Problem 2A speed-reducer gearbox containing a compound reverted gear train transmits 35horsepower with an input speed of 1200 rev/min. Spur gears with 20• pressure angleare used, with 16 teeth on each of the small gears and 48 teeth on each of the largergears. A diametral pitch of 10 teeth/in is proposed.(a) Determine the speeds of the intermediate and output shafts.(b) Determine the pitch line velocities (in ft/min) for each set of gears.(c) Determine the magnitudes of the tangential, radial, and total forces transmittedbetween eachset of gears.(d) Determine the input torque.(e) Determine the output torque, neglecting frictional losses.

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Answered: speed-reducer gearbox containing a…

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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4. A pair of spur gears with a centre distance of 495 mm is used for a speed reduction of 4.5:1. The module is 6 mm. Calculate the number of teeth on the pinion and the gear.
Required information A gearbox with a compound reverted gear train transmits 25 horsepower with an input speed of 2500 rev/min. Spur gears with a diametral pitch of 4 teeth/in anda 20° pressure angle are used with 15 teeth on the each of the small gears and 44 teeth on each of the larger gears. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Determine the output torque, neglecting frictional losses. The output torque To is Ibf-in.
A pair of helical gears are machined with a hob. The hob has a 20 degree pressure angle and machines circular pitch of 0.55 inch/tooth on a spur gear. Two gears are machined, the pinion has 18 teeth and the gear has 36 teeth. The measured transverse diametral pitch on the pinion is 5 inch/tooth. The pinion transmits 10 hp at 1,000 rpm. Calculate the center distance of the gearset, in inches
Helical Gears, Bevel Gears, and Wormgearing 2
A pair of helical gears are machined with a hob. The hob has a 20 degree pressure angle and machines circular pitch of 0.55 inch/tooth on a spur gear. Two gears are machined, the pinion has 18 teeth and the gear has 36 teeth. The measured transverse diametral pitch on the pinion is 5 inch/tooth. The pinion transmits 10 hp at 1,000 rpm. Calculate the helix angle of the gearset, in degrees.
1. To avoid the problem of interference in a pair of spur gears using a 20° pressure angle, specify the minimum number of teeth allowed on the pinion (Np.act) for each of the following gear ratios, and the corresponding maximum number of teeth on meshing gear (NG,act). Assume full depth tooth. a. 1.25 to 1 b. 1.6 to 1 c. 2.5 to 1 d. 3.2 to 1 2. Repeat problem 1 for helical gears with normal pressure angle of 20° and helix angle of 30°.
Two straight-toothed bevel gears mesh with a shaft angle of 90° and a diametral pitch of 5. The pinion has 20 teeth, and the gear ratio is 2:1. The addendum and dedendum are the same as for 20 stub teeth. For the gear, determine the pitch radius, cone angle, outside diameter, cone distance, and face width.
Compute the values for all the geometrical features for a pair of straight bevel gears having a diametral pitch of 8, a 20° pressure angle, 16 teeth in the pinion, and 48 teeth in the gear. Specify a suitable face width. The shafts are at 90°. tad wo m that ratates at1750 com
A pair of helical gears are machined with a hob. The hob has a 20 degree pressure angle and machines circular pitch of 0.55 inch/tooth on a spur gear. Two gears are machined, the pinion has 18 teeth and the gear has 36 teeth. The measured transverse diametral pitch on the pinion is 5 inch/tooth. The pinion transmits 10 hp at 1,795 rpm. Calculate the pinion axial force in lbf.
Provide the complete step-by-step solution, given data, conversion of units, and sketch for this problem. A turbine at 30,000 rpm is used to drive a reduction gear delivering 3 hp at 3,000rpm. The gears are 20 degrees involute herringbone gears of 28 pitch and 2 1/8 ineffective width. The pinion has 20 teeth with a helix angle of 23 deg. Determine theload normal to the tooth surface. A. 20.4 lbs B. 24.4 lbs C. 28.4 lbs D. 32.4
2. Compute module, clearance, backlash and whole depth for 20° involute gears allowed for meshing spur gears with a circular pitch of diametral pitch of 20. The spur gear has 25 teeth.

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