mounted on a 2-inch shaft as shown transmits 9 kW at 1000 rpm. What is
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A 6-inch diameter pulley mounted on a 2-inch shaft as shown transmits 9 kW at 1000 rpm. What is the combined stress acting on the shaft?
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- campute the bending stress number for the goer pair described by the given data beLow. KS= 1, Km= 1,21, F= 2.00 in, DP= 3,33 in, NG= 70, Np=20 hp = 1750v. p.m, Av=11, Pd =6, Tp= 900ib V1= 1527 ft/min The matarial used for pinion a gear is cast ironDesign a rigid flange coupling to transmit a torque of 257N-m between two coaxial shafts. The shaft is made of alloy steel, flanges out of cast iron and bolts out of steel. Four bolts are used to couple the flanges. The shafts are keyed to the flange hub. The permissible stresses are given below: Shear stress on shaft =100MPa Bearing or crushing stress on shaft =250MPa Shear stress on keys =100MPa Bearing stress on keys = 250MPa Shearing stress on cast iron = 200Mpa Shear stress on bolts =100MPa Answer in Word pleaseThe flange coupling for two shafts made of plain carbon steel to be connected. The shafts transmitting a toque of 600 N-m. Assume the following permissible stresses for the coupling components: Shaft — Permissible shear stress = 35 MPa Keys — Rectangular formed end sunk key having permissible compressive strength = 60 MPa Bolts — Six numbers made of steel having permissible shear stress = 28 MPa Pitch circle diameter of bolts = 1.6 × Diameter of shaft Calculate: 1. diameter of shaft; 2. Hub length 3. Hub diameter 2. thickness of flange; 3. Diameter of flange 4. Width of key 5. Thickness of key 5. Diameter of bolt; 6. Crashing stress in bolt
- Design a rigid flange coupling to transmit a torque of 250N-m between two coaxial shafts. The shaft is made of alloy steel, flanges out of cast iron and bolts out of steel. Four bolts are used to couple the flanges. The shafts are keyed to the flange hub. The permissible stresses are given below: Shear stress on shaft =100MPa Bearing or crushing stress on shaft =250MPa Shear stress on keys =100MPa Bearing stress on keys = 250MPa Shearing stress on cast iron = 200Mpa Shear stress on bolts =100MPa Torque = 257N-mPlease answer the problem with FREE BODY DIAGRAM AND COMPLETE SOLUTIONS. Also, box the final answer and explain the step-by-step solutions. Thank you! GUARANTEED UPVOTE!!!! STRENGTH OF MATERIALS Topics: Torsion Flanged Bolt Couplings Torsion of Thin-Walled Tube Helical Springs PROBLEM:The turbine motor moving at 378 rev/ min can produce 2.5 hp. The shaft diameter is 1.25 inches. Calculate the torque and shearing stress developed in the shaft.Design a hallow shaft (Diameter and length) that develops 80 kW of power while rotating at a speed of 4000 rpm. The design constrains are as under:The angle of twist not to exceed 0.200Shear stress is not to exceed 480 MN/m2The outer diameter is to be twice the inner diameter. The shaft length is to be three times the outer diameter. Modulus of rigidity = 79 GN/m2.
- If the inertia is 90 lb·ft2 and the speed of the driven shaft is to be increased from 0 to 2,500 rpm in 5 seconds, shaft material is of SAE 4140 with the yield strength of 110,000 lb/in2, find the clutch starting torque in lb·ft. a 191 b 162 c 146 d 128 e 232 Correct Answer is 146What is the minimum diameter of a solid steel shaft that will not twist through more than 10 degrees in a 6 m length when subjected to a torque of 28 kN.m.?Use G=83 GPa. 131.33 mm 125.22 mm 118 mm 104.25 mmA motor provides 60 hp power to a wheel B. It rotates a solid shaft in AISI 1020 steel, 4 cm in diameter, at a speed of 300 rpm. Power is drawn from the shaft using belts attached to pulleys A and C. (Use the table if necessary) (a) Draw the torque diagram of the driven shaft. (b) What is the safety factor of the driven shaft? Answer: 5.22 (c) Determine the angle of torsion of pulley C with respect to pulley A. Answer: -1.88°
- (7) The drive of an outboard motor which rotates @ 5,000rpm is supported by a spline in the crankshaft @ the upper end & bearing @ the lower end 560mm apart. (a) If the engine develops 15kW @ this speed, what is the diameter of the solid steel shaft to use? The allowable torsional stress is 80N/mm2 .The flange coupling for two shafts made of plain carbon steel to be connected. The shafts transmitting a toque of 600 N-m. Assume the following permissible stresses for the coupling components: Shaft — Permissible shear stress = 35 MPa Keys — Rectangular formed end sunk key having permissible compressive strength = 60 MPa Bolts — Six numbers made of steel having permissible shear stress = 28 MPa Pitch circle diameter of bolts = 1.6 × Diameter of shaft 1. diameter of shaft =44.36 2. Hub length =67.5 3. Hub diameter 90 mm Calculate: 2. thickness of flange; 3. Diameter of flange 4. Width of key 5. Thickness of key 5. Diameter of bolt; 6. Crashing stress in bolt(14) A 40mm steel shaft rotates @ 600rpm & handles 10kW delivered from a pulley located 300mm from one side of the bearing. The shaft is supported by bearing 800mm apart. Assume that force acting on the shaft is the equal to the maximum belt pull. Determine the maximum combined stress of the shaft. (15) A 150mm pulley is mounted to the motor 100mm from the bearing. The motor is 20kW & rotates @ 640rpm. The belt wraps the pulley @ 170°. The net belt tension is acting as transverse load on the shaft. Determine the combine stress on the shaft.