A pair of bevel gears, with 20° pressure angle, consists of a 20 teeth pinion meshing with a 30 teeth gear. The module is 4 mm, while the face width is 20 mm. The material for the pinion and gear is steel 50C4 (S, The gear teeth are lapped and ground (Class-3) and the surface hardness is 400 BHN. The pinion rotates at 500 rpm and receives 2.5 kW power from the electric motor. The starting torque of the motor is 150% of the rated torque. Determine the factor of safety against bending failure and against pitting failure. = 750 N/mm?).

A pair of bevel gears, with 20° pressure angle, consists of a 20 teeth pinion meshing with a 30 teeth gear. The module is 4 mm, while the face width is 20 mm. The material for the pinion and gear is steel 50C4 (S, The gear teeth are lapped and ground (Class-3) and the surface hardness is 400 BHN. The pinion rotates at 500 rpm and receives 2.5 kW power from the electric motor. The starting torque of the motor is 150% of the rated torque. Determine the factor of safety against bending failure and against pitting failure. = 750 N/mm?).

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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Conservation of Energy

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Question

A pair of bevel gears, with 20°
pressure angle, consists of a 20 teeth pinion
meshing with a 30 teeth gear. The module is 4 mm,
while the face width is 20 mm. The material for the
pinion and gear is steel 50C4 (S
The gear teeth are lapped and ground (Class-3)
and the surface hardness is 400 BHN. The pinion
rotates at 500 rpm and receives 2.5 kW power from
the electric motor. The starting torque of the motor
is 150% of the rated torque. Determine the factor
of safety against bending failure and against pitting
failure.
= 750 N/mm²).

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