A 1018 steel wedge will be created with Sy= 63 Kpsi and a factor of safety of 1.5. Theaxis where the wedge rotates does so at500 rpm and transmits 50 hp through agear. Consider that you have a squarewedge with diameter d= 2 3/5 in. Calculatethe length I that the wedge must haveusing the 2 formulas seen.

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Answered: A 1018 steel wedge will be created with…

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 diameter of shaft is 45mm. Compare the shear stress in the key to the torque in the shaft. calculate the key size to use for the 15 kW low speed shaft with a speed of 384 rpm. Take bxb = 10mm x 10mm as d = 45mm L = 1.5 cm.
3. Determine the principal dimensions of a cone faced with leather to transmit 30 kW at 750 rpm from an electric motor to an air compressor. Sketch a sectional front view of the clutch and provide the main dimensions on the sketch. Assume: semi-angle of the cone = 12 1/2°; f = 0.2; mean diameter of cone = 6 to 10d where d is the diameter of shaft; allowable normal pressure for leather and cast iron = 0.075 to 0.1 N/mm²; load factor = 1.75 and mean diameter to face width ratio = 6.
The problem is stated below. However, change the position of torque to point C from point D. What is the effect of variation of torque placement in shaft CB?
. The mean diameter of the driving pulley for a vec-belt drive with two belts is 110 mm. The pulley groove angle is 40° and the drive transmits 4.4 kW at a speed of rotation of 1500 rev/min. The coefficient of frietion between belt and pulley 0.32, and the angle of lap is 160°. Determine the driving torque and the maximum stress in the belt material if the cross-sectional area of each belt is 120 mm.
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. • Lengths: AB=90mm/BC=GH=50mm/CD3HI=60mm/DE=IJ=80mm 13 Gear3 E Gear2 14 15 16 Motor shafth 2. 17 Bearing Shaft1 Gear1 sprocket
In a thrust bearing, the external and the internal diameters of the contacting surfaces are. 19 mm and 200 mm respectively. The total axial load is 80 kN and the intensity of pressure is 350 kN/m?. The shaftrtates at 400 rpm. Taking the coeffic. : of fricieơn as 0.Q6 calculate the power lost fi overcoming the frP. Con. Also, find the number of collars required for the bearing. rrs
A spur pinion of pitch diameter 50 mm rotates at 200 rad/s and transmits 3 kW power. The pressure angle of the tooth of the pinion is 20°. find the total force exerted by a tooth of the pinion on other gear?
ANSWER ASAP The worm gear rotating at 1250 rpm drives a worm wheel and whose velocity ratio is 12 to 1. A driving motor with 12 hp is used to supply the worm with worm pitch gear diameter of 3.5 in. Find the tangential force on the gear.
2. Two shafts, one solid the other one hollow, are connected end to end by means of a coupling in which there are 8 screws on the pitch diameter D = 250 mm. The solid shaft has diameter d = 50 mm and transfers the power P = 500 kW at 75 rev/s. The external diameter of the hollow shaft is dex = 75 mm. %3D Note: All parts of the system must be equally strong, and able to transfer the required power Calculate: (a) The internal diameter d; of the hollow shaft (b) The diameter of the bolts d, connecting the two shafts (c) If the hollow shaft has to be replaced by a rectangular hollow cross-section with outer dimensions b xh and uniform wall thickness of 4 mm. Calculate the values b, h while following the request to keep h = 2b
A shaft is fixed at support C and has a torque of 75lb.ft with respect to free end at a distance of 0.75ft from C. It remains constant for 0.75ft before a negative uniformly distributed torque of 1200lb.ft/ft at a distance of 1.5ft is introduced. The shaft then remains flat for 1.5ft to free end with a torque of 600lb.ft. where in the shaft is the torque equals to negative 1200lb.ft measured from the free end?
Q1/ A 6-in-wide polyamide F-1 flat belt is used to connect a 2-in-diameter pulley to drive a larger pulley with an angular velocity ratio of 0.5. The center-to-center distance is 9 ft. The angular speed of the small pulley is 1750 rev/min as it delivers 2 hp. The service is such that a service factor Ks of 1.25 is appropriate. (a) Find Fc, Fi, Fla, and F2. (b) Find Ha, nfs, and belt length. (c) Find the dip.
Q A shaft rotating at 200 r.p.m. drives another shaft at 300 r.p.m. and transmits 6 kW through a belt. The belt is 100 mm wide and 10 mm thick. The distance between the shafts is 4m. The smaller pulley is 0.5 m in diameter. Calculate the stress in the belt, if it is . An open belt drive, and 2. A cross belt drive. (Take μ = 0.3)

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