The figure shows a welded steel bracket loaded by a static force F. Estimate the load F if the allowable shear stress in the weld throat is 120 MPa with factor of safety is 3 ?
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- 1. The welded joint shown below is subjected to a 40 kN of static axial and a 40 kN of static bending loads (F and F1) as shown below. The materials are made of steel with Sut-2070 MPa and Sy=1830MPA. Calculate the factor of safety of the weld. Where, h-6 mm, b-30 mm, c=100 mm d-60 mm, and both forces are equal and each 40 kN (F=F1=40 kN). F F1 d State the reason of your selection in your answer but use only 2 sentences (maximum of 2 lines!) for each answer. 2) Suggest the most suitable bearing type with quantity if a shaft rotates at a speed of 1500 rev/min, subjected to mid-range radial load in a limited radial space. 3) Suggest the most suitable bearing type with quantity if maximum stiffness, stability and resistance to shaft misalignment are desired at a shaft, rotating at 1000 rev/min, under a light radial load. In addition, the shaft is subjected to comparably light thrust loads from either directions. 4) Suggest the most suitable spring type for the following application…The weldment shown in Figure 2 is subjected to an alternating force F. The hot-rolled steel bar is 10 mm thick and is of AISI 1010 steel. The vertical support is likewise of 1010 steel. The electrode is 6010. (a) Estimate the fatigue load F the bar will carry if three 6-mm fillet welds are used. 6. 6 50 F -60 Dimensions in millimetersThe weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness h and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. b (mm) h (mm) d (mm) 70 Elecrode E8010 30 6 F
- (6) The weldment shown in the figure is subjected to an alternating force F. The hot-rolled steel bar is 10 mm thick and is of AISI 1010 steel. The vertical support is likewise of 1010 steel. The electrode is 6010. Estimate the fatigue load F the bar will carry if three 6-mm fillet welds are used. (22.1 kN) 50 60 Dimensions in millimetersQ1: The weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness h and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. b (mm) h (mm) d (mm) 70 Elecrode E8010 30 6 b→→ FQ1: The weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness h and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. b (mm) h (mm) d (mm) 70 Elecrode E8010 30 4
- Te - Effective throat thickness well in mm = 6 sin45° Consider the following drawing in which plate 1 is welded onto plate 2 as shown for tensile and shear loading. The plates are fillet welded with a weld thickness of 6 mm as shown for a length of 150 mm. The plates have an ultimate strength of 275 MPa and the welding was done with F70 welding electrodes, which possesses an ultimate strength of 483 MPa. Consider a partial factor of safety of 1.7 for the welded joint and determine the design strength of the weld joint, both in tension (Tdw) and in shear (Vdw) due to the forces acting on it. a) Determine the design strength of the following weld in tension ( ) due to vertical forces. b) Determine the design strength of the weld in shear ( ) due to horizontal forces. Attached pic is shear equation for calculation Tension equation for calculation is: Tdw = FyLwte /YmwQ1: The weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness h and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. b (mm) d (mm) h (mm) Elecrode E8010 30 70 6 ko →→ FQ1: The weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. h (mm) b (mm) 30 d (mm) 70 Elecrode E8010
- Figure 4 shows a rectangular hollow steel bar welded to a vertical member. The bar has to support a IkN load at its free end. Fillet welds extend all around the outer periphery of the bar. Assuming that the Distortion Energy Theory is applicable, i.e., Say = 0.58 x S, determine the required weld size using a welding rod with S, = 330 MPa and a safety factor of 3 based on yielding. Neglect the weight of the rectangular bar. 1 kN 60 2 25 15 Figure 4 with all dimensions given in millimetresAn AISI 1050 HR solid tube of 20mm diameter is acted by force F1 = IkN, and force F2 of 2kN. The tube is welded to a larger round base by 3mm fillet weldment, the base is connected to the ground base (shown in gray color) by means of four bolts M8x1.25mm (property class of 4.8)). The bolts are evenly distributed at 20mm away from the center of the tube. R=100 F1 120 120. F2 R=100 D =20 120 R=3 D =60 40 Dimensions are in mm Perform the following the following: 1- Find the state of stress for the most critical point on the assembly and build the mohr's circle. Solve question 1Q1: The weldment shown in the figure is subjected to a force F. The hot-rolled steel bar has a thickness h and is of AISI 1040 steel. The vertical support is likewise AISI 1040 HR steel. The electrode is given in the table below. Estimate the static load F the bar can carry if two fillet welds are used. d (mm) h (mm) Elecrode b (mm) 30 70 6 E8010 4 ko →