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Moving Toys. This term we are going to focus on one particular mechanism... . ...cams. Best described as an odd shaped wheel Used to convert rotary motion into linear motion As the cam rotates then the follower follows the shape ( profile ) of the cam

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PowerPoint Slideshow about 'Moving Toys' - malo


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Presentation Transcript
Moving toys l.jpg

Moving Toys

This term we are going to focus on one particular mechanism...

...cams


What is a cam l.jpg

Best described as an odd shaped wheel

Used to convert rotary motion into linear motion

As the cam rotates then the follower follows the shape (profile) of the cam

Different shaped cams will cause the follower to move up and down in a different way.

What is a cam?


Slide3 l.jpg

A simple cam mechanism consists of...

Cam follower – Follows the outline (profile) of the cam wheel, moving up and down as a result

Wheel or Cam – Remains in a fixed position. Turns causing the toy to move up and down as required

Axle – Supports and turns the cam wheel

Crank Handle – Operates the mechanism by turning the axle and cam wheel

Frame - Holds the mechanism in place and provides stability


Now onto some design ideas l.jpg

What could you make?

Think about the movement

Now onto some design ideas...


Your design l.jpg

What will it look like?

How will it work?

Think about different possibilities

What will you use to make it?

Detailed, annotated (labelled) drawing...

of the front (what you will see)and the back (what you won’t see!)

Your design


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