+1 vote
in Machine Kinematics by (38.0k points)
In the case of spur gears, the mating teeth execute pure rolling motion with respect to each other from the commencement of engagement to its termination.

(a) True

(b) False

I have been asked this question at a job interview.

My enquiry is from Contact Ratio topic in portion Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
Correct answer is (a) True

The explanation is: The involute profiles of the mating teeth are conjugate profiles which obey the law of gearing.

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