8)A 35 kW motor running at 1200 r.p.m. drives a compressor at 780 r.p.m through a 90° bevel gearing arrangement. The pinion has 30 teeth. The pressure angle of teeth is 14 1/2°. The wheels are capable of withstanding a dynamic stress, 280 140 MPа, %3D 280 +v where v is the pitch line speed in m/ min. The form factor for teeth may be taken as: 0.686 0.124 - TE pitch cone. Determine for the pinion, the module pitch, face width, addendum, dedendum, outside diameter and slant height. where TE is the number of teeth equivalent of a spur gear. The face width may be taken as % of the slant height of

8)A 35 kW motor running at 1200 r.p.m. drives a compressor at 780 r.p.m through a 90° bevel gearing arrangement. The pinion has 30 teeth. The pressure angle of teeth is 14 1/2°. The wheels are capable of withstanding a dynamic stress, 280 140 MPа, %3D 280 +v where v is the pitch line speed in m/ min. The form factor for teeth may be taken as: 0.686 0.124 - TE pitch cone. Determine for the pinion, the module pitch, face width, addendum, dedendum, outside diameter and slant height. where TE is the number of teeth equivalent of a spur gear. The face width may be taken as % of the slant height of

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 pair of Straight teeth spur geard, having 2ó involutek full depth teerh is to halee tyanj mitted Power 12 KW at 30e rpm of the Pinich. The speed ratío is 3. The allowable s tati'c StYesse) for gear of cast brom and Pinion of steel are 6o Mpa and lo5 Mpa, respectilely. Assume the number of teeth Pinion as 16 and face width as 14 times of tha module. A SSume Steedy load Conditng and 8-10 hours of service per day. Given: be=84 Mpa, Ges=6o0 MPa, C=80,E, = 200000 HPa , Ea ノ HPa 4.5 4.5+e
OL Two involute gears of 20 pressure angie are in mesh. The nomber of teeth on pinion is 20 and the gear ratio is 2. If the pitch expressed in module is 5 mm and the pitch line speed is 1.2 m/s, assuming addendum as standard and equal to one module, find: 1 The angle turnad through by pinion when one pair of teeth is in mesh; and 2 The maximum veloctty of sitding
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
Q2+ State advkatages of Cycloidal In volute profile as a gear tooth prfie.
A simple gear train of 30 and 50 teeth for pinion and gear wheel respectively, is used to drive an electric wheelchair at a velocity that is double the maximum velocity slip. The pinion has an equal addendum as the gear wheel, a module of 3 mm, and a pressure angle of 14,5. The wheelchair has a maximum velocity of 5 m/s when it's pinion rotates at 800 rpm. Calculate : 1.1)The magnitude of the velocity of slip of gears in mesh 1.2)The angular speed of the gear wheel in rad/s 1.3)The maximum length of a path of the approach in mm 1.4)The length of a path of a recess in mm. 1.5) The addendum of the gears in mm. 1.6) The contact ratio
Qv quality number for camberless straight bevel pinion gear with 20 teeth and a modulus of 4 mmis 6. Made of 1st quality steel, with a hardness of 300 HB, the pinion and the reciprocating gear are completelyhardened. The rotated gear has 60 teeth. Pinion life is 109 cycles and reliabilitycoefficient is 0.999. Shaft angle is 90o, pinion rotation speed is 900 rpm. Tooth width 32 mm andThe normal pressure angle is 20o. Based on AGMA bending strength, the strength of the gear systemcalculate. Load factor Ko =1, safety factor SF =1.
A gear set consists of a full depth 20-tooth pinion driving a 40- tooth pinion. The module of the set is 2.25mm/tooth and pinion is running with 1750 rpm and transmit 25 KW. If the pressure angle used is 20° and the center distance was incorrectly made 3mm in larger, compute the contact force between teeth.
A simple gear train of 30 and 50 teeth for pinion and gear wheel respectively,is used to drive an electric wheelchair at a velocity that is double the maximum velocity of slip. The pinion has an equal addendum as the gear wheel, a module of 3 mm, and a pressure angle of 14.5o. The wheelchair has a maximum velocity of 5 m/s when its pinion rotates at 800 r.p.m. Calculate: 1.1. The magnitude of the velocity of slip of gears in mesh. (2)1.2. The angular speed of the gear wheel in rad/s. (4)1.3. The maximum length of a path of the approach in mm. (2)1.4. The length of a path of a recess in mm. (7)1.5. The addendum of the gears in mm. (7)1.6. The contact ratio.
A 10 pitch pinion with 20 teeth mates with a gear having 80 teeth The pinion rotates at 3,000 RPM. The gear pair is to be installed in a rectangular housing where a minimum of 0.20 in clearance botween the gears and housing is requirod. Specify the dimensions X and Y as shown in tho figure below Note: This question requires a file attachinent, which can be pdf, ipeg. word, excol or power point. Show all your calculations. Handwritten calculations are acceptable. 0.20 in 0.20 In 0.20 in GEAR PINION N, 20
A simple gear train of 30 and 50 teeth for pinion and gear wheel respectively, is used to drive an electric wheelchair at a velocity that is double the maximum velocity of slip. The pinion has an equal addendum as the gear wheel, a module of 3 mm, and a pressure angle of 14.5o. The wheelchair has a maximum velocity of 5 m/s when its pinion rotates at 800 r.p.m. Calculate The contact ratio.
Q2 A commercial enclosed gear drive is to be designed. Initially, the following is specified. The drive is to transmit 9.6 kW with an input pinion speed of 350 rev/min. The drive is to consist of two spur gears, with a 20° pressure angle, and the pinion is to have 20 teeth driving a 64-tooth gear. The pinion is made to be Grade 1 nitraded though hardened steel at 254 Brinell. The gear is made to be Grade 3 carburized and hardened steel at 284 Brinell. Both gears made to No. 6 quality standards. The gears will be uncrowned, centered on their shafts between bearings. A pinion life of 19232 cycles is desired, with a 99.99 per cent reliability. Analysis gears stress (bending and pitting) according to the AGMA approach and the corresponding factor of safety.
A simple gear train of 30 and 50 teeth for pinion and gear wheel respectively, is used to drive an electric wheelchair at a velocity that is double the maximum velocity of slip. The pinion has an equal addendum as the gear wheel, a module of 3 mm, and a pressure angle of 14.5°. The wheelchair has a maximum velocity of 5 m/s when its pinion rotates at 800 r.p.m. Calculate: 1.4. The length of a path of a recess in mm.