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[Cam Design] Constant acceleration problem

Question asked by Chan Yin on Jan 31, 2013

Hi all,

 

I wish to design a circular cam can perform constant acceleration. However, when I do simulation using the created cam, follower does not shows constant acceleration but fluctuating in the plot of "Linear acceleration". Is there sth wrong in the setting of creating cam?

cam setting.jpg

 

I have attached screen captures of all plots: linear displacement, velocity and acceleration. See in acceleration plot, obviously there is no "constant acceleration" right?

all plots.png

How can I fix it..
I just want my cam can keep follower in constant deceleration after a rise, then return. It took me whole day/.\ I had try finding solutions in internet and solidwork help but still cannot fix it..

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