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- The two lever assembly shown below is subject to a static load F = 8250 lb. %3D (a) identical links BD can be made from based on the stress in the middle of each link. Specify the lowest-strength alloy steel from Appendix A-10 that the two (b) is the minimum recommended diameter that the pins can be machined to? The pins at B and D are made from SAE 4140 OQT 900 alloy steel. What What is the bearing stress on the pins at B and D based on the pin (c) diameter you calculated in part (b) above? 9 in 8 in C B Top View A В C B 0.75 in - -0.31 in F 0.31 in Side View Front ViewCondition #1: A structural support for a machine is subjected to a static compression load of 20 kN. The support is manufactured from a circular rod made from SAE 1040 Hot Rolled steel. Specify suitable diameter for the cross section of the rod based on the basic size. Steel data are available in Table A-10 from the textbook. Condition #2: The same structural support of the basic size determined in Condition 1 is subjected to a tensile load of 15 kN that is repeated several thousand times over the life of the machine. This load is not an addition to the 20 kN. Specify a suitable steel that is suitable to this application based on the basic size determined in Condition #1. Loading of Condition #1 does not apply here. Condition #3: The same structural support from Condition 2 is heated from room temperature of 25°C. The support is placed inside a frame on both ends. There is a total clearance of 0.2 mm between the support and its frame. Initial length of the rod is 200 mm. Specify the…A factor of safety of 2.5 is used for the bolts in the assembly below. The ultimate shear stress of the magnesium alloy bolts is 20.0ksi. What should be the diameter of the bolts? 10 kip 5 kip 5 kip Diameter = in
- The butt connection shows 8- 22 mm diameter bolts(bolt hole dimension of 26 mm) spaced as shown below. Steel strengths are Fy 248 MPa and F, = 400 MPa. Use NSCP 2010/2015 Code Provisions %3D Calculate the design tensile strength based on the following: Based on the gross area of the plate Based on the net area of the plate. Based on block shear strength. CS Scanned with CamScannerFor a bolted assembly with 8 bolts, the stiffness of each bolt is k_b = 1.1 N/mm and the stiffness of the members is k_m = 2.8 N/mm at each bolt location. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly (to 75% of the proof stress). Assume the external load is equally distributed to all the bolts. It has been determined to use M6 × 1 class 5.8 bolts with rolled threads. Determine the maximum safe working load that both limits the stress in the bolts to be below the proof stress and ensures that the members do not come out of compression. Express your answer in units of kilonewtons.M P 1: Y A :s.google.com Q1 * Find the number of bolts M8 1 which made from SAE Grade 4 steel that should be used to provide a clamping force of 60 KN between two components of a machine. Also, specify the required tightening torque. (Hint: assume that cach bolt is limited to be stressed to 65% of its proof strength). 1 Add file Q2 * A flat plate with a central hole is subjected to an axial tensile force F of 9.8 KN, as shown in the figure below. Calculate the minimum thickness t of the plate. Given that the material of the plate can support maximum tensile stress of 75 N.mm, w = 10 cm and d = 3 cm. Thickness =t F 1 Add file Submit Clear form II
- Sketch a V-grooved butt joint, and label all of the joint's dimensions.A 3-in Aluminum plate and a 2-in cast-iron plate are compressed with one bolt and nut. The bolt is 7/8 in-9 UNC. (1) Determine a suitable length for the bolt, rounded up to the nearest in. (2) Determine the bolt stiffness. (3) Determine the stiffness of the members.A structural support for a machine is subjected to a static compression load of 20 kN. The support is manufactured from a circular rod made from SAE 1040 Hot Rolled steel. Specify suitable diameter for the cross section of the rod based on the basic size. Steel data are available in Table A-10 from the textbook.
- Use LRFD and design a 13-foot-long tension member and its connection for a service dead load of 8 kips and a service live load of 24 kips. No slip of the connection is permitted. The connection will be to a 3⁄8-inch-thick gusset plate, as shown in Figure . Use a single angle for the tension member. Use Group A bolts and A572 Grade 50 steel for both the tension member and the gusset plate.Q1:Prepare a full-section assembly drawing of the four fastener assemblies shown in the Figure. Dimension both the clearance and the threaded holes. A top view may be shown if required. Scale 1: 1. .250-20 FHMS .375 HEX BOLT AND NUT THREADED INTO BASE 1.00 ↓ .50 T 2.00 Ø.375 STUD THREADED .312 HEX X 1.25 LG INTO BASE FOR 1.00 IN. CAP SCREW AND WITH HEX NUT AND LOCK WASHER ON SPOTFACE SURFACE PLATE WASHER A 2.00- -2.00 -1.00- BASE 1.00- .25 1.50What is the design stress in psi of an ASTM A313, gage number 8 spring wire. The type of application requires a factor of 0.34 for the type of service. Round your answer to 4 significant figures.