Calculate the power that can be transmitted safely by a pair of spur gears with the data given below. Calculate also the bending stresses induced in the two wheels when the pair transmits this power. Number of teeth in the pinion = 20 Number of teeth in the gear = 80 = 4 mm = 60 mm = 20° involute Module Width of teeth Tooth profile Allowable bending strength of the material = 200 MPa, for pinion = 160 MPa, for gear = 400 r.p.m. = 0.8 Speed of the pinion Service factor 0.912 = 0.154 т Lewis form factor %3D 3 Velocity factor 3 + v

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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1. Calculate the power that can be transmitted safely by a pair of spur gears with the data given below.
Calculate also the bending stresses induced in the two wheels when the pair transmits this power.
Number of teeth in the pinion
= 20
Number of teeth in the gear
= 80
Module
= 4 mm
Width of teeth
= 60 mm
Tooth profile
= 20° involute
Allowable bending strength of the material
= 200 MPa, for pinion
= 160 MPa, for gear
= 400 r.p.m.
Speed of the pinion
Service factor
= 0.8
0.912
0.154-
T
Lewis form factor
%3D
3
Velocity factor
3 + v
Transcribed Image Text:1. Calculate the power that can be transmitted safely by a pair of spur gears with the data given below. Calculate also the bending stresses induced in the two wheels when the pair transmits this power. Number of teeth in the pinion = 20 Number of teeth in the gear = 80 Module = 4 mm Width of teeth = 60 mm Tooth profile = 20° involute Allowable bending strength of the material = 200 MPa, for pinion = 160 MPa, for gear = 400 r.p.m. Speed of the pinion Service factor = 0.8 0.912 0.154- T Lewis form factor %3D 3 Velocity factor 3 + v
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