a: Worm gear ~
b: a screw thread
What: "The worm gear is like a screw thread and simple types only have one tooth which travels around the body in a spiral fashion." The link has a nice picture.
Useful?
Writer: Not
LCC:
Where:
http://design-technology-in-stem.x10.mx/03%20Mechanisms/3%20Gearatios/Gears2AssandFU/Gears2.1FU.html
Date: Oct 2 2013 12:33 PM
# 3737 Critique Analogy