Motion Flashcards
What type of motion goes in one direction only?
Linear motion
What type of motion goes back and forth?
Reciprocating motion
What type of motion goes in circles?
Rotary motion
What type of motion swings back and forth?
Oscillating motion
What does a mechanism have?
- an input, process and output
- the ability to change direction in which a force acts
- the ability to change the size of the force
- the ability to change the place where the force acts
An input of a mechanism is….
The change of condition that will influence the output
The process of a mechanism is….
The transfer of information provided by the input to the output
The output of a mechanism is….
A predictable end result produced by the input
What is a class one mechanism?
Load Effort
_______________________
Fulcrum
Example : the workman uses the trolley to carry the load
What is a class two mechanism?
. Effort
________________________________
Fulcrum Load
Example : the gardener uses the wheelbarrow to carry the load
What is a class three mechanism?
. Effort
__________________________________
Load Fulcrum
Example : the fisherman catches the load
What does one cycle mean?
One rotation/revolution of the CAM
What does dwell mean?
When the CAM rotates but the follower doesn’t rise or fall
What does rise mean?
The part of the CAM that causes the follower to rise
What does fall mean?
The part of the CAM that causes the follower to fall