Third Experiment - Compound Epicyclic Gear Driver pulley at gear set 2: Stationary gear = ring gear Follower pulley at gear set 1: Stationary gear = planet gear Table 3 Driver Pulley Follower Pulley Deg./Direction 90 180 270 360 Revolution ½ ½ % 1 Deg/Direction 65 130 196 263 Revolution 13/72 13/36 49/90 263/360 Velovity Ratio

Third Experiment - Compound Epicyclic Gear Driver pulley at gear set 2: Stationary gear = ring gear Follower pulley at gear set 1: Stationary gear = planet gear Table 3 Driver Pulley Follower Pulley Deg./Direction 90 180 270 360 Revolution ½ ½ % 1 Deg/Direction 65 130 196 263 Revolution 13/72 13/36 49/90 263/360 Velovity Ratio

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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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.
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.
Please answer this ASAP,i need the answer in 45 min,mechanical engineering task,thx The pinion transmits 400 horsepower at 2000 rpm from a wheel single reduction straight gear. The center distance is close to 60 cm with a gear ratio of 10:1. Addendum = m with a pressure angle of 22.5o , normal pressure between teeth = 180 N/mm width. count : the closest module; the number of teeth on each wheel; pinion width
Need answer as well as soon Only typed answer needed Handwritten answer not allow There is a helical gear with a right angle module 3mm, a pressure angle of 20°, an inner width of 75 mm, a torsion angle of 25°, the number of pinion teeth 32, rotation angular speed 620rpm, and the number of teeth of the gear 75. If the material of the pinion and gear is SM25C (H b=150], what is the maximum transmission power?[Answer; 4.36 kw]
1 A 1. When J is fixed: NA – No -72 N, – No Figure 4. schematic diagram of epicyclic gear apparatus 24 where (72/24) is the teeth ratio of the apparatus gear, then: NA – No 0 - No -72 = -3 24 NA – No = 3NQ NA = 4NQ %3D NA = 4 (1) NQ 2. When F is fixed: NA = 25 (2) NQ Question: Prove that the speed ratio is (2) when F is fixed.
(a) Two involute gears of _pressure angle are in mesh. The number of teeth on pinion is 20 and the gear ratio is_. If the pitch expressed in module is 5 mm and the pitch line speed is_m/s, assuming addendum as standard and equal to one module, find : 1. The angle turned through by pinion when one pair of teeth is in mesh 2. The maximum velocity of sliding. D=30 G= 2 V=1.4m/sec
10. For the following gear train, if the speed of the input shaft is 1500 and the rotational direction of the output shaft. ham 28 o dibly sort Input B Q D E Gened be H Output find the speed [Fall 2019, Quiz 2] rpm CW, NA=20, m=1.5 DB=75 mm Dc=30 mm ND=40, m=1.5 NE=18, m=2 DF=60 mm NG=18, m=2 NH=30
Figure Q2-1 shows a schematic of the power train for 2012 Nissan Leaf pure electric cars, which includes a two stage gearbox (a compound train). The numbers of teeth of the gears in the gearbox are N1=N3=17, N2=31 and N4=74. The motor speed at an engine power of P = 80 kW is nmotor (n1) = 9,795 rpm. N2=31 T 2012 LEAF Driveline from Motor to Axle: 17T 31T N1=N3 =17 T 17T 74 T - Wheels I N4=74 T Motor Figure Q2-1 What are the necessary and sufficient requirements for the two stage gearbox to mesh properly for power transmission? i) Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4 on the axle of the driven wheels. Neglect power loss of the gearbox. ii) nmotor(n1)=9,795 rpm in kilometre per hour? You may assume the diameter of the wheels to be D = Ø600 mm. What is the speed of the Nissan Leaf car when the motor speed is at AXLE AXLE
In a single-stage gearbox consisting of helical gear pairs, input speed ng= 900 rpm, input power P1=16 kW, the number of teeth of the pinion gear z1= 20, the number of teeth of the second gear wheel z2= 61. gear wheelmaterial is 20MnCr5, for this material: σem=230 N/mm2, pem=1500 N/mm2 and E= 2.1.105 N/mm2is (Helix angle: β=180; grip angle: α=200; factor of safety: S=1.5; form factor: Kfn=2.7; dynamic loadfactor: Kd=1.25; width factor: ψm=12; clutch ratio: ε = 1.6). (20p)a) Calculate the modulus of the gear pair.Module according to root fracture:(p1)Module according to tooth surface crushing:(p2)(Standard module values: 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4 – 5 – 6 – 7 – 8 mm)b) Dimension the gears (Diameters of section circle, head circle and base circle, distance between axes). Pay attention the units
|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.
Straight bevel gears are mainly used to change the change the rotation axis of intersecting shafts. You work as a maintenance engineer for a food packaging company and your supervisor asked you to accurately calculate the dimensions for a set of straight bevel gears used in one of the differential gearboxes at the facility. The gear type is an uncrowned straight-bevel pinion has 22 teeth, a module of 4.5 mm, and a transmission accuracy number of 5. The pinion and the gear are made of through-hardened steel, both having core and case hardnesses of 210 Brinell. The pinion drives the 24-tooth bevel gear. The shaft angle is 90°, the pinion speed is 1600 rev/min, the face width is 23 mm, and the normal pressure angle is 20°. Both gears have an outboard mounting. Find: a) The power rating based on AGMA pitting resistance if the life goal is 10° revolutions of the pinion at 0.98 reliability.
The following data refer to two meshing involute gears of 20° pressure angle: Number of teeth on pinion 20, speed ratio = 2, speed of pinion = 250 rpm, module = 12 mm The addendum of each wheel is such that the path of approach and path of recess on each side are half of the maximum possible length. 1) Illustrate the value of addendum for both wheels, 2) Identify the length of arc of contact, and, 3) Formulate the free body diagrams for wheels in connection.