AutoCAD Inventor :: Create A Loft With Intersecting Planes (vb)?
Apr 27, 2012
I want to create a solid using VB and loft definition.
I creat each time different planes that have a constant distance in x dimension and a steady rotation each time φ (deg).
On each each plane i sketch the same profile and that is happened for 360 deg.
The problem is that Loft is not made because a line of the profile must follow a line tragectory and all other points must follow a circular tragectory. Also, there is a problem from 180 deg to 360 because there is intersection of profiles.
The result must be a solid similar to snail shell but all the same solid, as a cylindar whith a half sphere in the bottom.
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Jan 3, 2013
How to create a measurement between two planes using ilogic rules?
I have created the planes on the asssmbly parts but dont know how to directly pick them.
The measurement is going to be used as reference dimension.
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Jul 20, 2012
I am trying to create a simple loft to show smashing the end of a pipe. I created the work planes based from the middle of the part. I placed a transition sketch and then a final sketch along with a center of the part sketch. When I could not get the transition to work I went back and added a sketch on the end of the pipe though I don't think it is needed. I still get nothing. I even followed the selection procedures from Wikihelp with no change.
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Jun 20, 2013
Im trying to create a shape like the attached image using sheet metal loft from one sketch to the second sketch. No problem doing that but i want to extend the neck on the small end 1 inch like the attached image.
Currently the product is produced using 4 panels brazed together. I want to create the product with 2 bent panels 90 degrees that are split apart from the loft.
Not sure if this even possible in the real world sheet metal house to develop the flat pattern.
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Nov 6, 2012
I am using projected and sketched geometry (2D sketches) in assembly space to create lines/ points that I intend to use to define planes and axes. The problem I have is that nearly all the geometry I create (lines and points in 2D sketches) is not "selectable" when I try to create planes or axes. I cannot even put a work points "on top of" my sketch points. Why are my sketches not usable in the assembly space? Since the components in my model are just two extruded rings I don't have any linear edges I can select to make this work/ define planes.
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Oct 17, 2011
Essentially, I'll be creating a sort of Venn diagram. So for the purposes of this exercise, let's assume it's the classic Venn diagram of three intersecting circles. But I need this to work with closed polylines, that may also have arc segments in them.
Anyway, so I have these intersecting areas, and I need to create bounding polylines for each area, and assess the number of overlaps. So, as in a Venn diagram, the areas where only one circle is present can then get shaded one color, areas where two circles are overlapping can get a different color, and the area where all three circles overlap can get a third color.
I'm clearly going to have to be converting the various boundaries to Regions, and performing some Unions. It seems I could grab all objects, convert them to Regions 2 at a time, and compare their Union'ed area to their individual area, to determine if they overlapped at all. With only the 3 cirlces, that would work, but when I have 35 individual polyline areas with arcs, suddenly this method feels like it will break down.
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Sep 27, 2013
layman what Autodesk is wanting me to change? Trying to use "loft" to skin the surface of 5 polylines. It will do the first, second, third and 5th for a surface, but doesn't like the 4th polyline I created.
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Jun 17, 2011
As you can see, the nature of my model forbids me from making a 3D solid using LOFT.
The top surface is consisted of 3D polyline and arc, which if "joined" will be become a spline.
The bottom surface can easily be joined into polyline.
If I loft the top and bottom, it'll only give me a LOFTED Surface, which is not I want (wanted a 3D solid).
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Apr 7, 2004
I am trying to modify a hoop instead of having a half circle, i half to cut the hoop short and add a flange, instead of starting over, is there a command I can use that I can create a flange and join the hoop and flange at the intersect..... the hoop was made using the fold feature...
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Feb 7, 2013
is there a command or workflow to split all intersecting surfaces? currently we build surface models and split manually or open in autocad, explode, overkill, breakall, then export the lines for rebuilding in an FE package.
Ideally we would like to export straight from inventor with one hit i would like to do the 5 splits below the EOP marker automatically
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Feb 5, 2013
is there a command or workflow to split all intersecting surfaces? currently we build surface models and split manually or open in autocad, explode, overkill, breakall, then export the lines for rebuilding in an FE package.
we would like to export straight from inventor with one hit
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Apr 9, 2013
I have a rectangular chute, tapering in width and height, and intersecting, at an angle, with a round duct. I can't seem to find a way to determine the cut-out in the round duct.
Because the chute tapers projecting the size onto a flat plane to then project onto the round duct doesn't work.
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Jan 7, 2014
I'm trying to find the intersecting points of a part that connects to the outside surface of a cylinder shaped part.
What is the best way to go about this? I have attached some images that hopefully illustrate my problem.
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Oct 29, 2010
I need to trim a part that intersects with many other parts in several different sub-assemblies - on an angle.
**Attached is an image of my problem.
Split tool is disabled. It is only usable once I drill down into the assembly/part - it will not select the other cutting objects higher up the browser stack.They become ghosted.
What I need is a tool that projects intersection lines. Does Inventor have something like this? Standard projection lines on the part is not working because the cutting objects are not 90 degrees angled to the part to be cut.
This may be easy,.. I am just not seeing a way to do this with out a bunch of work-a-rounds.
