Q2/ Two mating involute spur gears of 20* pressure angle have a gear ratio of 2. The numberof teeth on the pinion is 20 and its speed is 250 r.p.m. The module pitch of teeth is 10 mm. Ifthe addendum on cach wheel is such that the path of approach and the path of recess on cachside are half the maximum possible length each, find: i) the addendum for pinion and gearwheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approachand recess. Assume pinion to be driver.

Find the pitch radius for the pinion and gear wheel as follows.

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 he addendum on cach wheel is such that the path of approach and the path of recess on cach ide are half the maximum possible length each, find: i) the addendum for pinion and gear vheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approach und recess. Assume pinion to be driver.

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 he addendum on cach wheel is such that the path of approach and the path of recess on cach ide are half the maximum possible length each, find: i) the addendum for pinion and gear vheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approach und recess. Assume pinion to be driver.

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

See similar textbooks

Similar questions

The motion transmitted between the teeth of gears in mesh is *
The total conversion rate of a two-stage gearbox is 53, the conversion rate of the second stage is 1.5 times the conversion rate of the first stage. If the number of teeth of the gear mounted on the input shaft is z1=27 and the number of teeth of the pinion of the second stage is z3=33, how many teeth are the gear z2 of the first stage?
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.
8.7 A pair of involute gears with 16° pressure angle and 6 mm module is in mesh. The number of teeth on pinion is 16 and its rotational speed is 240 r.p.m. When the gear ratio is just 1.75, find, in order that the interference is just avoided, (a) the addenda on pinion and gear wheel (b) the length of path of contact, and (d) the maximum velocity of sliding of teeth on either side of the pitch point. (DAV Indore, 1989) (Ans. a, 9.6 mm; a 4.2 mm; 35.41 mm; V = 95.58 cm/s) %3D
Find the diameter of each gear using one simple gear train with 4 gears that work as a speed reducer with a ratio of 5:1 Input of 100 rpm, Output of 20 rpm. Consider number of teeth as: N1=20 N2=40 N3=80 N4=100 Use module of 2
Two meshing spur gears with 20° pressure angle have a module of 4 mm. The centre distance is 220 mm andthe number ofteethonthe pinionis 40. What shouldbethe new centre distance so that pressure angle is increased to 22°?
The following data is for two meshing gears Velocity ratio=0.5 Module =5 mm, Pressure angle =20° Centre distance = 250 mm Determine the number of teeth and the base circle radius of the gear wheel.
A pair of gear/pinion of 42 tooth and 18 tooth with a diametral pitch of 0.7874 teeth/cm and the addendum is 0.8/p and dedendum 1/p. The gear pressure angle is 200 . Compute the center distance of the pair of gears in meters.
7. The following data relate to a pair of 20° involute gears in mesh : Module = 6 mm, Number of teeth on pinion = 17, Number of teeth on gear = 49; Addenda on pinion and gear wheel = 1 module. Find : (a) The number of pairs of teeth in contact (b) The angle turned through by the pinion and the gear wheel when one pair of teeth is in contact (c) The ratio of sliding to rolling motion when the tip of a tooth on the larger wheel (i) is just making contact (ii) is just leaving contact with its mating tooth (iii) is at the pitch point.
Epicyclic gear box is shown in Figure.2, the gear box has outer gear C with 120 teeth, B has 50, D has 50 and E has 120.1. Calculate the gear box ratio2. Find the output speed and holding torque of the gear box, if the input gear has 1570 ??? clockwise, the input power 28.5 ?? and the efficiency is 85.5%3. You have engaged in open discussion in which you have to evaluate the conditions needed for an epicyclic gear train to become a differential. Using appropriate schematic and hand sketch show how a differential works in this application. Also, explain what needed to convert the gearbox in Figure.3 to Simple epicyclic differential
Q) Two mating gears have 20 and 40 involute teeth of module 10 mm and 20° pressure angle. If the addendum on each wheel is such that the path of contact is maximum and interference are just avoided, find the addendum of the wheel?
In a single-stage gear wheel system with an evolvent profile, the rotating (driveThe number of teeth of the gear is Z1=10, the number of teeth of the rotated gear is Z2=20 and the modulus is m=5 mm; The rotating gear rotates clockwise.a) By calculating gear sizes; Draw in 1:1 scale.