back and forth motion in single click

back and forth motion in single click

Postby 1_more_Robot » Sat May 02, 2020 3:41 pm

Hi. I'm new to dynamic components.

I'm trying to model a cam motion, with a follower rod that would rise and and fall back down with a single click. For the life of me, I can't figure out how to do such a thing.

The only alternative I've been able to come up with is to have the cam do a half-rotation of 180 degrees per click so that it tracks the position of the follower rod. It's not the ideal solution.

Can anyone help? Thank you!

automaton demo.skp


Re: back and forth motion in single click

Postby pcmoor » Sun May 10, 2020 5:46 am

see ... rcular.pdf

formula used:


did not see your post until today, after a bit of research on cams, (not my field, I'm carpenter and estimator)

need only the rotation and the formula does the rest


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