(b)A pair of 14.5 degree full depth spur gears are used to transmit 20kW between shafts 40 cm apart running at 1440 rp.m and 360 r.p.m respectively. The allowable stress and BHN are 600 MN/m, 160 and 550 MN/mm 140 respectively for the pinion and gear. Find the module, number ot teeth and face width. CheCk tor wear.

(b)A pair of 14.5 degree full depth spur gears are used to transmit 20kW between shafts 40 cm apart running at 1440 rp.m and 360 r.p.m respectively. The allowable stress and BHN are 600 MN/m, 160 and 550 MN/mm 140 respectively for the pinion and gear. Find the module, number ot teeth and face width. CheCk tor wear.

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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pair of 14.5 degree full depth spur gears are used to transmit 20kW between shafts 40 cm apart running at 1440 rp.m and 360 r.p.m respectively. The allowable stress and BHN are 600 MN/m, 160 and 550 MN/mm 140 respectively for the pinion and gear. Find the module, number ot teeth and face width. CheCk tor wear.
1) A pair of cast iron bevel gears connect two shafts at right angles. The pitch diameters of the pinion and gear are 80 mm and 100 mm respectively. The tooth profiles of the gears are of 14 1/2° composite form. The allowable static stress for both the gears is 55 MPa. If the pinion transmits 2.75 kW at 1100 r.p.m., find the module and number of teeth on each gear from the standpoint of strength and check the design from the standpoint of wear. Take surface endurance limit as 630 MPa and modulus of elasticity for cast iron as 84 kN/mm². A0a& ENG 1222/20 nere to search
Two cqual involute gear wheels of 40 teeth each, 3 mm module and 20° pressures angleare in mesh. Determine the minimum addendum if 2 pairs of teeth are always in mesh.The gear wheels rotate at 750 r.p.m. and transmit 4.6 kW. Find the normal force at eachpair assuming equal direction of load between the pairs. Neglect friction.
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The solid steel shaft is supported by the frictionless customer on D and E. This system The mile provided 5 kW of power in w dev / second and was connected to a motor at C. wwww ww www ww ww www wwwm www w A and B If gears get primary 2 kW and 3 kW, determine the minimum shaft diameter. w rotation speed and The safety shear stress is known and is included in the table below. pictures. wwww ww wwwwwwwww www wwwwww wwwwwwww wwwwwwwww w(cycle/second) = 100 tem(Mpa) = 40 3 kW 5 kW 2 kW A D B E C _
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8.10 Two equal involute gear wheels of 40 teeth each, 3 mm module and 20° pressures angle are in mesh. Determine the minimum addendum if 2 pairs of teeth are always in mesh. The gear wheels rotate at 750 r.p.m. and transmit 4.6 kW. Find the normal force at each pair assuming equal direction of load between the pairs. Neglect friction.
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