iformly loaded conveyor with a required shaft speed of approximately 531 r/min. Use a pinion 18 teeth, a pressure angle of 200. and a gear with 50 teeth. Both gears will be made from dened through grade 2 steel, while the Brinell hardness of the pinion and gear will be 160 J. The gears are to be manufactured to a number 9 AGMA quality standard while the teeth uncrowned. The module of the gears is 5 mm, and the face width is 20 mm. The gears are ddle mounted within a precision enclosed gear unit. Assume a pinion life of 108 cycles and a bility of 90 %.

iformly loaded conveyor with a required shaft speed of approximately 531 r/min. Use a pinion 18 teeth, a pressure angle of 200. and a gear with 50 teeth. Both gears will be made from dened through grade 2 steel, while the Brinell hardness of the pinion and gear will be 160 J. The gears are to be manufactured to a number 9 AGMA quality standard while the teeth uncrowned. The module of the gears is 5 mm, and the face width is 20 mm. The gears are ddle mounted within a precision enclosed gear unit. Assume a pinion life of 108 cycles and a bility of 90 %.

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

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.
Asap
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 pair of helical gears mounted on parallel shafts have P, = 6, d, - 20°, and b= 4 in. The 32-tooth pinion and 48-tooth gear are made of steel having 400 Bhn and 350 Bhn, respectively. Manufacturing precision corresponds to curve C of Velocity factor chart. Use a mounting factor of 1.6. Center distance is 7.5 in. 1. What helix angle is required? 2. Estimate the horsepower that can be transmitted for 10 pinion revolutions with 99% reliability and a safety factor of 1.5 if the driving motor rotates 1200 rpm and involyes light shock and the driven load involves medium shock. Check for bending fatigue only.
2. A spur gear made of bronze drives a mid steel pinion with angular velocity ratio of 3, : 1. The pressure angle is 142. It transmits 5 kW at 1800 r.p.m. of pinion. Considering only strength, design the smallest diameter gears and find also necessary face width. The number of teeth should not be less than 15 teeth on either gear. The elastic strength of bronze may be taken as 84 MPa and of steel as 105 MPa. Lewis factor for 142 pressure angle may be taken as 0.684 0.124 - y = No. of teeth
QUESTION 3 DETAILED GEARING A gear drive is proposed to connect a 30-KW electric motor, with a shaft speed of 1475 r/min, to a uniformly loaded conveyor with a required shaft speed of approximately 531 r/min. Use a pinion with 18 teeth, a pressure angle of 20. and a gear with 50 teeth. Both gears will be made from hardened through grade 2 steel, while the Brinell hardness of the pinion and gear will be 160 BHN. The gears are b be manufactured to a number 9 AGMA quality standard while the teeth are uncrowned. The module of the gears is 5 mm, and the face width is 20 mm. The gears are straddle mounted within a precision enclosed gear unit. Assume a pinion life of 10° cycles and a reliability of 90 %. 3.1 Determine the AGMA bending stress for the gear and pinion. 3.2 Determine the corresponding factors of safety for both the pinion and the gear. 3.3 Write the conclusion.
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
(b)A pair of straight bevel gears has a velocity ratio of 2:1. The pitch circle diameter of the pinion is 80 mm at the large end of the tooth.A5KW power is supplied to the pinion which rotates at 800 rp.m. The face width is 40 mm and the pressure angle is 20. Calculate the tangential ,radial and axial components of the resultant tooth force acting on the pinion
A spur gear reducer is to transmit 4 kW at 1500 rpm of the pinion of cast steel ( So=138 MPa). The gear is made from phosphor bronze (So=83 MPa). The velocity ratio is 3.5 to 1.0. Assume a pressure angle of 20°. Design the gears for strength only.
The client requires a single step-up spur gearbox to transmit a 10 kW power from a shaft rotating at 1000 rpm, while the output speed must be 1700 rpm. The material for gear and pinion is 817M40 and 655M13, respectively. Use table 6.10 on page 128 to select the suitable gear and pinion. If the pinion has 20 teeth, use the Lewis formula to determine the face width of thepinion and gear. Then, do one set of calculations and tabulate the answers.
A 20° spur pinion with 20 teeth transmits 120 W to a 36-tooth gear. The pinion speed is 100 rev/min, and the gears are grade 2, 18 mm face width, through-hardened steel at 200 Brinell, uncrowned, manufactured to a No. 10 quality standard, and considered to be of internal open gearing quality installation. If the AGMA bending stress = 50 Mpas, find the pinion and gear diameter, contact stress and the corresponding factors of safety for a pinion if its life is 10° cycles and a reliability of 0.85.use Kp=Kg=1l, K, = 1.115, Cpf =0.019 , Ko=1 and SI/S < 0.175?
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…