AutoCAD Inventor :: Unfolding / Ripping Round Tubing With Both Ends Notched
Feb 22, 2013
I have been trying to unfold round tubing made through the frame generator. Here are the steps I took:
1. Used Frame Generator
* both ends of the tube are notched
2. Opened part and converted into sheet metal
3. Used the following tutorial: URL...
4. Was not working so I drew sketches on both ends of the notched tubing and added points
5. Used rip tool (point to point) and did not work
* I made sure the thickness was the same
I thought I was doing something wrong so I generated a new round tubing frame with only 1 end notched and the other end flat and followed the tutorial. IT WORKED! I have came to the conclusion that you can not use the rip tool on tubing that has both ends notched.Is there a way where I can cut the tubing in half so I have 2 individual pieces/files of tubing with 1 end flat and 1 end notched?
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Oct 23, 2013
Thinwall tubing in the Frame Generator? On a daily basis we use 2x2 sq. Tubing .065 wall.
Everything in there is 3/16 and thicker. We wind up modeling everything and not using the Frame Generator at all
which would reduce design times greatly.
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Dec 18, 2013
Attached are two sheet metal parts that we need to unfold and make them flat for a drawing. We cannot seem to capture the reference A or reference B planes asked for by the unfold command.
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Dec 5, 2011
I'm unfolding a 30x40x2 mm square tube for tube laser. The tube is imported from STEP format.
The flat pattern is 1,5 mm too narrow - even when I increase the K-factor to 1,0.
Is there any work around to get a wider flat pattern.
IV 2010
HP-Z200 Pentium 3,3 GHz
12 GB ram AtiFirePro V-4800
Windows 7-64 Pro
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Oct 4, 2011
I drew a very funky bracket in IV 2012. I tried using the sheet metal features but they wouldn't cooperate with the funky geometry. I ended up having to draw to sketch profiles, lofting to create a thin feature, and thickning it to material thickness. But this left me without any real bends that the unfold tool can recognize. I tried using the unfold tool (I know that's not what it's for) but it gave me some very funky geometry. I tried ripping out the lofted bends, which worked great, but that leaves me with twisted edges that the bend tool can't grab. how to either model this using the sheetmaetal tools, or how to make this thing unfold?
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Dec 14, 2011
I am constructing a pipe (made up by sections) in Inventor. The pipe is going to be manufactured by cutting pieces of metal in a flow jet, roll them, and eventually weld them together.
I was wondering if it is possible to "unfold" the pipe sections to the plane, so I easily can see the cutting lines for the flowjet?
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Jan 11, 2013
I am using Inventor Professional 2013 what im trying to do is create a flat pattern so I can send out to get formed. I need the panel to be 7.75" Width 53.50" Height and 2" Depth. When I click unfold where the 45deg is, it doesnt match up with the bend. Im not sure if its supose to be like that or what lines i need to keep to get the correct mesurments.
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Aug 15, 2012
I have a very simple solid that consists of a lofted solid that was the "hollowed" out via the Shell command
The sketches used to make this lofted solid were two dimensionally similar rectangles. One has radiused corners while the other does not. These rectangles exist on 2 separate planes that are 10" apart. This part (Shroud1.ipt) is supposed to represent a shroud that will be installed between the intake and exhaust of an air filter.
I wanted to convert this to a sheet metal part and then unfold it so I could see what the flat pattern looked like. However, when I attempt to use the "Unfold" command it fails. Similarly, the Flat Pattern command fails as well.
What do I need to do to get this into a flat? I'd rather not redraw this as a sheet metal part. I'm not that familiar with that environment.
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Sep 23, 2011
I have tube that has been generated on frame generator and notched to run into the side of another tube.
Is there anyway of unfolding the tube to provide a flat profile.
What i ultimately want to do is print the flat pattern off at 1:1 scale, cut it out and wrap it around the actual steel tube to be able to trace the profile onto the tube so i can cut the profile roughly before offering the two tubes together.
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May 10, 2012
Autodesk Inventor Professional 2011
Sheet Metal
I need to know the Kfactor to use for folding and unfolding Nickel Alloy 200 - 1/4 hard.
