Please help with homework A compound spur gear train with teeth as indicated in thefigure with a module of 12mm and a pressure angle of 20° isused to transfer 25kW of power and a torque of 50 Nm from amotor when driving the input shaft (Shaft a) at a speed of2750 rpm.w4875187Calculate the:(a) Diameters of the different gears(b) Speed of the output shaft(c) Torque available on the output shaft327187

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Answered: A compound spur gear train with teeth…

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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6. Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 N m. The torque transmitted by the gear is (a) 6.6 Nm (6) 20 Nm (c) 40 Nm (d) 60 Nm.
A pickup truck is driving at a speed of 100 km/h on a leveled road. This truck has4 wheels of the same diameter of 400 mm and drives at a gear ratio of 5 to 1 ifits gearbox 5th gear is selected. The gear’s teeth are of involute form with amodule of 8 mm, an addendum is double the module, and the pressure angle isequal to 20° .1.1. If the driving shaft of the front wheels of the truck is connected to the output shaftof the gearbox, determine the number of teeth on the pinion to avoid interferenceand the corresponding number of teeth on the gear wheel.
speed reduction gear box consist of an SAE 4140 steel pinion mounted to a shaft on a 30 HP, 1750 rpm electric motor. The pinion drives a cast steel (with 0.25% carbon) gear with a speed reduction of 5:1. Assuming 20 degrees involute stub teeth and 16 teeth pinion, determine the pitch diameters. A. 2.67, 13.35 in B. 3.23, 15.43 in C. 2.50, 16.61 in D. 2.45, 20.11 in
Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 N-m. The torque transmitted by the gear is
A parallel shaft helical gear consists of a 20 dts drive pinion And a 96 driven gear. Both gears have a transverse diametrical pitch of 20 dts / in, a helix angle of 25 and a pressure angle on = 20 . The face width is 4 in., AND the gears are moving at 1600 ft / min, on the pitch line. The impeller is made of steel UNSG 10180 CD and without heat treatment; the driven one is made of grade 30 cast iron. Based on flexural strength calculations, evaluate the capacity or safe maximum power at hp. Consider general industrial service, and nG = 4.
A 70.74 hp motor turning at 2116 rpm is to deliver its power to a worm-gear reducer, whose velocity ratio is to be 25. The worm is shell type and has 3 threads; the worm and gear materials are 8 - High-test CI & High-test CI respectively. Provide the details for this pair of gears if the chosen circular pitch is 5/8. Assume Sn= 31,000 psi. For the diameter of the worm, use the proportion as provided by the equation for hell worms on page 437 of the book of FAIRES. Please answer those on the Table.
A gearbox is to be designed with a compound reverted gear train that transmits 25 horsepower with an input speed of 1000 rev/min. The output should deliver the power at a rotational speed in the range of 280 to 300 rev/min. Spur gears with 20° pressure angle are to be used. Determine suitable numbers of teeth for each gear, to minimize the gearbox size while providing an output speed within the specified range. Be sure to avoid an interference problem in the teeth. The suitable numbers of teeth for each gear to minimize the gearbox size while providing an output speed within the specified range are N2= N3= N4= N5= teeth teeth teeth teeth
Question 1 A pickup truck is driving at a speed of 100 km/h on a leveled road. This truck has4 wheels of the same diameter of 400 mm and drives at a gear ratio of 5 to 1 if its gearbox 5th gear is selected. The gear’s teeth are of involute form with a module of 8 mm, an addendum is double the module, and the pressure angle is equal to 20°. 1(a). If the driving shaft of the front wheels of the truck is connected to the output shaft of the gearbox, determine the number of teeth on the pinion to avoid interference and the corresponding number of teeth on the gear wheel. 1(b) Calculate the gear maximum velocity of sliding.
2 spur gears connected externally were produced having M-2.5. They were mounted on 2 different shafts with a center distance of 9cm. The speed ratio is 3:1. Using 14.5° determine the following: 1. Pitch Diameter (Driver Diameter) mm 2. Pitch Diameter (Driven Diameter) = mm 3. Number of Teeth (Driver) = teeth 4. Number of Teeth (Driven) = teeth 5. Circular Pitch = mm 6. Addendum = in 7. Clearance = in 8. Dedendum D in 9. Whole Depth in 10. Working Depth in %!
O It is required to design a pair of spur gears with 20° full-depth involute teeth. The input shaft rotates at 720 rpm and receives 5 kW power through a flexible coupling. The speed of the output shaft should be 144 rpm. The pinion as well as the gear are made of steel Fe 410 (S = 410 N/mm). The service factor.for the application is 1.25. The gears are machined to meet the specifications of Grade 6. ut [LO 6, 7] (i) Assume suitable number of teeth for the pinion and the gear. (ii) For preliminary calculations, assume the pitch line velocity as 5 m/s and the factor of safety as 2. Estimate the module and select the first preference value of the module. (iii) Using this value of the module, calculate the pitch circle diameters of the pinion and gear and the face width. (iv) Determine static load and the dynamic load by Buckingham's equation. Also calculate the beam strength and the correct value of factor of safety based on beam strength. (v) Using a factor of safety of 2 for wear…
Three 14.5° pressure angle spur gears with a diametral pitch of 8 are meshed. The input pinion on the left is running clockwise at 3101 rpm and transmits 3.2 Hp. Gear 1 (Pinion) Input N1 = 20 teeth Gear 2 Idler Gear 3 Output N3 = 25 teeth N2 = 75 teeth Answer the following: 1. Pinion (Gear 1) pitch diameter (1 mark) 2. Gear 2 pitch diameter (1 mark) 3. Gear 3 pitch diameter (1 mark) 4. Circular pitch (1 mark) 5. Addenda (1 mark) 6. Center distance from gear 1 to gear 3 (2 marks) 7. Line of action length for gear 1 contacting gear 2 (2 marks) 8. Contact ratio of gear 1 and 2 (2 marks) 9. Gear ratio from gear 1 to gear 3 (1 mark) 10. Draw a free-body diagram of Gear 2, showing the radial and tangential forces. Calculate these forces. What is the reaction force in the bearing? (3 marks)

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