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Assistance Needed with Analysis Feature for 2 Variables

lsrutkowski
1-Newbie

Assistance Needed with Analysis Feature for 2 Variables

Creo 2 (m130)

I am working with several parts that have cam slots and I want to provide a graph of cam angle vs. projected distance traveled (due to the way they were modeled, I cannot pull this info from the features directly).  Is this even possible in Creo?

What I have done (in case I am going about this wrong):

I created a field point on my projected curve for the cam path.

I then created a plane through the axis of rotation and the field point.

I created an analysis feature for angle of the plane to my vertical datum.

I grouped the field point, plane, and analysis feature.

I created a UDA that shows angle over traveled distance (relative distance 0-1).

I created another field point on the same projected curve.

I created an analysis feature for the distance from the field point to one end of the projected curve and projected the resulting distance on the axis of rotation.

I created a UDA that shows projected distance over traveled distance (relative distance 0-1).

I now have two features: one showing angle over travel length and one showing projected distance over travel length.  How to I put both on one graph?


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I'm not sure I understand your problem entirely but I would typically do this in mechanism design and not in BMX. But I think it should work in BMX aswell. From your description I think it is not necessary to use a field point, I guess you can use a regular point on the curve, with a paramteter controlling its position, and do a sensitivity study.By doing a sensitivity study you can plot parameter1 vs parameter2. Field points+UDA are useful when you need to do an optimization and you want to extract the minimum or maximum of some measured entity that you want to optimize. To plot Param1 vs Param2 a sensitivity analysis is better. I haven't used BMX in a while so I might be wrong...

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3 REPLIES 3

I'm not sure I understand your problem entirely but I would typically do this in mechanism design and not in BMX. But I think it should work in BMX aswell. From your description I think it is not necessary to use a field point, I guess you can use a regular point on the curve, with a paramteter controlling its position, and do a sensitivity study.By doing a sensitivity study you can plot parameter1 vs parameter2. Field points+UDA are useful when you need to do an optimization and you want to extract the minimum or maximum of some measured entity that you want to optimize. To plot Param1 vs Param2 a sensitivity analysis is better. I haven't used BMX in a while so I might be wrong...

That worked perfectly!  I have my data and graph now.  Thank you for your help.

Glad I could help

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