relation

[MA_10759611]

CREO RELATIONS.

I have a frame, let's say 500 x 350 (extruded) with a depth of 36 mm.

There is a water cooling channel running across the frame, as shown in the image below. How can I make the water cooling channel change its pitch according to the frame size? For example, if I make the frame 350 x 350, the water cooling channel collapses on itself due to the number of channels overlapping the frame size.

[MartinHanak]

Hi,

please provide following information:

• picture showing dimension scheme for section located on 500 x 350 frame
• picture showing dimension scheme for section located on 350 x 350 frame

What Creo release do you use?

[kdirth]

Are you looking for something like this?  This is controlled by constraints, no relations needed, to keep the spacing even.

[MA_10759611]

Yes, thats how i did it but when i change the frame size to 350 x 350 the loops will overlape each another as the frame size is small to not fit the loop circuit. What i am trying to do is to make a relation where when i can shrink the frame size the pitch of the water cooling channel changes to 1 from the center line.

[kdirth]

both images are the same model and same sketch.  I only changed the base width from 350 to 500.  Making the horizontal lines equal maintains a constant pitch, whatever the width.  Here it is at a width of 1000:

If you want to change the number of loops and the pitch based on the width, that is a more complicated design that would require relations and most likely patterns.

[MartinHanak]

Hi,

unfortunately you did not understand me.

Imagine following path and its dimension scheme.

I asked you to fill following table.

[tbraxton]

If you study this video by @DaveMartin on patterns, it will reveal some options to handle this type of design.

(1) Creo Parametric - Patterns - Dimension Patterns with Part-Level Relations - YouTube