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How to bisect an angle or plane? (Symetry)

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02-11-2016 09:05 AM

Hi all, new (old) user here who spent lots of time up until 2007 with Unigraphics/NX. Haven't used it since then, now working on NX10.

I'm doing some reverse Engineering and can't figure out how to bisect two lines at an angle to each other? I have two lines that are 0.11 degrees from parallel and I need a line exactly in the middle at half the angle.

Also, how does this work with planes? I have a similar situation with two planes that are slightly non-parallel. How do I get a plane equidistant from each of them bisecting their angle difference?

On our Zeiss CMM that runs on their Calypso software, generating one of these planes uses a function called "Symmetry Plane". You select both planes and it bisects them, useful for defining coordinate systems.

Thanks for the help!

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Re: How to bisect an angle or plane? (Symetry)

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02-11-2016 09:12 AM

For the datum planes, open the datum plane dialog, then set the type to be 'bisector'.

For the curves, the curves must be part of an active sketch. Then, use 'Menu -> Insert -> Sketch Curve -> Derived lines.'

Re: How to bisect an angle or plane? (Symetry)

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02-11-2016 09:14 AM - edited 02-11-2016 09:15 AM

Re: How to bisect an angle or plane? (Symetry)

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02-15-2016 10:54 AM - edited 02-15-2016 11:10 AM

You can use Basic Curves (result is without parameters). Select 2 lines only.

Re: How to bisect an angle or plane? (Symetry)

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03-28-2019 01:09 PM

Re: How to bisect an angle or plane? (Symetry)

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03-28-2019 02:32 PM

You have the expression with the angle (e.g. andy_angle=20)

If defining the bisecting line, set the angle value to "andy_angle/2"

Production:NX10.0.3.5 MP16/TC11.2

I'd rather be e-steamed than e-diseaseled

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