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Help with sheet metal flanges.
Darren_Wrynne
Member Posts: 2 ✭
Hello, I am new to Onshape and I have used Autodesk Inventor previously, on their software there is an option when bending flanges to have the bend position set to tangent. I was wondering if there is a similar option in Onshape or if not, is any tips when creating flanges to prevent the part hosting the flange to shorten.
Example:
When I input a bend angle of 135Deg the original part loses material, I want the bottom of the bend to be located at the edge of the host surface like this:
If anyone could help me with this it would be greatly appreciated, thank you.
Comments
Use "hold line" under "Flange alignment" drop down.
I was just trying that Eric, but seems to move too far. Needs further adjustment.
https://cad.onshape.com/documents/e7deb849eaf79cbe21dd8d77/w/d33b9654867f8aafb9a49fde/e/45af4c571c12078cc476f0ac
Oops, sorry I mis-read the initial post…
I don't think there's an "automatic" way of doing this currently unfortunately… The various conditions are computed to the "virtual sharp". i.e. changing the bend radius doesn't change where the "face" of the flange is.
The best way is to draw the flange at 90 with the "outer" condition, then use a move face/rotate around the bend radius center to set the desired bend angle:
You can also use some reference sketch and translate the flange to where you want it after but it takes more planning and you really want to have variables for thickness and radius for it to be properly parametric…
https://cad.onshape.com/documents/ec7c90893bd97bfc6d8b6152/w/6c8ee8bb48923930500e3857/e/0d4d59df841fbe6fc7fffdc4
Thanks Eric. That's better.
https://cad.onshape.com/documents/e7deb849eaf79cbe21dd8d77/w/d33b9654867f8aafb9a49fde/e/45af4c571c12078cc476f0ac