assu
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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.
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- A steel punch consists of two shafts: upper shaft and lower shaft. Assume that the upper shaft has a diameter d1= 24 mm and the bottom shaft has a diameter d2= 16 mm. The punch is used to insert a hole in a 4 mm plate, as shown in the figure. If a force P - 70 kN is required to create the hole, what is the average shear stress in the plate and the average compressive stress in the upper and lower shaft of the punch?Compare the angle of twist 1 for a thin-walled circular tube (see figure) calculated from the approximate theory for thin-walled bars with the angle of twist 2 calculated from the exact theory of torsion for circular bars, Express the ratio 12terms of the non-dimensional ratio ß = r/t. Calculate the ratio of angles of twist for ß = 5, 10, and 20. What conclusion about the accuracy of the approximate theory do you draw from these results?The pin in the image shown 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.
- A link in an automated packaging machine is a hollow tube made from 6061-T6 aluminum. Its dimensions are as follows: outside diameter = 32.0 mm, inside diameter = 28.0 mm, and length = 1.00 m. Compute the tensile force required to produce an elongation of the bar of 1.3 mm. Would the stress produced by the force just found be safe if the load is applied repeatedly?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. * P/2 Shear P4 Planes P/2 Pin 1.1 inch O 1.5 inch 1.8 inch O 2.1 inch1. The tie-rods in the press in Figure are made of the steel alloy SAE 5160 OQT 900 (E=30×106 psi). Each rod has a diameter of 2.00 in. and an initial length of 68.5 in. An axial tensile load of 40 000 lb is exerted on each rod during operation of the press. Compute the deformation of the rods. Press frame Ram Circular steel tie rod attached to press frame Die A cross sectional area Original length Total deformation
- 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 boxThe 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.A 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?
- 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.2. A 30-mm bolt with an initial tension of 35 kN is subjected to several types of stresses during initial tightening or due to screwing up forces. If the bolt has a core diameter of 25.7 mm and considering 5 threads are already engaged with the nut, calculate the shear stress across the thread and the crushing stress between the threads. Assume 3.5 mm as the width of the thread section at the root.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. * P/2 Shear Planes P+ P/2 Pin