Please answer all parts 4. The figure below shows a countershaft with helical gear (B), bevel gear (D), and two supportingbearings (A and C). All shoulder fillets (at points where diameter changes) have a radius of 5 mm.Note that the shaft is designed so that only bearing A takes thrust (There is a resultant force in thex-direction).F= 0.3675Fy Fx =0.2625Fy(1)Forces act at 500-mm dia.сB550-400-D= 1.37 kN400450F = 5.33 KN120 dia.Keyway80 dia.F = 1.37 kN(K 1.6 for bend and torsion; 1.0 for axialload all at the keyway. Use Cs = 1 with these values.)Forces act at 375-mm dia.(2)The shaft is made of hardened steel, with ultimate strength = 1069 MPa and yield strength =MPa. All surfaces are finished by grinding, and a 99% reliability is desired.a) Find F on the 500 mm diameter bearing. (Hint: Use equilibrium of torques)F,yb) Draw VMNT diagrams for the shaft in the xy and xz planes.c) At point B, calculate the equivalent stresses.0d) Estimate the safety factor for infinite life ifea= constantσem$896

Answered: Image /qna-images/answer/ee15633f-c9c8-4faa-99bc-2c4233f7ebcf.jpg

Answered: 4. The figure below shows a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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3. The center distance of two pair of meshing spur gears 4 = a, =160mm m, = m, z, = 20 3 = 30, 2, = 50 . Calculate the module of four gears and the tooth number of gear 1.
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A pinion having 40 teeth drives a gear having 80 teeth. the profile of the gear is involute with pressure angle ( 22), 12 mm module and (14) mm addendum. Find 1-the length of contact2-Arc of contact 3-Contact ratio
A gear train with a ratio of -6:1 and a diametral pitch of 8 is used to reduce the speed from an electric motor to a shaft driving a grocery checkout conveyor. Grocery checkout conveyor Electric motor @, = 1800 rpm a. If the motor rotates at 1800 rpm clockwise, determine the speed and direction of the large gear. b. For a pressure angle of 20 deg, determine the minimum number of teeth for the pinion. Assume the gears are cut by a shaper (NOT a hob). c. Specify pitch diameters and numbers of teeth for the pinion and the gear for the most compact gear train.
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Photo by Norbert Schnitzler, CC BY-SA 2.0 simple model 36 in bearing bearing fixed support A simplified model of two solid circular shafts connected by two rigid gears is given below. Determine: (1) the torque in shaft c-d to the nearest in-lb and (2) the angle of twist at point a in degrees with two decimal places. b bearing bearing a 62 in Notes: top view (sketch not to scale) - gear b radius= 1.25 in - gear c radius = 4.60 in - shaft ab radius = 1.00 in -shaft cd radius = 0.75 in - shear modulus = 12000 ksi 1100 in-lb
PLEASE ANSWER ?? ?Part 1 Calculate the polar moments of inertia in segments (1) and (2). Please Answer: J₁ = in.⁴ J₂= in. ⁴ ?Part 2 Calculate the internal torques T1 and T2 in shaft segments (1) and (2), respectively. On paper, prepare an internal torque diagram for the compound shaft that shows these internal torques. Use the sign convention presented in Section 6-6. Please Answer: T₁ = Ib-ft, T₂= Ib-ft. ?Part 3 Calculate the maximum shear stress in each shaft segment. On paper, prepare a diagram that shows the maximum shear stress in segments (1) and (2) of the shaft. Use the sign convention presented in Section 6-6. Please Answer: τ₁ = psi, τ₂ = psi ?Part 4 Determine the rotation angle of B with respect to the support at A. Please Answer: φB= rad. ?Part 5 Determine the rotation angle of C with respect to the support at A. Please Answer: φC= rad. Thank you so much in advance
Ex. #5] Pinion 2 in the figure runs at 1 750 rpm and transmits 2.5 kW to idler gear 3. The teeth are cut on the 20° full-depth system and have a module of m= 2.5 mm. Draw the free body diagram of gear 3 and shows all the forces acting upon it. Determine the forces acting upon gear 3. The direction of rotation of gear 3, as shown, is counterclockwise. GIVEN: Figure shown N₂ = 1750 rpm $=200 P = 2.5 kW m = 2.5 mm 3 0₂ REQUIRED: CS Draw the freechody distram of gear 3 and compute the forces acting on it.
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with an 18-tooth 20° pinion driving a 45-tooth gear. The power input is 28-hp at 1700 rev/min. Find the magnitude of the force acting on bearing D. 3 2 3 in 3 in The magnitude of the force acting on bearing Dis lbf.
Please prove the answer to this exercise, the answer is already given, written in bold. Thank you
In the figure below, a motor with power 150kw and speed of 2500 rpm is connected to shaft 1(by coupling) in a clockwise direction. Shaft 2 is connected to shaft 1 by gears 1 and 2. If 30% of the power is consumed by the gear3 and 9% by the pulley and 61% by the sprocket, draw torque diagrams for both shafts. If the pressure angle of the gears is 20 degrees to the x-axis, Calculate the reaction forces of the bearings and draw the bending moment diagrams for both shafts according to the information below: Lengths: AB=90mm/BC=DGH=50mm/CD=HI=60mm/DE=IJ=80mm Diameters: dG1=dG2=47mm/ dG3=20mm/ d(pulley)=35mm/d(sprocket)=40mm Gears Gear2 Tew) shaftz Bearing Shaft Gear1 SProcket
The four helical gears shown in figure have a module in the normal plane of 4 mm and a pressure angle in the normal plane of 0.35 rad. The motor shaft rotates 550 rpm and transmits 20 kW. Other data are on the drawing. (a) What is the speed ratio between the motor (input) and output shafts? (b) Determine all force components that the 20-tooth pinion applies to the 50-tooth gear. Make a sketch showing these forces applied to the gear. (c) The same as part (b), except for the force components that the 50-tooth gear exerts on the 25- tooth pinion 100 50 teeth 200 125 25 teeth ψ = 0.35 rad right hand Motor 20 teeth ψ = 0.50 rad left hand 50 teeth Output

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