Easy Way to Intersect Curve With Line?

[[Ry...]]

Wondering if anyone knows there to be a way to intersect a curve with a line?

We make injection molded plastic parts & the part that I am checking calls out 10 points, 36 degrees apart, all with different distances on a spline. I have been checking the steel mold, which has been modified many times based on numbers we obtain in resin.. it has a CAD model but no print.

We are counting on one of our engineers to provide me with what the steel mold should be nominally at the 10 points 36 degrees apart so we can see if we hit our target for when we wire edm the spline. I am also creating a curve around the spline and assigning a line profile characteristic with a graph to see how the shape of steel compares to CAD model. There has been times where my deviation from nominal on the distance of the 10 individual points does not match up to what I am seeing on the profile graph, and after doing some investigation on mastercam & solidworks, we find out that the engineer has given me incorrect nominals.

I'm wondering if there is a way that I can extract the nominal value of the 10 points inside of calypso? When I tried to intersect the curve & lines at the different angles, it gives me 300 points to choose from (I'm guessing this is because that is how many points are in my curve?) & not the 2 results that I was hoping to see like when you intersect a line with a circle.

[[Cl...]]

If I understand correctly what you are asking; The Kink Point should work
for this. Recall the curve into a circle feature then intersect with the line.

A pic of the geometry you are measuring would help a lot.

[[Ky...]]

I agree with Clarke, some sort of image would help. That being said, I've never been a big fan of the kink point, but it might work if we are only working on nominal data.

Intersections might work, but I would probably recommend planes rather than a line. I have done a little testing with that, but I can't be certain of the accuracy of that. Depending on the exact geometry, perhaps you can section the CAD with planes perpendicular to the axis of rotation and extract a line and then intersect them at a certain height, since I'm guessing a mold will be at some sort of angle to let the product come out easier. Again, a few images to clarify the problem would be helpful, but hopefully this puts you on the right path.

[[Ry...]]

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Kyle, thanks for your suggestion!! Intersecting the plane with the curve gave me exactly what I was looking for!!

[[Je...]]

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Hey Ryan. It sounds like we have a similar work environment involving injection molding.

The suggestions the other folks have offered here sound solid. Additionally, I use patterns to create a set of intersecting points. Calypso can facilitate the intersection of a curve with other features depending on the geometry situation and how the nominals are defined.

There are multiple options in Calypso for exporting the data you mentioned. I export to .dxf often, which our designers use for tool correction and CAD modeling.

If helpful, I'll gladly expound on this process, or you can email/call/text me anytime. DM me in this forum for contact info, or email is Jeff.Frodermann at cretexmedical dot kom.

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