Displacement diagrams are merely a plot of two different displacements (distances). These two dispalcements are:
1 the distance travelled up or down by the follower and
2 the angular displacement (distance) rotated by the cam
In the diagram shown
we can see the two different displacements represented by the two different arrows. The green arrow representing the displacement of the follower i.e. the distance travelled up or down by the follower. The mustard arrow (curved arrow) shows the angular displacement travelled by the cam.
Note: Angular displacement is the angle through which the cam has rotated
If we examine the diagram shown below we can see the relationship between a displacement diagram and the actual profile of the cam. Note only half of the displacement diagram is drawn because the second half of the diagram is the same as the first. The diagram is correct from a theoretical point of view but would have to changed slightly if the cam was to be actually made and used. We will consider this a little more in the the following section - Uniform Velocity.
1 the distance travelled up or down by the follower and
2 the angular displacement (distance) rotated by the cam
In the diagram shown
we can see the two different displacements represented by the two different arrows. The green arrow representing the displacement of the follower i.e. the distance travelled up or down by the follower. The mustard arrow (curved arrow) shows the angular displacement travelled by the cam.Note: Angular displacement is the angle through which the cam has rotated
If we examine the diagram shown below we can see the relationship between a displacement diagram and the actual profile of the cam. Note only half of the displacement diagram is drawn because the second half of the diagram is the same as the first. The diagram is correct from a theoretical point of view but would have to changed slightly if the cam was to be actually made and used. We will consider this a little more in the the following section - Uniform Velocity.
Distributed by Abu-Iyad
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