Inventor General

## Inventor General

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Posts: 175
Registered: ‎12-27-2003
Message 1 of 4 (271 Views)

# How can I measure distance between centers of balls?

271 Views, 3 Replies
06-21-2012 01:51 PM

I'm just playing with a rotor head of a model helicopter (see picture). For proper initial alignment, all main parts shall be setup parallel against one-another. This can be done by aligning the length of the ball linkages.

But therefore I need to know the distance of the ball centers. How can I do that? (STEP file for testing with different Inventor versions is attached).

Thanks for hints

Walter

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Posts: 24,744
Registered: ‎04-20-2006
Message 2 of 4 (264 Views)

# Re: How can I measure distance between centers of balls?

06-21-2012 02:02 PM in reply to: wh

What if you put Workpoints at the centers of the spheres?

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Mentor
Posts: 175
Registered: ‎12-27-2003
Message 3 of 4 (253 Views)

# Re: How can I measure distance between centers of balls?

06-21-2012 04:04 PM in reply to: JDMather

Hmm, Jeffrey. I'm having difficulties with this task, because I get no response of my selection.

Can you show your file?

Thanks

Walter

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Mentor
Posts: 175
Registered: ‎12-27-2003
Message 4 of 4 (227 Views)

# Re: How can I measure distance between centers of balls?

06-21-2012 11:40 PM in reply to: wh

Next morning:

- Tried it in an assy with two single parts: Center points could be found

- Tried it in actual assy with many parts: No center points selectable

I've been using adaptivity instead. For constraining, center points are selectable. But not for measuring.

Hoping for the next release

Walter

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