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Oct 7, 2013
I am trying to unfold a part created from a derived assembly like I usually do… why in the world will it not unfold, and show a preview of the unfolded in the other direction??
At first all was working… until I added a part (see the circled item in picture), and I don’t have any problem usually!
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Aug 7, 2013
I want to use the custom unfolding rules using Bend Compensation with an angular reference to the bending angle.
I have an Excel sheet where I have determined the bend allowance, the set back and from that, the bend compensation. When I compare these values to the values I get when using a K-factor linear unfolding method in Inventor, I get almost exactly the same results.
Tells me the formulas are working. So I implement the formulas in the custom equations. Exactly the same as in the Excel sheet. 10 degrees angle, great results! Yeah! 45 degrees, great results! More yeah! 90 Degrees, still going strong, I think I might make it!
100 degrees.... Fail! Every time an angle goes over 90 degrees, the result is crap.
I have been struggling with this all day long!! So in the end I completely erased the equations from the Inventor custom equations.I just say: Compensation is 1 mm. For all angles. This should no room for interpretation.
Again I try. I have a sheet metal part with two legs. A 100mm leg and a 50mm leg. Flat pattern should always be 151mm. Period.
Again, under 90 degrees and on 90 degrees, I get nice flat patterns. Above 90 degrees, it fails again.
Am I completely overlooking something obvious?? Or is Inventor really bugging on this?
I am working on 2012 SP 2
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Feb 22, 2012
I am fabricating some race bicycles and want to make my drawing's look as real as possible. I need to be able to draw the curves where the weld lines will be. Any Auto Cad has any special tool that will draw these for me?
Something like this.
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Feb 28, 2012
I am using the design accelerator to create a shaft with multiple features. Works well. This shaft is 90"+ in length and although I realize we create in full scale, having it display into my drawing in full scale is unnecessary because one diameter is nearly 60" long. As such I would like to shorten it by using a shaft end, but cannot figure how to do it.
Just to be clear, by shaft end (term used in Mechanical) I refer to the squiggly lines that basically fudge the OAL of a component.
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Mar 12, 2013
Recently any outlines that I put on Text or Objects has been coming out "Notched".
I cannot be certain when this started happening, but i have tested files I have created in X6, saved down to X3 and printed from a different computer (running X3) with the same result.
Even PDFs created from this installation of X6 have this outline issue.
I have uninstalled my printer and reinstalled to see if that was the issue (HP Color LaserJet 3700). This same issue also occured on a different HP Color Laserjet 4650. These are both using PCL 5 drivers, as installed by Windows 7.
I have also tried different "Line Caps" settings, but no luck.
This nex screen shot is a scan of the printout of the above file. as you can see the text outlines and box outlines are notched.
This is a screen cap of the settings i have used, although it doesnt matter if I use, behind fill or not, the result is the same.
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Nov 6, 2012
When I open a drawing, Inventor 2012 update views. The default option is Background update". The problem is the update never ends... I can use Inventor, but the background update is ne finished, so I can't print a correct drawing.
If I disable Back upDate it is ok, but how can I use it ?
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Aug 20, 2013
achieve this skin "ripping" edit on a picture of me.. possibly for free In other words, I would like to achieve a very similar if not same edit on another picture.If could rip my skin and leave a black layer under it,
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Mar 11, 2013
Basically a 2.5" id tube with a .06 wall thickness - 16ga exhaust tubing. Once I finaly got the drawing right, I cannot rip the part. The part has both ends cut. If one of the ends is left un cut I can create a sketch and put a point where I want to rip, and successully rip the part. If both ends has a cut end has a cut, there is a RIP error. How to overcome this headache? I am trying to make a template which If i can rip the part, I will be able to do so.
using autocad inventor
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Nov 29, 2011
what I would like to know is the 'simple' way to create a keyway on a shaft in the middle that does not connect to the ends. End connecting keys are pretty basic to draw and extrude thru (maybe still a better way?)
File attached for viewing .
