AutoCAD Inventor :: 2010 - Unfolding Square Tube

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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AutoCAD Inventor :: Unfolding The Tube To Provide Flat Profile?

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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AutoCAD Inventor :: Get Small Diameter Square Tube

Feb 26, 2011

How can I get square tube as small as 1 inch in frame generator. The smallest I have is 1 1/4. Is there a content library that I can download that has smaller square tubing.

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AutoCAD Inventor :: Calculating Tube Length (not Tube And Piping)?

Mar 16, 2013

I have a question about calculating the maximum tube length. Why do i ask this, because you can just measure it on drawing?

I'm building a parametric model for building simple storage tanks, and the goal is to get a complete BOM out of the model without any difficulties.

I have 4 possibilities of tube positioning on the tank. (see image)

1. A tube that stands in the center of the axis of the main tank.

2. A tube that stands in the center of the axis of the main tank, but under an angle

3. A tube that doesn't stand in the center of the axis of the main tank.

4. A tube that doesn't stand in the center of the axis of the main tank, but under an angle

These 4 possibilities can be flush with the inside of the tank or not.

Is there a easy way to determinate the longest point from the front of the tube? This longest measurement will be the length i need to get into my description for the BOM.

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AutoCAD Inventor :: Repair Tube Constraints In Tube And Pipe?

May 27, 2013

How do I repair a tubing constraint?

I use tubing in inventor, I always attached tube to whatever fittings I am using and everything is fine but if something gets moved that the end of the tube loses its contraint I'm ready to jump off a cliff!

Is there any way to get the end of the 3D sketch contrained to the fitting again?

Up until now I have always had to deleted the route and started over. Inventor Pro 2014

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AutoCAD Inventor :: Tube Frame With Tube Connectors?

Oct 10, 2013

I want to build a pipe or tube frame and use tube or pipe connectors to join the pipes.

What is the best way? "Tube and pipe" or "Frame generator"?

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AutoCAD Inventor :: Unfolding Sheet Metal

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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AutoCAD Inventor :: Unfolding Twisted Sheet Metal Part

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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AutoCAD Inventor :: Unfolding A Pipe To Find Cutting Lines

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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AutoCAD Inventor :: Unfolding Panel Doesn't Match Up With Bend

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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AutoCAD Inventor :: Converting A Part To Sheet Metal And Unfolding?

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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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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AutoCAD Inventor :: Kfactor Value To Use For Folding And Unfolding Nickel Alloy 200 - 1 / 4 Hard

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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AutoCAD Inventor :: Unfolding A Part Created Form Derived Assembly

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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AutoCAD Inventor :: Use Custom Unfolding Rules With Angular Reference To Bending Angle

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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AutoCAD 2010 :: Background Grid Is Not Square?

Mar 14, 2012

When you first open AutoCAD, the background grid is not square, so a square will not look like an actual square on your drawing. 

How do you change this?

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AutoCAD 2010 :: World UCS Has Reset Itself Square To Screen

Mar 19, 2013

In my drawing I have set my UCS to a gridline (I'm drawing up a survey from a construction site), named the ucs 'square' and then set Plan view to Current so that it is nice and square to the screen. I saved the drawing in this plan view.

However, when I reloaded the drawing this morning, my 'square' plan view has become 'World'. Also my 'square' UCS has disappeared from the list of UCS's. I thought this was just a funny bug so I typed 'UCS' followed by 'w' hoping the world UCS would go back to the real one, but nothing happened. As far as I know it is not possible in ACAD to rename, alter or in fact do anything to World UCS (for good reason), but this is what ACAD appears to have done all by itself.

Luckily I have all the site gids saved in their 'world' orientations so I can get round it by a simple bit of copybase/paste/rotate, (but it means my dimension text is all going to be skewiff).

As a caveat I should add that I am a very exprienced ACAD user (7years) and regularly work in 3D in all kinds of views and UCS's and I've never had this happen before.

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AutoCAD 2010 :: Pick Box Turns Into Rectangle (not Square)

Dec 8, 2011

The pickbox keeps turning into a rectangle and not a perfect square.  It's width is less than its height.  This keeps happening and is annoying.  When I close AutoCAD 2012 and then reopen the drawing its a square, but soon turns into a rectangle. 

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AutoCAD 2010 :: How To Convert Millimeter To Square Meter

Feb 18, 2013

I am using AutoCAD 2012, my drawings dimensions are showing in millimeter. i want to change millimeter to meter.....

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AutoCAD Inventor :: How To Add Tube To Connectors

Dec 3, 2013

What way do i add tube to the connectors.Should it be added in assembly or as a separate part?

Inventor 2013/2014

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AutoCAD Inventor :: Spikes On Tube

Apr 2, 2013

How to create spikes on tube. I've try several way, but no success. I've try to mate with holes on plate and than to bend half of the plate, but not succeed.

