Principal Directions
Principal directions are directions in the pitch plane, and correspond to the principal cross sections of a tooth.
The axial direction is a direction parallel to an axis.
The transverse direction is a direction within a transverse plane.
The normal direction is a direction within a normal plane.
Read more about this topic: List Of Gear Nomenclature
Famous quotes containing the words principal and/or directions:
“In our country today, very few children are raised to believe that their principal destiny is to serve their family, their country, or God.”
—Benjamin Spock (b. 1903)
“The traditional husband/father has always made choices concerning career, life-styles, values, and directions for the whole family, but he generally had another person on the team—called a wife. And his duties were always clear: Bring home the bacon and take out the garbage.”
—Donna N. Douglass (20th century)