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Mechanism Issue with spring definition

MarkEvans
1-Newbie

Mechanism Issue with spring definition

All,

I am trying to define a spring in a mechanism similar to a spring plunger. I have a cam connection (with liftoff enabled) at the bottom. When I move the sled down, the spring compresses as it should. However when I travel the opposite direction (so as to allow the spring to de-compress), the spring plunger immediately lifts off the surface and the spring does not decompress. It remains in its previously compressed state. Does anyone have any idI have Creo 2 with MDX and MDO. Gravity is enabled and materials are assigned.

2 REPLIES 2

Hi Mark,

I am not familiar with the MDX and MDO applications.  But if you could upload a model to the discussion, perhaps that would help another contributor troubleshoot the issue.

Thanks,

Amit

TomU
23-Emerald III
(To:MarkEvans)

Are you running a "dynamic" analysis?  "Position" and "kinematic" analyses do not take into account gravity or spring forces.

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