Cams

Question 1

What does a CAM do? (Change)

Answer 1

It changes the input motion to a reciprocating motion of the follower

Question 2

Where are CAMS found?

Answer 2

In many machines and toys

Question 3

How many parts does a CAM have?

Answer 3

Two

Question 4

What are the parts of a CAM called?

Answer 4

‘Follower’ and ‘cam profile’

Question 5

What does ‘one cycle’ mean? Technology)

Answer 5

A rotation of the cam

Question 6

What does dwell mean? Technology)

Answer 6

When the CAM rotates because the follower does not rise or fall

Question 7

What is the rise? Technology)

Answer 7

The part of the CAM that causes the follower to rise.

Question 8

What is the fall?

Answer 8

The part of the CAM that causes the follower to fall

Question 9

How many types of ‘follower’ are there?

Answer 9

4

Question 10

What are the different types of follower?

Answer 10

Flat🫓
Knife 🔪
Roller 🛼
Offset 💨

Question 11

What is the shape of the cam called?

Answer 11

The profile

Question 12

What are four different cam profiles?

Answer 12

Pear 🍐 , eccentric 🤪 , heart 💓, drop 🪂

Question 13

What the pear cam used for?

Answer 13

The shafts of cars

Question 14

What are eccentric cams used for?

Answer 14

Steam engines

Question 15

Describe in detail how you drilled you cam. Remember to include safety precautions when needed.

Question 16

Describe how you assembled your toy. Remember to include any safety precautions needed.

Question 17

How will your toy work? Talk about the mechanism used and the input and output motion.

Question 18

If there is a gear train and gear A is attached to a handle and is turning clockwise, what way would gear B turn?

Answer 18

Anti clockwise. They would turn away from each other.

Question 19

If there is a gear train and gear A is attached to a handle and is turning anti clock wise, what way would gear B turn?

Answer 19

Clock wise. They would turn into from each other

Question 20

Draw a good quality graphic of your finished toy. Label the types of motion involved.