AutoCAD Inventor :: Automation Of Sheet Metal Bending Parts Unfold / Refold
May 27, 2013
Automation of the sheet metal bending parts unfold /refold in vb.net for Inventor 2013.
I want to unfold the part with selecting the one of the face as stationary face and further selecting the bend/ bends with reference to face in vb.net
For refold, I have to select the stationary reference automatically , based on some criteria, and further to select the single and multiple bends by using API.
Also, I want to find the bends and faces relationship i.e.
How to find the bend associated with number of faces, how to find face entity using internal name ;
The code I tried I am attaching here for your reference.
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Nov 27, 2013
I'm having an issue with some similar pieces of sheet metal. They are created with a face, then I place a fold, then I need to unfold/refold it so I can place holes while it's unfolded and have them remain as true holes.
2 of the 3 parts do this just fine, but one particular will unfold normally, but the refold, even though it succeeds, does not actually do any refolding, I'm just left with the flattened part.
Every sketch is fully constrained. I've experimented with changing the sheet metal rules.
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May 13, 2011
I have a conical shaped part that Inventor 2012 will allow me to unfold, but will not refold accurately. When the refold is complete it should roll back up and be .01 degrees from completely round. But instead it leaves about 60deg of opening. I need to cut out 120+ slots out of the face of the metal, but once I do this while in the unfolded state, it will not refold at all...not that it owuld matter if it, seeing as though it refold inaccurately.
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Sep 12, 2012
I have never used the unfold command before. It seemed simple enough, draw the part, extrude, turn into sheet metal, set defaults and unfold to make a flat pattern. It will not let me unfold. The dialog box comes up, but will not allow me to pick a flat surface or bends....
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Feb 2, 2013
For some reason I cannot unfold sheet metal product on attached file. Where have I made a mistake? I used extruding, also sheet metal thickness from rule has been set to 2mm. Rest are default values.
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Oct 6, 2011
I'm looking to unfold the attached sheet metal elbow and am unable to do so. After modeling the part I was also unable to rip an opening to split the part. I opted to cut an opening with a profile, but I am still unable to unfold the part. The probelm is likely obvious and I believe it is because I used part splits to create the different sections.
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Oct 31, 2011
I created a part that spans between two other pieces. The original part model does not have a twist in the "flat" surfaces, so it unfolds just fine, but it also does not represent the way the actual part fits, so it is difficult to determine if any other parts are fitting correctly up to it.
I had a problem getting a part to unfold before, and I was shown a method of creating a surface body and a thicken, which I have done with this part, but as of yet have had no success unfolding this part.
Is there anything that I can do since the sides are twisted and not planar?
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Jul 21, 2010
Is it possible to unfold a sheet metal part and save as a dwg in a specific folder automaticaly using ilogic?
Inventor 2012 Pro
Windows 7 64 bit
Core I5 2410M processor | GeForceGT 525M graphics card | 8G RAM
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Apr 19, 2013
Just as the title says. I can't seem to get it done.
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Oct 25, 2012
I want to bend the sheet metal part as on 90deg
I have tried using bend and Fold tool but it dose not produce the right model as desired.
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Nov 30, 2012
I am lisp programmer and i want to develop programme for Basic function of Bending /unbending of Sheet metal. How Can I do this.
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Dec 3, 2013
We have an issue where we are trying to bend a 1mm sheet with a 24mm radius. The one side must come out 105mm wide and the flange must be 50 mm wide. inventor gives a flat pattern width of 143.4
If we bend using a brake press and a 24mm tube blade then it wont come out the right size. its like the flat pattern isn't big enough. we get the 50 mm flange but whats left over is 99 and not 105. How do we deal with something like this?
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Apr 19, 2013
I've created a sheet metal part and have set my parameters. In using the fold feature, cannot create bend past 180 degrees. Radius is large enough (21") and sheet is long enough as there is still flat sheet after a 180 degree bend. How do you create bends past 180 degrees?
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Nov 30, 2012
I want to know if you can make the simulation of sheet metal bending, I'm designing a bending die, and I need to simulate the folding.
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Jan 24, 2013
I want to bend/fold this piece over a specific profile. There are too many tools for bending a sheet metal and I just don´t know where to start. I searched the web and this forum but there are too many options. Also when I create the flat pattern, it should be precise with a difference max +/-5mm. I thought I could use contour flange. Usualy it works. But only when it´s a simple rectangle. But not on this part.
I work with Inventor 2011.
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Oct 2, 2013
How can I bend this component with the correct radius in Sheet Metal and then Flange it (It consists of two items being put together but It's hard to see)? I used the bending function in standard before but I have to Flange now.
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Jan 19, 2012
Trying to create a fold/bend/flange along a curved feature. I modeled the part to view but would like to be able to model this feature in sheet metal. This is how it would be manufactured, probably in a die roll.
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Aug 2, 2012
I recently had an issue in adding flanges to a sheet metal part. The thread for that can be seen here:
[URL].......
