AutoCAD Inventor :: Get Loft-1 To Run Same Shape As Revolution-2?
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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Jun 10, 2012
I am trying to loft a port shape for a project. I have been able to loft pretty much the same thing when part of a larger model but this time around it keeps giving me an error.
In the past i will loft the whole part then remove the inner portion to get the port.
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Oct 16, 2013
When I make a loft, from a 12x12 square to an 8" circle (12" high for the sake of arguement), the corners of the square kind of loft up to the circle where it's corners would be...leaving a sharp break between the planes
Is there a way to make it look like the sheet metal lofted flange appears? So that the corners of the square drift to the quadrants of the circle, making a smooth transition?
Inventor 2014
Windows 7 Pro SP1
Intel(R) Core(TM) i7-3770k CPU @ 3.50GHz
16GB RAM
NVIDIA Quadro 4000
3D Connexion SpaceMouse Pro
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Oct 30, 2012
Is it possible to loft a shape which includes a hole or a section missing?
I am trying to loft the following shape but it doesn't seem to work with the missing section in the middle. Currently the 2 sketches are the same but in the actual design they aren't. i wanted to test if it would work with the same sketches but it doesn't.
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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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Jul 19, 2012
I've assembled a bolt and a slide block that is constrained to a base plate and am able to put everything in motion. I have the slide block constrained to slide the distance of the base plate and when I reach the end the bolt continues to rotate when, if this was a real part, should stop. How can I get this bolt to stop once the slide block reaches its ending constraint?
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Oct 29, 2013
I am trying to insert a revolution joint into my assembly but it seems it does not exist. I have attached two screenshots. One is from a tutorial I am going through which contains a longer list of available joints. (More.png) The other is the assembly I am working on which contains less available joints. (Less.png)
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Jul 1, 2013
I'm having trouble with a tangent constraint. I have an adaptive part in an assembly and it is a revolution. I am able to constrain the top and bottom of the part so that it expands and contracts with my assembly. But, when I go to constrain the sides of my part via the tangent constraint I get an "inconsistent constraint" error.
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Apr 5, 2013
See Shell 2 .. it shells out but how do i have the Shell to the curved face on Revolution 1.I want the Shell to cut through Extrusion 1 and to the Revolution 1 curved face.
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Jan 31, 2011
I am having multiple problems creating a loft. Firstly, it seems as if the "loft" command remembers and uses history of the objects to be lofted, which in my case meant that instead of lofting the scaled down (correct) version of a shape, it insisted on lofting the former, out-of-scale version. It would be great to know if there's a more conveniant workaround to this than redrawing the shapes (as I ended up doing).
Secondly - and this is where I'm stuck now - 3ds will not let me do a loft with the new, redrawn shapes. The loft accepts two of the shapes, but will not let me select the remaining three, claiming that "the shape has a different number of curves than others in the Loft". My question is thus: What should I do to be able to see and edit the number of curves in the shape, so that my Loft will be valid?
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Nov 24, 2012
I've been playing around with autocad rendering, I have the bowl which is revolution of a profile but it is 'ruled' looking. I changed the options in preferences to some higher numbers and regenall and everything smoothed out but the bowl. is there another setting somewhere for this? Also the spacers on the table are chrome, but are not showing the material.
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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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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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Nov 22, 2013
I have created a loft from 4 different sketches. Now I want to make a drawing with the front, side view and the dimensions of the 4 profile sketches from the loft. But I can’t find a way to put the sketches from the part on my paper. It works with copy-paste ;^) but this is not the way I want it (it’ll not change when I change the profiles in the part).
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Aug 30, 2013
this message appear with "loft" between blade sections the attempted loft operation resulted in self intersecting surfaces.Try with different inputs
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Jan 24, 2013
I was wondering if it is possible to make a surface loft go from 1 square section to 2 round sections.
So 1 ingoing section en 2 outgoing sections.
I've attached a simple drawing.
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Oct 8, 2012
I am following the U-Tube exercise called "Emergency Light (Cabinet) volume 1". I am at time stamp 1 hour 26 minutes, exactly.
In the video they use a Loft command in order to cut a shape out of two sketches numbered 10 & 11. I have been copying exactly and am having difficulty at this stage of the model.
Is there any reason why I am managing to use the Loft command earlier perfectly but not at this point.
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Jul 5, 2013
Using the image below, I want to removed the yellow extrusion up to the red circular edge, I assumed split tool would do this.
And I don't require this but i would like to show the splines on the ends to "feather" out to the round like the actual axle does. (this is just for aesthics) I have the extrusion done, But I can't figure out feature is requied to do this, loft?
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Apr 16, 2012
I have a part that I'm trying to loft using 3d sketches for the rails will this work? Everything is fine till I try to add the rails, As you can see the loft works with out the rails.
Windows 7 x64
IV 2012
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Jan 20, 2013
Im struggling coming up with a loft or sweep to get the design effect I need. see on the pic how the profile terminates to a point.
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Dec 7, 2012
I'm trying to produce this loft but the rail I really need it to follow won't produce any results. The other ones on the 3d sketch will work just fine but not the regular sketched one. It seemed to work when I made the rail a straight line but I need it to follow the edge of the surface which is a line, tangent to small r3 arc, tangent to line and connected through projective geometry from the original surface sketch.
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Jul 19, 2013
how to loft from 2d sketch to circular surface.
I have attached the model in this model I tried to loft Sketch 6 to Sketch 19.
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Jan 3, 2012
attached are 3 files that demostrate what is happening when I select a profile to loft and the rails of the Surface and how it changes the profile and how I can get a straight back edge not bowed in like it did to the front
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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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Nov 13, 2011
In the attached sample file if you edit the sketch in the first surface feature and change the dimension of 600 to 700, both the patch and loft features fail. It seems to be the curved edge that is the problem in both cases.
I cant see anything wrong with either way of modelling this so assume its a bug.This causes other problems in my real model with parts that reference these types of surfaces falling apart further down stream and is wasting heaps of $$$.
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May 1, 2012
I made this part, which is a loft consisting of five symmetric squares. I plan on laser cutting each side, which would be exactly the same.
I can't seem to figure out how to make a flat projection of one of the sides. I have tried in sheet metal, but I don't use that feature in my line of work.
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Feb 16, 2012
I work at a car seat company, and we are just now, starting to draw in Inventor. I have problems drawing the seat belt. Here is my first try:
I have tampered with this one! From this angle it looks ok, but it isn't right. I have tried using Loft and Sweep, but with no good results! The seat belt is static in the shown position, but should be able to adjust onto another seat.
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Jul 18, 2012
I am having to model a spiral slide in sections, and the top piece has this weird angled lip where the opening distorts. Im simply trying to take the face of the extruded part (in three sections) and loft it to the sketch on a different plane. And use the sketched curve as the centerline.
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Jul 30, 2013
The rotor is composed of cylinder and a solid lofted between two 3D profiles. The attached part file is correct. To reproduce the error- change the "inlet_width" parameter from 12mm to 10mm or less (it is a parameter in "Blade Profile" sketch). On updating the part there will be infinitesimally thin solid layer on outer diameter of the cylinder.
-3D Sketch profile is a projection not from the "Blade Profile" sketch, but from a plane offset from it. This was first attempt at a fix. I suspected the original tangent work plane to intersect the cylinder.
-Creating a new solid body from loft was the only way to avoid errors such as "non-manifold solid".
I will be creating multiple versions of this part and I need to be able to safely adjust the "inlet_width" and "outlet_width" parameters. I will be grateful of any proposed fixes/workarounds to that glitched behaviour.
EDIT: The version is Inventor 2014 Educational.
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