Hi, I need help with this question. Project 3:3.The geared steel line shaft shown below has an input of 220 kW at gear C and rotatesat 750 rpm. The power is taken off at each of the gears A, B, D, E and F as shown inFigure 3 below. The gears are attached to the shaft and the shaft is supported bybearings (not shown) which absorb negligible power. Draw a torque distributiondiagram and determine the maximum diameter of the shaft if the allowable torsionalshear stress is 60 MPa (ignore bending stress and laminar shear stress).75 kW220 kW45 kW40 kW35 kW25 kWBDE2 0002 5003.0003.0002 500

Step 1: Step 2: Step 3: Step 4:

Answered: Project 3: 3. The geared steel line…

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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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.
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
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Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 N-m. The torque transmitted by the gear is
The figure shows a pair of shaft-mounted spur gears having a module of 5 mm with an 18-tooth 20° pressure angle pinion driving a 45-tooth gear. The power input is 24 kW at 1800 rev/min counterclockwise into the pinion. Find the direction and magnitude of the forces acting on the shafts a and b. SOLUTION:
You have been asked by your engineering company to design a complete gear and shaft system shaft that is made of steel. The solid shaft is linked with gear A, B. C and D with gear A., B and C produces torque of 15 kNm (clockwise), 30 kNm (clockwise) and 75kNm (anticlockwise). respectively each. If AB = 0.70m, BC= 0.80 m and CD=0.90 m with the shafts consist of solid circular shafts with a diameter of 150 mm having the shear modulus of G = 80 GPa, b) The shafts are now to be redesigned by drilling only through shaft BC with a diameter hole, cz to produce a hollow shaft BC. It is also known that the allowable shear stress, Tall in the shaft must not exceed 85 MPa. i) Determine the minimum wall thickness of the shaft BC, tBc
None
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.
Answer D , E and F
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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