How do you bend this?
Message 1 of 10
The attached model shows the starting material and the curve list where I'd like it to end.
I could have optionally swept and parallel notched then straightened to see what the initial notch removal looks like.
I would expect to the see the notches close up during the bend.
I have tried morphing cannot see how to do it.
Is it possible and how?
Message 2 of 10
"Morph curve to curve" will do a pretty good job on this piece if you use an influence around 2000. You should also be able to sweep the shape around the bend and also do a circular pattern on the extrude cut feature.
Message 3 of 10
Oh and what ever he said... And Mike is this where the reduce file size option will come in on the morph command in V14.2? Or was I makin that up in my head?
Message 4 of 10
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Message 6 of 10
how would a user ever figure what the Influence number values mean? What clues are there that 900 or 2000 is a reasonable value.
The default is 20! Why not work in perentages? We can all understand and relate to that. Seems to me there must be a 100% value at which point influence is meaningless.....
Scott is correct when he says it can take a long time to compute. This is a LOT different to the on screen 'instant' morphing in free form modellers.
Can you please explain why the time issue comparitively? What we can do to reduce that etc.
Another point is the redefining a morph doesn't give too many clues as to the existing picks (apart from geometry)- especially when it takes a while to preview. All highlights are the same colour - just blur of yellow.
Apart from that I think the results are OK.
A lot of parts are actually bent from straight so morphing needs to be able to do this job representative of an actual bend.
FYI. I have actually built this part with much smaller cutouts. In reality the bending occurs in the small cross section zone and you end up with a series of flats. A bending model would consider this and represent the material deformation.
In determining the cutout requirement I Inquired the respective length if inner and outer curves. What is curious is that the curve length value is not available as a dimension for use in an equation. IMO any 'Inquirable' value should be accessible rather than a screen transient. Or have I missed how to do this?
Message 7 of 10
From the on-line HELP - Influence (I) Specify radius of influence. The smaller the number the more localized the change. A larger radius value will influence more of the part. This is alot better than Version 12.93 Influence (I) - Specify radius of influence.
Inquire curve length does have a variable option.
Message 8 of 10
While waiting for Mikes reply to your questions I decided to play around with Scott's morph. It appears that the "Influence" value only needs to be as large as a radial distance from the bending curve that would envelope the area to be bent.
In this case I used an Influence value of only 200, a Rigid value of 100%, Bulge and Slope values of 0% with good results.
Message 9 of 10
Message 10 of 10
my apology to the VX team about the selection during refine. In 14.+ it is all good.
Wassmer is correct as far as getting it sorted. One has to come to grips with the controls BEFORE applying to a complex model.
Take away the complexity and it is quite fast.
My future protocol would be to use a simple shape to develop the morph regime then used the values as a guide for the more complex shape.
I think there is a place for some sort of graphical guide example set (similar to fillet scenarios) showing the results of various morph settings with each command.
The issue is understanding how it works.
Scotts' locket example is excellent as it shows how compound curvature can be added to the part after the majority of the modelling. Chris showed that as well but the model is explanatory compared to an example picture.
I am just starting to get my head around morhing and really appreciate the input from all of you.
Will try and hunt out that inquire variable.
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