The problem I am having now is with the size of the part. I need the linear distance from the bottom edge of a flange to match the inner diameter of my part. As you can see, this is not the case as it stands right now.
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Nov 21, 2012
How to select all sheet metal parts with a certain thickness ?
I am looking for a sample code to select all sheet metal parts with, for example thickness 0.5 mm.
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Nov 29, 2011
I am creating a program to write out all the flat patterns of all sheet metal parts in an assy. I save it out as dxf. What I need is to totals of all the sheet metal parts across all sub assy’s etc in other words not “Structured” but “Parts Only” in Inventor BOM terms. All works fine but the only problem is that when a sub assy is a weldment or “inseparable”, it hides the parts inside it and “Parts only” BOM don’t make the internal parts of that sub available and the totals are not correct then. I need the totals because the idea is to write that into the file name including the thickness of the part.
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Oct 1, 2012
Before using Inventor I used Mechanical Desktop 6 and found the sheet metal functions (AutoSm) to be fairly simple. Since switching over small tasks can now be a nightmare! The main problem I face is exporting flat patterns to dxf format. We use a CNC Turret punch so splined corners on parts are a no-no due to the number of hits required, AutoSM solved this with the 'Apply Smooth' function which created crisp corners suitable for punching. Is there any simlar function available on Inventor? At the minute I either have to apply multiple cut and extrusions to the flat pattern or else 2D modify the dxf file.
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Jul 20, 2012
Flat pattern sheet metal with a hole cut at an angle. Once flattened it should be 90 deg. to the surface of the sheet for laser cutting. I cannot get inventor to do that.
See images for more details.
Autodesk Inventor 2011 SP2
Windows 7 Ultimate 64-bit
Processor: Intel(R) Xeon(R) CPU W3503 @ 2.40GHz
RAM: 12 GB
SpacePilot Pro
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Jan 25, 2012
I am trying to make a chute out of 4 pieces of sheet metal. Is there a way to take a solid lofted part, shell it, and then break off each side of the the object for cutting and welding them together. I have an example attached.
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Nov 5, 2013
I am tying to set my sheet metal rules for parts in my assembly that have differnt materials and I would like the control to be at the assembly level. Is this posssible? I am relatively new to iLogic aand have been trying to figure this out on my own for a couple of days now.
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Feb 4, 2013
I have made a sheet metal part in inventor (see image). I have made the part as it will be in the finished production state. The problem is that the part is impossible to bend from one single plate, so it has to be made from several plates and welded together.
What i want to do is to remove the four corner plates (denoted with red arrows in the image) and make a flat pattern for these separately.
The reason i made these corner plates in my model is to get the assembled part 100% correct. if i dont, inventor doesnt make the angles that i need between the flanges in the top.
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Feb 22, 2013
Up until now, for FG I've always created a part with just a sketch in it. I insert that in an assembly and use it as my frame generator driving part. Now, I've started creating a solid instead of just a sketch in the part and using its edges to attach frame members. Picture a cube. I really need to put sheet metal on the cube and have my frame on the outside of the sheet metal. I was setting up a parameter for the sheet metal thickness and offsetting the members in Frame Generator that parameter. Now, I've accidentally discovered that I can select the outside edge of the sheet metal part to attach my frame members to. Is that a valid workflow? If it is, its a bit of an epiphamy for me. Using a parameter in FG as an offset required me to edit each member with FG and update it to get the offset to use the current parameter value.
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Jul 23, 2013
Is there a way to split this part into multiple parts? I would like to split the part on the corners, leaving a small gap for welding.
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Jul 29, 2013
If it possible to close corners of 2 different sheet metal parts in one assembly?
see attached image.
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Mar 18, 2013
I'm attempting to use a macro in Inventor 2013 I found on the Mod The Machine blog to lay out the parts of an assembly. They're wood (not sheet metal), and the purpose is to create a drawing/cutlist with flat views of all the parts for easier DXF extraction.
The issue is that not all the parts in our assemblies are created with the length and width on the XY plane. So, some parts are laid flat on the XY and some stand up straight. How do I modify this code to look at the XZ and YZ planes as well for length and width?
It's a bit long, so here's the link to the code.
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Jun 18, 2013
I have 2 sheet metal parts, both have been revolved using an angle of 359.9deg so there is a small gap to weld. in the assembly I copied one as a surface onto the other part and I want to scuplt it at the intersection of the two.
The problem I've come to is that the small gap in the surface is preventing me from deleteing the upper part of the cut, how can I make the surface a whole so there is no gap in the cut?
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Mar 7, 2013
Another iLogic question for you all.
I would like a simple rule adding to some standard pressed sheet metal parts that we have. The code would look at the current model tree and if any features are added to the part then a character (lets say a *) is placed into the "Vendor" field within the iProperties.
Is this possible?
Inventor 2010 Pro SP4, Vault Collaboration 2010
HP Z820 Xeon E5-2643 0 @ 3.3Ghz 16.0GB RAM
Nvidia Quadro 5000
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