Keino ThompsonProblem 1.Given 2 parallel shalts withRequired:h₁= 3001pmd₁N₁ =T₁ =+ e=a) N₁ & N₂b) p=center distance of 12.7 cmh₂ = 0.2 h₁P = N₁d₁Power ==Wd₂Circular pitch of10 teeth2 Hp (Transmitted to pulley 2)gearsinc) ng in rpmd) Pitch line velocities of Gears 1&2of pulley 2e) Torque in nm

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Problem 1: Given 2 parallel shafts with Required: h₁ = 3001pm d₁ N₁ T₁ if 0 + = + a) N₁ & N₂ b) p c) ng in rpm center distance of 12.7 cmm h₂ = 0.2₂ 4₁ N₁ W₂ d₁ d₂ Power = = Circular pitch of = il gears 10 teeth 2 Hp (Transmitted to pulley 2) in

Problem 1: Given 2 parallel shafts with Required: h₁ = 3001pm d₁ N₁ T₁ if 0 + = + a) N₁ & N₂ b) p c) ng in rpm center distance of 12.7 cmm h₂ = 0.2₂ 4₁ N₁ W₂ d₁ d₂ Power = = Circular pitch of = il gears 10 teeth 2 Hp (Transmitted to pulley 2) in

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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|Q1: Two spure gears are engaged. The large one has Pd=5, D= 10 inch. The speed ratio is (2), ø = 20°. Find the length of line of action and contact ratio.
Q2/ Two mating involute spur gears of 20* pressure angle have a gear ratio of 2. The number of teeth on the pinion is 20 and its speed is 250 r.p.m. The module pitch of teeth is 10 mm. If the addendum on cach wheel is such that the path of approach and the path of recess on cach side are half the maximum possible length each, find: i) the addendum for pinion and gear wheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approach and recess. Assume pinion to be driver.
input A NA= 18 m= 2 mm (A-B) d;= 108 mm m= 3 mm (C-D-E-F) Nc= 24 n,= 120 dev/dak (rev/min) N= 16 n;= 480 dev/dak (rev/min) na= 720 dev/dak (rev/min) (giriş) Evaluate the number of teeth of gear B. O A) 27 E O B) 108 В C) 6 O D) 324 O E) 54 output (çıkış) F
1. A pinion of 19 teeth meshes with a gear of 37 teeth. Module is 4mm and pressure angle is 20o. Pinion rotates at 100 rpm.Assuming both are full depth involute type,a) determine the following:i. Velocity ratioii. Speed of the geariii. Circular pitchiv. Base pitchv. PCD (pitch circle diameter) and PCR (pitch circle radii)vi. Center distancevii. Addendum and dedendumviii. Contact ratioSketch the drive.b) If the center distance is increased by 10%, what is the newpressure angle?
Two involute gears of 20-degree pressure angle are in mesh. The number of teeth on pinion is 20 and the gear ratio is 2. If the pitch expressed in module is 5mm and the pitch line speed is 1.2m/s, assuming addendum as standard and equal to one module. Find a.) The angle turned through by pinion when one pair of teeth is in mesh and b.) The maximum velocity of sliding.
22 The fellowtng data relate to a patr of 30 tmoiute gears m mesh: 3ochule - 6 mm, Number of terth on pinna - 17, Number of lorth on gear - 19, Adirnala on piniom and geur whoai -I modle Pind : 1 The mumber of pairs of teeth in cosact: 2. The angle nurned through by the pinion and the gaar wheel when one patr of teath is m contact, anmd 3. The ratio of sladteg to rolimg motton when the mp of a tooth on the larger whoel fi s Just mZkteg contact, fi ta jast leaving contact wate tz mating tooth, and ) is at the ptch pont.
In the figure below the gears are 20º full depth of AGMA Quality No 8. a) Find the horsepower transmitted by the 1-2 mesh b) Find the required width b for the 3-4 mesh if they are carrying the same horsepower as the 1-2 mesh. No.2, C.I. BHN=220 P=4, N₂=72,b=2" No 1, Steel, P=4, N₁=24,b=2" n₁ = 570 rpm /No.4.CI. BHN=220 P=3, N₂=72 No.3, Steel, P=3, N₁=24
Two mating involute spur gears of 20 pressure angle have a gear ratio of 2. The number of teeth on the pinion is 20 and its speed is 250 r.p.m. The module pitch of teeth is 10 mm. If the addendum on each wheel is such that the path of approach and the path of recess on each side are half the maximum possible length cach, find: i) the addendum for pinion and gear wheel, i) the length of arc of contact, iiithe maximum velocity of sliding during approach and recess. Assume pinion to be driver.
a) Engine-Pump mechanism in Figure 3.1 shows few gears meshing with different parameters Based on the picture shown below. Given: n1 = 500 rpm; N1 = 20; N2 = 70; N3 = 18; N4 = 54 Compute () value of n4 (ii) Torque and power changes at Gear 4 ni, NI n4, N4 Engine Pump n2, N2 n3, N3 Figure 3.1 b) A gear box in Figure 32 has an input speed of 1500 revimin dockwise and an output speed of 300 revimin anticlockwise. The input power is 20 kW and the efficiency is 70%. Calculate: D. The gear ratio; i). The input torque. i). The output power iv). The output torque v). The holding torque. Figure 3.2
Q: Two involute goars having module 3 mm and pressure angle 20 meah esternally to give a velocity ratio of 3 For this mechaniam, the pirnion runs at 75 rpm and addendum is equal to one module.For these condetions compute: t- The number of teeth on each gear so that interfarance is just avoided. 2 The length of path and arc of contact. 3 The number of pairs of teeth in contact. + The maximum value of siding velocity. S the transmited power is 5 KW, what is the acpled torque on pirion and wheel.
7. A typical drive train for a 'geared' bicycle meant to be used on paved road (see a representative image) has 48 teeth on front sprocket (Crank side), the diameter of front sprocket being 10.5 inches. The rear wheel has a cassette with a cluster of 6 sprockets, with number of teeth on Sprocket #1 (lowest gear) to Sprocket # 6 (highest gear) being 30, 26, 23, 20, 16 and 12, respectively. (Ignore wind resistance and friction between machine elements) (a) If the rider is pedaling at a constant 105 rpm with an effective force of 28 lb acting on periphery of front Sprocket (at 5.25 inch radius length, the force location indicated by red arrow), and is engaged in Sprocket #5, what would be the torque acting on Sprocket # 5, and the RPM at which the rear wheel is spinning? (b) For the condition as described in (a), If the diameter of wheels is 26 inches, what is the speed of the bicycle? &
The following particulars of a sıngle reduction spur gear are given. gear ratio = 10 to 1, dıstance between centres = 660 mm, approximately , pınion transmits 500 kW at 1800 rev/min, involute teeth of standard proportions (addendum = m) with pressure angle of 22,5°, permissıble normal pressure between teeth = 175 N per mm of width Determine 41 the nearest standard module if no interference is to occur, 42 the number of teeth in each wheel, 43 the necessary width of the pinion, and 44 the loads on the bearngs of the wheels due to the power transmitted