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Jun 14, 2012
I've got the basics down, made a couple of basic parts and a simple assembly but having a bit of an issue with constraining a part at 2 ends.
basically, i've got a simple wheel with a piston attached, think steam engine drive wheel. Ive produced a frame to attached it all too and can position the wheel to the frame and piston to the wheel and the cylinder to the piston but when i try to constrain the other end of the cylinder to the frame it all seems to go wrong and things start jumping all over the layout.
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Oct 5, 2011
1. On the vertical upright pipes i want to make the the ends at the top flat (60mm lenght) .Can this be done from within the frame generator.
Inventor 2012
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Nov 25, 2011
I tried unsuccessfully to create a lip around a curve surface and there is no flat plane to select for the sketch. Wonder if this could be done in Inventor. My version is 2011.
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Sep 20, 2011
how to round a parameter using ilogic.
For example. I have Roperev=Roperev_1. Roperev_1 is determined by an excel equation. I need Roperev to produce a nominal number because this parameter dries a coil revolution and I need the revolution to be a whole number.
I can not just round the excel result because the excel result needs to be multiplied by 2.53 to get the resultant for Roperev_1
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May 14, 2013
Right now I am trying to model a concrete embed plate. The design calls for 1/2" round steel embeds at the contour of the line in the attached image. What is the best way to extrude this line into a 1/2" DIA dowel? I have tried the revolve command and sweep command without any luck... I know the sweep command would probably work the best but I can't seem to draw a 1/2" dia circle perpendicular to the line.
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Apr 10, 2011
I have gotten to a point where I have the round text,, I have a seal with a blank space.. I would like to put the round text into the blank space,, but when I try, and no matter how I try,, the text is a white square with round text on it when I try to place it in the circle.
The other thought that came to me,, what if ..(the text circle size was a guess) the text does not fit.. how do I expand or collape it? I know I have in the pass while playing with round text.. gone back to that effect and changed angles, start points etc.. is that the only way?
I have attached what I have so far. ( I tried to attach the Paint.net file but I guess you can't, so these are the two I am working on,, as layers in Paint.net)
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Jan 25, 2013
I have two cylinders that are at a right angle to each other and was wondering how to create a fin to "wrap" around the round edge and then intersect with the flat side of the other cylinder.
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Aug 7, 2012
Is there some super secret option for making fractions in the drawing environment round up to the nearest, for example, 1/16th? There has to be, there just has to be.
IV2012
Windows XP SP3 32-bit
Intel Core 2 Duo 6400 @ 2.13 GHz
Nvidia Quadro FX 3450/4000 SDI 256MB Vram
2 GB Ram
160GB HDD
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Apr 14, 2012
I have a square to round transition that I need formed up and the shop is telling me that they would prefer to split this thing at the corners rather than the flats. I've tried two different ways of doing this but how to handle this part. It's 10.75" OD at the bottom and 2'-4" square at the top and 1'3" in length and made of 1/4" stainless steel plate. The shop wants this in four bent pieces that they can weld together down the corners.
I've tried making just the one side but I'm not getting the results I would like to see. Making the full transition (as in the picture above) gives the finished result I am looking for but I can't separate it into multiple sides.
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Nov 20, 2013
I've attached the file (Inventor 2013). The sketch shown is a raised lip I'd like to have around a future opening. I actually want that sketch to wrap all the way around the body, but taper down to 0 in the rear as there are to be hinge plates. This is going to be a grill/smoker and there needs to be a 3/8" raised lip at the future seam of the top and bottom. Shown in the model is just the top portion.
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Jan 10, 2011
I know you can obviously set the tolerance in the styles to round to the nearest 1/16 or 1/32, but is there a way to make it always round a dimension up instead of to the nearest? IV2012
Windows XP SP3 32-bit
Intel Core 2 Duo 6400 @ 2.13 GHz
Nvidia Quadro FX 3450/4000 SDI 256MB Vram
2 GB Ram
160GB HDD
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Oct 1, 2012
When creating positional reps in Inventor 2012 SP1 it rounds them to a 3 place decimal. So If I want the constraint to be at 1.1875 it rounds it to 1.188. Is there anyway to change this to 4 place decimal?
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