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Part modeling - how do I create a bent ribbon cable? 2

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m60gunner

Mechanical
Apr 11, 2002
45
What is the best way to model a ribbon cable which bends a couple of times back upon itself? Imagine folding a ribbon cable so that it travels perpendicular to it's origin, and then folding it perpendicular to itself again so that it is now traveling parallel to its original path.

I just can't get a smooth model.


Air cooled, belt fed, gas operated machine gun firing from the open-bolt position
 
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It is a little difficult to explain verbally...

Take a flat ribbon, lay it on your desk. Now take one end and fold it so that it is running perpendicular to the end that is still laying flat. Do not bend it up or down - bend it left or right. Kinda like dog-eared pages - folding the corner of a page down will give you the same bend that I am trying to.


Air cooled, belt fed, gas operated machine gun firing from the open-bolt position
 
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"But what... is it good for?"
Engineer at the Advanced Computing Systems Division of IBM, 1968, commenting on the microchip.
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Sort of, but the cable doesn't stretch around the turn like you are showing it, it gets folded such that the outer wire (last) in the ribbon is the same length as the inner wire (1st) of the ribbon.
 
SM stretches the metal when it's bent. How can you say that SM isn't streching? I understand what you mean with a ribbon not stretching around a corner but the SM would do the same thing.

Regards,

Scott Baugh, CSWP [pc2]

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I agree - but SM would not give such an exaggerated stretch - it wouldn't be visibly noticeable.

Air cooled, belt fed, gas operated machine gun firing from the open-bolt position
 
CorBlimeyLimey just sent me the SM file. I'll work on a Sweep form of this. Just for the challenge. I'll post here when I finish it.

Thanks!

Scott Baugh, CSWP [pc2]

If you are in the SW Forum Check out the FAQ section

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Can't wait!


Air cooled, belt fed, gas operated machine gun firing from the open-bolt position
 
I use sheet metal starting with a flat sheet and adding sketched bends at 180deg, sketched at 45 degree angles.
 
I used both the sweep and the sheet metal - different configs. I actually needed the appearance of the individual conductors at one point, so the sweep worked well in that case.

Air cooled, belt fed, gas operated machine gun firing from the open-bolt position
 
Some good ribbon cables out there!
Does anyone use Router? I'm curiuos if it does ribbon cables.
 
Is the cable detail really needed? If not has anyone considered a surface sweep and thicken?

Regards,

Christopher Zona
Litens Automotive Partnership
Concord, Ontario, Canada
 
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