Edexcel GCSE Design and Technology · 1DT0
Specification 1.5.4 · Paper 1
Revise: CamsGravity or a spring keeps the follower against the cam as the profile falls away.
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GCSE Design and Technology · key term
The part of a cam's cycle during which the follower moves downwards.
Used by Edexcel
Specification 1.5.4 · Paper 1
Revise: CamsGravity or a spring keeps the follower against the cam as the profile falls away.
Link a cam choice to the required movement: pear-shaped for a pause, eccentric for continuous smooth rise and fall, or drop/snail for gradual lift followed by sudden release.
When sketching an eccentric cam, show its shaft off-centre. For a drop cam, show the direction of rotation that produces gradual lift followed by sudden fall.
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