Normal module is the value of the module in a normal plane of a helical gear or worm.
Read more about this topic: List Of Gear Nomenclature
Famous quotes containing the word normal:
“You have promise, Mlle. Dubois, but you must choose between an operatic career and what is usually called a normal life. Though why it is so called is beyond me.”
—Eric Taylor, Leroux, and Arthur Lubin. M. Villeneuve (Frank Puglia)