Looking for recommendations on checking this.

[[Dy...]]

Hey first time posting here, I wanted to see if anyone has any recommendations on checking the feature in the attached images.

We have Contura G2 Machines running version 7.6
We don't have freeform or PCM but we do have Curve which I am not too familiar with.

I appreciate all responses and any help I can get.

Thank You,
Dylan

zeiss forum image 2.pngzeiss forum image 1.png

[[Ma...]]

With some efford you can create two side curves which can lead your main curve ( in Calypso 2022+ i believe ).
I think you will use symmetry curve and then in main curve its driven by that symmetry curve.

[[Je...]]

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Hey Dylan. Thanks for posting.

You can definitely use Calypso to measure the characteristics shown in your screenshot. As with most measurement tasks, there are multiple ways in Calypso to approach this.

Side quest, but why do they have the print ballooned twice for the 9X 1.60°+/- .25° callout (Char. 30 and 40) and also twice for the 9X R2.00 +/- .05 callout (Char. 41 and 42)?

Curve might be helpful to scan continuously along the features, but you could possibly do without it here. The 1.60° angular dimension can be evaluated by measuring a feature called an edge point in Calypso at the end of the vane and also measuring the plane on the hub face.

You could alternatively measure a 3D curve that you create near the end of the vane and also measure the end face on the vane as a plane and then construct an intersection between the two which is evaluated once again to the hub face measured as a plane.

The R2.00 callout is slightly cringe worthy because the arc segment available for the measurement is small, perhaps 5-10°? If the geometry extracts from the CAD as a cylinder, you can either create scan paths along that surface inside the cylinder feature or create 3D curve segments on that surface and use the "recall feature points" option inside the extracted cylinder to recall the points collected from the 3D curves. Either way is not ideal because of the minimal arc segment for the radius.

I hope you're able to figure out a successful strategy. I'm interested to hear how this goes for you.

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[[Ch...]]

Create theoretical features and use formulas. You can take a 3d fin profile and make it 2d with trig.

Take a 3d curve like this
and turn it into a 2d feature like this


Using trig like this

[[Ch...]]

anyone can PM me if they want more assistance.

[[Ro...]]

Similar to Chad's way, but take points all over the 9 edges and recall them into a Taurus. If it works you will only get 1 result, not 9x, but you could call it a "continuous feature" and be done with it.
I don't even know if that would work, tauruses are the "cousin Oliver" of the Calypso feature family. They really are the worst.

[[Ch...]]

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If there is truly a radius in here somewhere without any 'twist' :
I would also try rotating to the angle where a circle fits over the surface without any 'twisting', then just measure a circle. Perhaps their 'radius' callout does not encompass full 100% of surface, only 80% or so. Does this view mention it is rotated a certain amount ?

[[Je...]]

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Hey Chad.

Just wanted to say that I think your strategy here is very innovative. Thanks for sharing it!

[[Ma...]]

You could also put space points on the radius and report Space Point Distance. Then use CAD Evaluation to show the deviation on the report. This will eliminate any questions about the arc segment.

Mark