Eccentric Cylinder and Tappet Drive
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A cylinder rotates around an axis offset from its own axis. As the cylinder rotates, the distance of its surface to the axis of rotation varies depending on the eccentricity, causing a tappet with a rod pushed against the cylinder's surface to move up and down. This arrangement converts rotary motion to alternating linear motion.
Contributed by: Sándor Kabai (September 2008)
Open content licensed under CC BY-NC-SA
"Eccentric Cylinder and Tappet Drive"
Wolfram Demonstrations Project
Published: September 2 2008