Unable to select/activate tangential probing

[[Ri...]]

I have a bolt pattern of through holes with counterbores.
I run my programs with no clearance distance as suggested by these forums, but as expected the styli returns to the clearance "plane" after each subsequent feature, wasting time over many holes.

I want to activate tangential probing to prevent this behaviour, but I am unable to tick the box to select it under the feature strategy window. conversely, it does nothing when activated by default in the measurement plan editor as well.

The features are all circles as they should be, and are all grouped in a series under the features window.. Is tangential probing an add on like curve? Or is it because I have no clearance distances established? (gonna try that now)

[[Ri...]]

tried it, no change in behavior with an assigned clearance distance.
also tried this to shorten up the path.

Clearance data--->Move To---> Not At All (which should prevent it from seeking the clearance plane before and after measurement)

and it still retracts out to the clearance plane!
what stupid thing am "I" doing wrong here or missing?

[[Br...]]

Tangential Probing is part of Navigator I believe, which is a special license that also requires an XT style sensor. I dont think this is what you need though. All tangential probing does is kind of swoop in to the circular/helical scan. I think what you want to do is utilize the sub clearance planes. Otherwise, the stylus will always retract to its associated Clearance plane

To do this Go to Plan>Navigation>Sub Clearance. From here, select "new", give your subclearace plane a name, and hit "ok". Now select the parent plane.

Now select this sub clearance plane for the hole and its respective counter bore. What Calypso will do is look before and after the feature its measuring, if the next feature has the same sub clearance plane, it will not retract to the parent plane. You will need a seperate sub clearance plane for each hole/counterbore or it will try and drive through the part into the next hole.

[[SH...]]

I think,you can use sub clearance plane and retract plane, this will be a better option.Give retract plane distance very small.

Capture-2.png

[[Ri...]]

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I can follow along all the way until you state "select parent plane", which I am not prompted to do.
Go to Plan>Navigation>Sub Clearance. From here, select "new", gave it a name.
Im then asked for the "Parent Group"
I select "+Z"

But no physical feature as a plane, no actual Z height relative to anything else is requested at any point. As such couldn't +Z could be 200ft off the surface plate for all it knows.
If we are trying to define a new plane above the features to be measured, would not an actual number be required somewhere?

[[SH...]]

First you define the sub clearance group and retract plane distance,then going to your future template from the feature template select the Sub clearance group that you already defined.

[[Br...]]

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I meant "Parent Group". This is based off of your clearance cube. So when It doesn't see two features with the same sub clearance, it will default back to the this clearance plane. So this will allow it to get up out of the hole, and into your next hole/counterbore.

[[Ri...]]

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Ok, i'm definitely missing/not understanding something.

How is defining my Sub clearance plane as "+Z", any different then simply selecting the "+Z" CP?
Shouldn't I be defining my "Sub Clearance Plane" as physical feature with an actual Z location for it to retract to?
Otherwise isn't it just going to retract back out to the clearance cube via +Z? Which is what we are trying to avoid, no?

[[Br...]]

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When you create your sub clearance plane, you will notice there is a checkbox that says "Retract To Inner Plane". If you do not select this, and calypso sees 2 features with the same subclearance plane measured next to each other, It will ignore the clearance move and go right into the next strategy. I've attached an explanation of clearance planes that will hopefully clear up any confusion.

Clearence planes 2.pdf

[[Ri...]]

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You were explaining it perfectly! it's the wording, "as usual" that makes it insufferably non-intuitive.

Retract to inner plane? What inner plane?! I'm trying to establish a Sub-Clearance Plane!
Utter and absolute failure to maintain consistency with the terminology. If we can't agree on a naming convention for something then we are all truly lost.

How about "height of the Sub Clearance Plane relative to the datum of the base alignment"?
Talk about taking the long way home! 🙂

Thank you for walking me through the fog Brett, I have never enjoyed mystery novels. 😃

[[Br...]]

Ha ha, well with Zeiss I always assume everything is being translated from German so you get some weird English descriptions that are a little lost in translation. Did you get it to work at least?

[[Ri...]]

I absolutely did, thanks to you!

[[To...]]

More on sub-clearance planes here
viewtopic.php?f=13&t=1941