Cams Flashcards
What do rotary systems do?
They drive mechanisms in machinery and equipment
What is a camshaft used for?
A rotating axle called a camshaft is used to drive or is driven by other mechanical components
What are cams?
Cams are shaped pieces of material that are attached to the camshaft
Cams change rotary motion into reciprocating motion through a _____
Follower
Eccentric cam
The eccentric cam is round with the shaft positioned off centre and has a steady rise and fall
Pear cam
The pear cam is named after its shape and has a rapid rise and fall with a long dwell period (this means time at rest)
Snail or drop cam
The snail cam has a long dwell then a steady rise and a sudden drop and will only work in one direction.