Hi all. I can't figure how or if I can make this helix into a flat sheet metal. Any help would be great. Thank you
if you have SWX Premium, you could use flatten surface so you don't have to hassle around with the sheet metal functionality.
Find the attached sample.
Hi Heiko, We only have Pro here. But thank you for the model. It confirms the argument here if flat would be straight or curved. Do you know how to do with sheet metal by chance?
This is not a direct conversion but indirect conversion.
Thank you Maha. I didn't think of doing it like that.
Hi Maha, could you please explain the procedure you used here. I can't use it in my helical model.
Video is attached. This is another different method.
that seems like a brilliant solution Maha Nadarasa
any idea how to use this "bent" option?
because when i tried to flatten my model it didn't appear as your.
here's the model attached for your kind review
It is from the trial and error I decide which bend option. In this case part disappears when flattening I do not know why.
Maha Nadarasa answer is the correct way to flatten that type of bending, please mark it as the correct answer
Frank Ruepp - Might be able to shed some light on this issue. The parts appear to be the same, but different results..
I just had a look at the two files and these are my findings:
It basically depends on the wide side and on the thin side of the helix. When you compare both models: you can see that on the left hand side the wide side is wrapped around a virtual cylinder (the profile stands kind of vertical) and on the right hand side the wide side lies horizontally. Obviously the formed lofted bend algorith assumes that the wide side is based on the top and bottom face of the sheet and the remaining faces are sidewalls. Therfore the unfolding of the left hand body is possible as it gets "unwrapped" off the virtual cylinder. The right hand side would be flattened by "compressing" the helix what will result in overlapping geometry and therefore the flat pattern fails (I have to admit a more precise error message would help a lot in understanding the reason why) but when you look at the definition of the fixed face in the flat pattern it should be more obvioius what I am talking about:
Bottom line it seems that the formed lofted bend algorithm chooses the longer side of the profile to be the fixed entity and I think you cannot swap out the edges since the fixed entity defines which faces are the top and bottom faces and based on these the flat pattern gets calculated (or not).
Another question was what's the difference between formed and bent lofted bend:
If you imagine a square to round transition there are two different results:
On the left hand side the bent lofted bend that creates planar faces and cylindrical bends and with it approximates the square to round transition (black means 0 curvature = flat and I used curvature colors: in order to visualize the difference). The bent lofted bend can be manufactured i.e. on a press brake.
The right hand side shows the formed lofted bend which is more like a loft and no constant curvature (black, blue, green which visualize the different curvatures). I suppose you would have to use some sort of die and tool in order to form this sheet metal body.
Hope this helps to understand the difference.
SOLIDWORKS Product Definition Team
Frank Ruepp - Awesome response as always..
Retrieving data ...