Notes for B3.3.5 Cam and follower systems - IB | RevisionDojo
B3.3.5 Cam and follower systems Notes
Cam and Follower Systems
Definition
Cam
A mechanical part that converts rotational motion into linear motion.
Definition
Follower
A mechanical component that moves in response to a cam’s shape, converting rotary motion into linear (reciprocating) motion.
Cams and followers are essential components in mechanical systems, used to convert rotary motion into reciprocating motion.
This transformation is crucial in various applications, from automotive engines to industrial machinery.
Note
The cam's shape determines the follower's motion, making it a critical design element in mechanical systems.
Analyzing Cam Systems
Cam Profile: The shape of the cam determines the follower's motion.
Follower Motion: The follower's path can be:
Rise: The follower moves upward.
Fall: The follower moves downward.
Dwell: The follower remains stationary.
Displacement Diagram
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Note
Introduction to Cams and Followers
A cam is a mechanical part that converts rotational motion into linear motion.
A follower is a mechanical component that moves in response to a cam’s shape, converting rotary motion into linear (reciprocating) motion.
AnalogyThink of a cam and follower like a roller coaster track (cam) and the car (follower) that moves along it. The shape of the track determines how the car moves.
DefinitionCamA mechanical part that converts rotational motion into linear motion.
DefinitionFollowerA mechanical component that moves in response to a cam’s shape, converting rotary motion into linear (reciprocating) motion.
ExampleCams and followers are used in car engines to control the opening and closing of valves.
NoteThe cam's shape determines the follower's motion, making it a critical design element in mechanical systems.
