BEND RELIEF ON INTERNAL CUTOUT BEND
BEND RELIEF ON INTERNAL CUTOUT BEND
(OP)
I am designing sheet metal part, it has an internal cutout with .25 edge flange all around it. Is it ok to create my custom bend relief - picture attached - or should I stick to SW custom relief type in edge flange feature? Those look rather strange for this application and I like that my own custom relief allows me to avoid edge interference without chamfering the flange.
Hope this makes sense. Thank you!
Hope this makes sense. Thank you!






RE: BEND RELIEF ON INTERNAL CUTOUT BEND
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
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RE: BEND RELIEF ON INTERNAL CUTOUT BEND
Also, Double Check the flanges you have extending upward. It is hard to tell from the picture, but when you unfold those to the middle they look like they will overlap. You will need to chamfer those edges.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
I understand your question but I don't understand the picture. can you post a screen shot from another angle, or unfold it and post the flat?
for the most part I agree with what was already said. custom bend relief is fine but may cost more.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
I attached another pdf, I changed the approach a bit. I would like to have only a tear type relief approximately as shown with red lines but only am able to achieve whats on the pdf. Here is the problem - 1/ if edge flange is just one feature for both edges (I am mirroring the other 2) - I am unable to change sketch of the second edge. 2/ if edge flange of the second edge is a new edge flange in design tree, it is not created from the corner but offseted by .075 as you see on the attached pdf
is there any way, I can achieve simple tear for the model as shown with red lines?
thank you again
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
This method allows you to design the reliefs and then the material flows however it wants when the flanges are bent.
Currently, you are doing the opposite, creating the flanges straight and getting the 'default' reliefs; which you aren't satisfied with.
See attached images.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
MDGroup - thanks for the idea! What are the proper steps to do it right? I edited the sketch in base flange but I have a feeling it's not way to do it.
CorBlimeyLimey - - I have tried that, but it wont let me unfold the miter flange.
Thank you again
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
That's strange. When you say "unfold" do you mean Flatten ... there is a big difference where SW is concerned.
Can you post the part (or a similar test part) where the Mitre Flange will not flatten?
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
see my attached example.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
Aero, I would run the bend relief cutout past the material that is going to be formed.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
Hope this helps. Diego
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
Attached is the SW file I used. It isn't the most straight-forward approach, but gets the results you are looking for.
Instead of 'Edge Flanges' it uses the 'Sketch Bend' Command.
You can also consider what Diego mentioned. After the reliefs are made, you can alway go back in and do an extrude to 'fill in' the parts of the extrude that you don't want.
Good Luck.
RE: BEND RELIEF ON INTERNAL CUTOUT BEND
CorBlimeyLimey -
for reference i am attaching my unsuccesful miter flange attempt