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AutoCAD Inventor :: How To Get Tube And Pipe Add-on

Jun 18, 2012

how to get the tube and pipe add-on? I do not already have it and I have not been able to find much information on how to get it.

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AutoCAD Inventor :: Tube Get Hide After Zooming Near It

Dec 29, 2013

> In Inventor , here we see the orange color tube shown in the attached screenshot.

 Attched File : Frames11

> But after zooming it nearby it’s get disappear as shown in the attached screenshot.

  Attched File : Frames12

> One more shocking point is that we open this same drawing on other PC and there it’s display corrrectly.

Any solution for this hide tube. We are using:

Software :  Inventor Ultimate 2014-64 Bit
Hardware : Workstation Dell Precision T3600

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AutoCAD Inventor :: Twist Rectangular Tube

Dec 24, 2013

Im trying to reproduce the part attached. Its a rectangular aluminum tube. .320 x .180 approx an inch long. I tried lofting 2 sketches but the result does appear like the attached image.

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AutoCAD Inventor :: Cut Across Bend Around A Rolled Tube

Feb 14, 2012

I'm trying to do a usable and real flat pattern for a laser cut on this type of part and I'm not able to do a cut across bend or other wrap around face feature.

Any method to do such a feature ?

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AutoCAD Inventor :: Tube Frame With Connectors

Oct 10, 2013

What is the best way to draw pipe frame using "KEE KLAMP" connectors?

Pipe and tube or frame generator?

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AutoCAD Inventor :: Making Tube Between Two Circles?

Oct 28, 2011

I've been trying to make tube between these circles but I can't figure it out how to make it smooth. I tried sweep too but that didn't work too well. Here's picture of my try without sweep: [URL]

You see that it leaves corners on the back. I would like to have it so it's smooth and has same angle. How should I do it?

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AutoCAD Inventor :: Tube And Pipe Errors

Sep 25, 2013

I inherited this assembly from another user.  In making some dimensional changes the pipe runs have now errored.Not having ever taken any training courses in T&P, my knowledge is just based on simple straight forward runs.

This on the other hand is bit more complicated.  As you can see from the image I have this one run that has errors.My question is with the violation, is there anyway to pinpoint exacty what the violating member is?

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AutoCAD Inventor :: Compound Miter On A Tube

Sep 20, 2012

I have several parts to get cut for one of our customers.

The provided the pdf I have attached, and I need to create and .ipt so we can cut it on our tube laser.

This is getting the better of me on how I would put my work planes in order to get the correct angles.

How to accomplish this?

Lenovo Think Pad
Windows 7 SP 1
64 Bit.
Inventor 2013
ACAD Mechanical 2013

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AutoCAD Inventor :: Tube And Pipe Constraining

May 10, 2013

I'm just getting started using the Tube and Pipe environment for some of my work, and I've got what I'm hoping is a simple question with a simple answer. In the picture attached I've got a 1" pipe dropping down into a 8" pipe which I've disabled because it's a standard part right now and I want to replace it with a tube & pipe run. The thing I seem to have the hardest time doing when routing my pipes is aligning/offsetting my nodes with existing geometry in the assembly. In this case I want the end of the 8" pipe to be 12" offset from the centerline of the 1" pipe, and for the 8" pipe's centerline to be 12" below the bottom of the mezzanine's I-beam (as the standard part it is now). What's the best way to do this in the Tube and Pipe environment?

I tried "Include Geometry" from the "Create" panel but that only lets me create planes, which won't work with offsetting from the 1" centerline. However, SOMETIMES (it's a big sometimes) ALL of the options in the "3D Sketch" tab are available. When that's the case, I can go to the "3D Model" tab and create workpoints, axes, and planes. Sometimes, though, they're not all available, and I'm not able to place anything but planes. How I can change it so I can always use all the geometry of my assembly?

Also I'd like to know if constraing fittings and point-snapping routes to my assembly geometry in this way is the best way to do Tube and Pipe routes. Will doing this allow my routes to update if the assembly changes?

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AutoCAD Inventor :: Copy Tube And Pipe Run

Sep 24, 2010

I have just completed an assembly and in this assy. I have a tube and pipe run. The original frame holding this pipe was 1m*1m*2m. We are now building a smaller unit with the same design. The pipe run is exactly the same except for the pipe diameter.

I tried to save as the pipe run to a new name and change pipe diameter but it gives me this error seen below. Do I have to make the whole run again? If i change run I have now to what I need for smaller frame I lose original sizes for first frame size.

Problems encountered while saving the document.

Save failed because the following files have been modified and must be saved together with Cooling_Skid_Type_I.Tube and Pipe Runs.iam:


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