TUATION 2: Find the smallest diameter of bolt and the minimum thickness of each yoke that on be used in the clevis shown in the figure below if P = 400 kN. The shearing strength of the olt is 300 MPa and the bearing strength is 500 MPa.
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- Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.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?When drilling a hole in a table leg, a furniture maker uses a hand-operated drill (see figure) with a bit of diameter d = 4.0 mm. If the resisting torque supplied by the table leg is equal to 0.3 N · m, what is the maximum shear stress in the drill bit? If the allowable shear stress in the drill bit is 32 MPa, what is the maximum resisting torque before the drill binds up? If the shear modulus of elasticity of the steel is G = 75 GPa, what is the rate of twist of the drill bit (degrees per meter)?
- Pipe 2 has been inserted snugly into Pipe I. but the holes Tor a connecting pin do not line up; there is a gap s. The user decides to apply either force P:lo Pipe I or force P-, to Pipe 2, whichever is smaller. Determine the following using the numerical properties in the box. (a) If only P{is applied, find Pt{tips} required to close gap s; if a pin is then inserted and Ptremoved, what are reaction forces RAand RBfor this load case? (b) If only P2is applied, find P2{kips) required to close gap a; if a pin is inserted and P2removed, what are reaction forces R^ and RBfor this load case? (c) What is the maximum shear stress in the pipes, for the loads in parts (a) and (b)? (d) If a temperature increase IT is to be applied to the entire structure to close gaps{instead of applying forces Ptand P2), find the AT required to close the gap. If a pin is inserted after the gaphas closed, what are reaction forces .''.', and RBfor this case? (e) Finally, if the structure (with pin inserted) then cools to the original ambient temperature, what are reaction forces Rtand PA high-strength steel drill rod used for boring a hole in the earth has a diameter of 0.5 in. (see figure). The allowable shear stress in the steel is 40 ksi and the shear modulus of elasticity is 11,600 ksi. What is the minimum required length of the rod so that one end of the rod can be twisted 30º with respect to the other end without exceeding the allowable stress? If the shear strain in part (a) is limited to 3.2 × 10-3 , what is the minimum required length of the drill rod?Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPa
- In the clevis shown in Figure 4.3, find the maximum bolt diameter and the minimum thickness of each yoke that will support a load of P=14 kips without exceeding a shearing stress of 12.15 ksi and a bearing stress of 20.15 ksi. Figure 4.3A flanged bolt coupling is used to connect a solid shaft 90 mm in diameter to a hollow shaft 100 mm in outsude diameter and 90 mm in inside diameter. If the allowable aring stress in the shafts and the bolts is 60 MPa, how many 10 mm diameter steel bolts must be used on a 200 mm diameter bolt circle so that the coupling will be as strong as the weaker shaft?Bearing stress 4. Please provide proper discussion and illustration also complete solution and clear solution please thank you Determine the length of a square key to be used for a 3.73 kW, 1800 rpm electric motor if the motor shaft diameter is 35 mm and the width of the key is approximately one-fourth of the shaft diameter. The allowable shearing stress on the key is 2.45 MPa
- A drill drills a hole in a leg of a furniture. Uses a hand-operated drill with a bit of diameter equal to 5.79mm. If the resisting torque supplied by the table is equal to 0.36 N.m, what is the maximum shear stress of the drill bit? If the allowable shear stress in the drill bit is 44.215MPa, what is the maximum resisting toque before the drill binds up?Question 2 The vertical shaft and the pulleys keyed to it in Figure Q2 may be regarded as weightless. A constant angular velocity is used to rotate the shaft. The known belt pulls are shown, and the three pulleys are firmly keyed to the shaft. Calculate the required diameter of a solid circular shaft if the operating stress in shear is 50 MPa. Because the bearings and pulleys are close together, neglect shaft bending. 250 mm B 350 mm ↓ -500 mm- Figure Q2 -3 kN 1 kN 1 kN 1.25 kNIn the clevis shown in Fig. 1-11b, the minimum bolt diameter (d=22mm) and the minimum thickness of each yoke(t=10mm) without exceeding a shearing stress of 83MPa and a bearing stress of 138MPa. -Find the support load (P=?) Y. Figure 1-11b