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Stiction

Stiction is a combination of the words stick and friction. Stiction exists when the static (starting) friction exceeds the dynamic (moving) friction. An example of stiction would be a shaft sticking when small changes are attempted, requiring a larger input force to initiate movement. The result is that the force required to start the shaft moving is more than what is needed to go to the desired shaft position, causing the movement to be jerky.

     Published in Glossary