What is wrong with this bracket,
I am unable to flatten it???
I'm assume some geometry is wrong, please be aware that my sheet metal skills are pretty poor.
Change your Sheet Metal Bend radius to .5mm
Or the add custom relief type to tear in the edge flanges. See attached.
That is correct - but you would see that in the final part..
True John , just so people can learn from this.
Here is the reason, see image. Whatever they want to do
I assume that is where the 'tear' should appear??
Can you explain why it falls down because of the bend radius??
Technically no - A guess yes - it happens when your radius is much less then the material thickness
I aint got a clue, physically it should just bend.
Assume solidworks knows a lot more than I do though.
I'm still on 2016 so I can only see the image from Ingvar. Based on that SW is saying there's a conflict across an area between a bend region & the flat right next to it, a stress concentration. And it's right about that, so it flags this as an error because it can't decide when this is a small enough area to be acceptable anyway. When you know this area is small enough that is will just bend, then it will let you work (cheat) around this error. So really it's just saying it knows when it doesn't know as much as you do.
For some reason SW does not like the chamfer. Probably because it does not consider the edge normal. I suppressed the chamfer and added a cut extrude (with normal cut) and it works regardless of the relief option. Of course I do prefer the tear extended.. Btw Jason you probably should make all your cuts with the "normal option".
what is this??
Jason Young wrote: ugh...Normal Option??? what is this??
Jason Young wrote:
"Normal Cut" in all your cuts.
This option means your cut applies perpendicular or "Normal" to the face of your model. Really helpful for sheet metal.
oh right, it isn't something I have paid much attention to really,
my relationship with sheet metal is very basic, goes as far as a few very square and simple illuminated light boxes, and maybe a few brackets.
ill try to bear this in mind in future.
Sheet metal can be a love-hate relationship, so be careful
I am starting to work that out.
My skill set is general flat panels in the shopfitting industry. we make a few metal 'things' I would usually just create the fitting, and leave our metal worker to sort it out.
But we have more than supplier so I am trying to produce a default flat pattern that all suppliers can re-produce.
Why would different suppliers require a slightly different flat pattern???
They might use different manufacturing processes. Depending on their capabilities & personal skillets they may be able to tailor your design to their production needs in order to make what you want, or they may need your file to be production ready.
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