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Mar 9, 2012
In regards to sweeping, what does the title of the post mean (self intersecting paths or loops are invalid for this operation). I have a 3D sketch consisting of 1 straight line, one spline with 4 points dictated by 'points' and an arc. All have tangential constrains to each other and I am looking to sweep a circle along this path to create a bent wire. I don't have anypictures or files as it is a stand alone computer at the moment.
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Aug 6, 2012
Attached shows lines (Parts) are intersecting each other in drafting mode. I have tried all but I am not able to resolve this issue.
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Apr 23, 2013
We build ASME chambers that have ports and tubes that intersect at various angles. When these tubes intersect at a standard angle, center on I have no problem creating the sheet metal layouts for the tubes. The attached PDF shows one intersecting at two differnet angles, off axis.
he sheet metal layout fo the tube part? I have modeled it pretty well, I just can't figure unfolding the tube portion. The head is a buy out item, we have that.
I have to ascertain two things ultimately, the hole size/layout (easy) and the tube (stumped).
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Oct 8, 2012
I am working on Sweeping three helix profiles around a cylinder to create a screw thread. When I sweep the profile, Inventor gives me the error messages:
"The attempted operation would create a self-intersecting surfaces. Try with different inputs".
or
"The attempted operation did not produce meaningful intersection edges from the face-face intersection. Try with different inputs".
However, this is exactly what I need to create the helix profile I require and eventually increase the size of the Extrusion Sweep profile to 80mm. When I increase the sweep profile to 80mm I get the same error message about the self intersecting surfaces.
I am working with Autodesk Inventor Professional 2011, 64bit, 8gb RAM, Windows 7, Intel Core i7-2860QM.
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Oct 15, 2013
I have 2 problems:
1. created a turbine whose blades are made from some planes that I applied thicken offset command. I applied circular pattern to multiply the blade around center point but i get too many planes and i must to make invisible each one. How can i make invisible all planes in the same time.
2. After i make them invisibile i exit from that part but when i start that part again or when i place it in an assembly all planes are visible. What should i do to make them invisible for ever.
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Feb 27, 2012
I need to shell out a Loft in the attached IV 2012 part file.The Loft i tried also as a new solid but the shell also cuts into the cylinder ( revolution 1 ) . I only want the 2 sides and bottom of the Loft to be Shelled, not the cylinder. What do i need to change to get the shell to work?
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Sep 27, 2012
My model is up in the top right of the planes. I cannot figure out why my origin planes are oversized like this. I have went through the browser and checked all the parts to see if something is out there, nothing. I have set auto-resize on origin planes and yet these are large.
Dell XPS 8300
Intel(R) Core(TM) i7-2600 CPU@3.40GHz
16GB RAM
Win 8.1 Pro
Autodesk Product Design Suite 2014
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Dec 17, 2013
I just installed inventor. When I begin a part there is no display of the planes, only the corner indicators show up when I hover over a plane. Also, when a part is created, only the edges show up when I hover over them.
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Nov 13, 2013
recently installed inventor pro 2014 on a school computer for a project we are doing, one problem. when i click 2D sketch nothing happens, so i have no wau to make a sketch.
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May 15, 2013
In a part file is it possible to find the adaptive workplanes used to create extrusion1. And then find if the two workplanes are at an angle with respect to the origin planes.
Have been looking for a while but it seems hard to find information on workplanes
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Apr 10, 2013
I've created Custom properties, parameters, to get the outside measure of the parts and it works fine until we create and leave activated a work plane outside the part so it measures not until the end of the part but until the plane.
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Sep 6, 2013
Isn't this an important part of sketches? Why would I not be able to project a work plane.
Cannot project any w-planes whether default or created in inv2013.
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Sep 11, 2013
i have assembly and i want make drawing of part of it. Part of assembly i want to show/draw is between two parallel planes. How can i do this?
I'm using inventor 2010.
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Nov 7, 2009
I'm loft retarded. What I did here was loft to a tangent work plane, then did a sketch on the top surface and extruded the shape that I want. There has to be a better & easier way.
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Nov 6, 2011
I have a cylinder on top of a curved surface; I want to make the cylinder land adaptively to the surface, so I projected the circular face of the cylinder in the surface, which ended up being a 3D sketch. I tried to loft a solid between both curves, but it always gives me errors. Some examples are:The attempted operation did not produce a meaningful result. Try with different inputs.Multiple disjoint loops found in a profile section.
I have had success when trying to do the same thing with curved surfaces in two dimensions only (e.g. extruding a 2D curve), but I think the error is produced since the curved face I am trying to use belongs to an elipsiod.
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Jul 24, 2012
Okay I've been building random things to teach myself how to use Inventor and right now I'm stuck on a rim I'm creating. My question is.. is there a way to copy and paste a lofted item since there are three parts to it (2 planes and 1 guide) because I need 4 more spokes and if I copy the loft it copies all three parts seperately. Then when I paste and orientate the small end of the loft to the plane I want it tells me "Unsatisfied Geometric Inputs".
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Aug 29, 2011
I am having trouble trying to get the Loft-1 to run the same shape as Revolution-2 .Picture 1-1 shows how Loft-1 is slightly off centre to Revolution-2 at the top .could i model the Loft-1 and Revolution-2 using different tools in one command making it a smooth shape. Another problem i have is how do i make Revolution-2 at the end terminate into Revolution-1 smoothly.I tried using Loft but it kept getting fail message.Picture 1-2 shows where to terminate the end into the Revolution-1 body.
Inventor 2012
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