1
Q
What is a cam?
A
Changes the input motion to a reciprocating motion of the follower, usually in a rotary motion
2
Q
Name the 4 cam profiles
A
Pear
Circular
Snail
Heart
3
Q
What motion does the pear cam cause?
A
1/2 time is stationary
4
Q
Where is a pear cam used?
A
Car shafts
5
Q
What motion does the circular cam cause?
A
Smooth motion
6
Q
Where is a circular cam used?
A
Steam engines
7
Q
What motion does the snail cam cause?
A
Sudden drop after peak
Can only go one way
8
Q
What motion does the heart cam cause?
A
Rise and fall at a uniform velocity
9
Q
Where is a heart cam used?
A
Sewing machines
Edexcel AS Product Design - Components
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