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.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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
Transcribed Image Text: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
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