In case of spur gears the flank of the tooth is
A)The surface of the top of the tooth
B)The part of the tooth surface lying below the pitch surface
C)The curve forming face and flank
D)Radius that connects in the root circle to the profile of the tooth
E)The width of the gear tooth measured axially along the pitch surface

Question

Quizplus · Accepted Answer

The flank of a spur gear tooth is the part of the tooth surface that lies below the pitch surface, which is the imaginary surface that rolls without slipping with a pitch surface of another gear.

In Case of Spur Gears the Flank of the Tooth