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Please Create New Function Round Bar Unfold. I can create a Flat Pattern for Round Bar, but it's not a program functionality. The customer wants the functionality to unfold for the rod, maybe it would be good to unfold the tube.
There is a way to get a flat pattern of a round pipe or square/rectangular tube. It's somewhat automated.
Create an ipt and derive the formed tube or pipe into that ipt.
Create a sketch on what I'll say is the midplane of the part. Essentially on the left view in your IDW attached. It works to do the top or bottom of the part as well.
Project the outside profile of that pipe to this sketch.
Extrude that sketch the diameter of the part. So essentially your creating a square edged version of formed view.
Set you SheetMetal default material to the thickness of that pipe (the diameter)
Select what would be the inside face of the bend.
Click the Create Flat Pattern command you should have a flat pattern.
It's tough to predict the bend length and K factor of a Tube or Pipe, so for us it's usally a K factor of .44 for us then we prototypem and if we have to tweak the K factor to tweak the flat length we'll do so.
It's not perfect but it's a fairly automated flat pattern. It's a starting point.
This function will be useful not only for round bar but also for tubes because now in our manufactory we have to do "flats" by hand: drawing separate lines, hatching arc places and add adding overwritten dimensions. Earlier mentioned work flow with sheet metal is useful only with rods but for me its really stupid to do two separate files and etc. Everything could be created with skeleton and weldments, where you already putting radiuses, tube diameters and there is no K-factor for tube bending. For now we waited minimum 3 years for this function, maybe plius more 3 years and then something will happen. Even Solidworks doesn't have this so Inventor will be ahead.
@Justinas.Storta, yes definitely, bent rods and tubes are used all the time time in design & manufacturing, and would be a big selling point for Inventor.
Apologies if this has been brought up before or there is functionality I am not aware of but couldnt find info on forums.
At the moment the flat pattern mode is great for cutting laser profiles etc model a bracket up do your forms and export the dxf and then you have linked content between a profile code/drawing and a formed part.
We have a tube laser and occasionally would have tubing where we would have formed versions with bends/flanges with the result that you end up creating two versions of a part drawing them manually with the profile for the laser and then the formed part for manufacturing.
See attached images for clarity
If there was a mode similar to the sheet for tubing it would mean that you would have linked design data as opposed to independent models. Would ensure changes on one carrying to the other vice versa and streamline the drawing and coding process.
Create a way for us to bend tubing AND show the flat pattern in a drawing view. Currently we are creating a square sheet metal part with all four corners filleted to give the illusion of a tube.
I think inventor needs a feature where you can create flat patterns for bars / tubes like you can with bent plate. The only way Ive found to do it is to create it as a flat bar and then radius its edges to make it look like its a round bar, however this is a cheat. Ideally there should be a way of creating a flat pattern from a swept feature to save time and increase accuracy.
@mikeh4this is the problem when people drop flippant off the cuff comments like yours on posts like this one: Your solution is merely a band-aid. That will not work if the pipe/tube is bent in more that one plane. So, the Autodesk powers that be peruse through the posts, see a comment like yours, and in a split second, without any further thought, think that there is, in fact, a reasonable work-around for the time being, when in reality there is not.
Autodesk: Please issue a solution to the original post as soon as possible.
@tstout9GFVP Curious if you treat everyone that tries to help you in life this way? I love it when I try to help some and they give me an F bomb. Class act.
That's not off the cuff. It's something we've been doing for 15+ years or ever since Sheet Metal was added to Inventor and doesn't have a way to account for it.
This is post is not a voucher for Autodesk to not address it as I voted for your request.
But there are already Ideas out there for the same or similar request and it's better to chime in on an existing idea as this idea system doesn't have a way to merge votes together on different idea entries or the same/similar post other than a manual process.
