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The Cylindrical Cam / Barrel Cam: As the cylinder cam profile rotates the follower moves upwards. When the follower reaches the top, the cylinder cam rotates in the opposite direction and follower moves back down. |
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These unusual cams are normally composed of a cylinder which has a groove cut out of its surface and it is in this that the follower runs up and down. This type of cam can be seen in some old clock mechanisms and still in modern sewing machines. Machines that perform repetitive movements may use a cylinder cam profile. |
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How could you use a cylinder cam as part of a toy project ? Draw a simple diagram adding notes to explain how the toy works. |
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