Using Pattern Feature with two axes

[PrintScaffold]

Greetings all!

I have an interesting question for the NX9. Attached is a rough kinematic sketch of a machine. This is one of many kinds of a pump. It has two parts which rotate together and few cylinders which move relative to those parts. If you change the vlaue or animate the 'Driver' dimension, you will understand what I mean.

So the question is - is it possible to parametrise the number of cylinders using the Pattern Feature method? I could not make it work, because there are two axes involed in this pattern, not one. Any ideas?

Industry creates wealth!

 

[JohnRBaker]

I think we're going to need something more in terms of what the model looks like.

John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:

To an Engineer, the glass is twice as big as it needs to be.

 

[PrintScaffold]

Hello John!

Here's the revised model. You may safely disregard the particular feature tree, and model is not even fully parametric, but the design intent is there.

Basically, we have a circle and a cylinder. Both circle and cylinder are divided by the equal number of even spaces - seven in the present model. Point on a circle and a corresponding vertical trace on a cylinder are connected by a red line - I call it 'slider'. Slider has defined length, which actually controls how high or how low it ends up on the cylinder. All sliders are equal in length.

Now the question - is it possible to parametrise the number of sliders using Pattern Feature? So that we could change the expression controlling the number of sliders, and the whole thing would update. I haven't yet came up with the solution.

Industry creates wealth!