RG20 mm Ans.n4EXERCISES1. Calculate the power that can be transmitted safely by a pair of spur gears with the data given below.Calculate also the bending stresses induced in the two wheels when the pair transmits this power.Number of teeth in the pinionNumber of teeth in the gear= 20 P= 80TG

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Answered: RG 20 mm Ans. n 4 EXERCISES 1.…

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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Helical Gears, Bevel Gears, and Wormgearing 2
Please help me finding this question. Power = 6 kW
1. Calculate the power that can be transmitted safely by a pair of spur gears with the data given below. Calculate also the bending stresses induced in the two wheels when the pair transmits this power. Number of teeth in the pinion = 20 Number of teeth in the gear = 80 Module = 4 mm Width of teeth = 60 mm Tooth profile = 20° involute Allowable bending strength of the material = 200 MPa, for pinion = 160 MPa, for gear = 400 r.p.m. Speed of the pinion Service factor = 0.8 0.912 0.154- T Lewis form factor %3D 3 Velocity factor 3 + v
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A straight bevel gear pair has the following data: Np 25; NG = 50: P, = 10: 20° pressure angle. If the gear pair is transmitting 3.5 hp, compute the forces on both the pinion and the gear. The pinion speed is 1250 rpm. The face width is 0.70 in. Compute the bending stress and the contact stress for the teeth, and specify a suitable material and heat treatment. The gears are driven by a gasoline engine, and the load is a conveyor providing moderate shock. Assume that neither gear is straddle- mounted.
Q1:- A pair of spur gears with 12 and 20 teeth are made with an involute form, pressure angle 20° and 5 mm module. (a) What should be the maximum addendum for the 20-tooth gear such that the interference is just avoided? (b) Using the addendum for the gear, find the addendum of the pinion which will result in a contact ratio of 1.4.
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1.Please design a pair of spur gears in the milling machine. It is known that power input is 7.5kW, Ni 1450r /min, and the %3D transmission ratio is required to be u = 2.08. F1. If there is slight impact, the supplementary conditions for trial design of this pair of gears: primary selection k = 1.8, number of smaller gear teeth Z1 = 26. The allowable stress and factors for material %3D is: [0]= 600 MPa, [o„]z= 599 MPa, [0,]ı= 220 MPa, [0,]= 213 MPa. E=1.693, Z, =1898/mpa Z„ = 2.5 K =1.25 Ky =1.1 K K =1.2 На K =1.35 Y =2.65, Y = 2.28 Y =1.58 Y =1.76 %3D Fa2 Fal sa1
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Select suitable gears for the gear wheels and pinion's for a gearbox required to transmit 17.75 kW from a shaft rotating at 2550rpm. The desired output speed is approximately 11925 rpm. For space limitation and standardization reasons, a double step-up gearbox is requested with equal ratios.Use the material '817M40'
A simple gear train has 2 spur gears. The input gear has 24 teeth and the output gear has 106 teeth. The input rotates at 1,556 rev/min clockwise. Calculate the gear ratio and the output speed in rev/min. The input torque is 17 15 Nm and the efficiency is 0.8465%. Use speeds from the previous question to calculate the absolute value of the holding torque in Nm.

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