AutoCAD Inventor :: Spline Design Generator - External Involute Spline Error
Sep 28, 2011
I'm trying to create an external involute spline (ANSI B92.2M) Fillet Root Side Fit 26.9mm x 1 mm x 26 teeth x 38 mm long using the spline generator with Inventor 2012. I created a test shaft"M-182-AMA.ipt" that is Ø26.9 mm x 38 mm long with 1 mm radius on each end of shaft.
I use the following steps:
1. After creating component "M-182-AMA.ipt" I select Design tab>>Power Transmission>>Involute Spline.
2. A window appears that has the caption "Involute Splines Connection Generator".In the Dimensions section I choose "Splines Type: ANSI B92.2M - 37.5 deg, Fillet Root, Side Fit, 26 x 1.00 x 38 x 5H/5h" and change the Length to 38 mm.
3. In the Shaft Groove section I use Create new, and I push the Reference 1 button that turns blue, I then select the od feature from the model and I get an error(see attached pic "error1.jpg).
I changed the 26.9mm od to be 27mm and it still gave me the error.
Work Station : Dell Precision R5400
OS: Windows 7 Business 64 Version 6.1.7601 Service Pack 1 Build 7601
Processor Intel(R) Xeon(R) CPU E5405 @ 2.00GHz, 1995 Mhz, 4 Core(s), 4 Logical Processor(s)
BIOS Version/Date Dell Inc. A10, 4/30/2012
Graphics Display Card: ATI FirePro V4800 (FireGL V) 1.00 GB Adapter RAM
Computer Memory: 8 GB ECC RAM
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Nov 3, 2013
We have some details of Internal Involute Spline profile,.Now it has to be made by EDM Wire cutting,.I need the nomenclature of Internal Involute,.
I browsed in Internet and I found some details, but all of them explaining Major Dia, Minor Dia, Spline pitch, Circular Pitch, tooth Thickness, etc,.But I need how to draw the involute,Please see the attachment "How to draw this" Automated Programs are secondary, reasons,.
1. I am a Mechanical Engineer, I should know how to Draw it, also I am addict in Mechanical Engineering, so I like to know it,.
2. Installing Software's are prohibited in our organization, it can not be done without Higher officials permission, also it will take time to finish this process,.
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Jan 26, 2012
Here I enclose file Cam_Profile.ipt, this is a spline curve made from an Excel matrix with 670 points in 3 decimals accuracy (VBA editor)
Extruding is not possible because of self intersecting path.
I want to trim both two free ends from the intersection and also close the intersection for extruding this profile. However ....., without displacement of any current point in the perimeter of the closed spline!
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Nov 18, 2010
I have created a shaft and splined one end of it successfully. The shaft is the same diameter at both ends and I need to spline the other end as well but when I try, I get the following error messages, Cannot create iFeature. Not possible to create shaft groove. Splining the first end went without a hitch but Inventor absolutely refuses to spline the opposite end of the shaft. The shaft diameter is correct for the spline I have chosen (same as the major diameter)
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Nov 7, 2013
I have a group of Points coming from a step.file. So I don't have their coordinates, excel list or anything else. Just the step file. Around 100 points. There is a line between each 2 consecutive points.
Is there any way to select all the points and create a complete spline? Or even to select all the points and create tangent arcs between all of them?
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Jun 19, 2013
In Vers 2013, IV finally added the ability to manipulate a [3D] spline by dragging the control handles (way behind the curve on this one).
However, dragging "a" control handle causes several of the other control handles to shift as well. Puts a big limit on the ability to customize yout path. Splines are supposed to be one of the unrestricted free form tools for modeling.
Is there any way to turn this "feature" off ? I need and should be able to have discrete control on each control handle. (I had this way back in SW)
Also, there is no 'axis' for the control points unless you count the const lines that connect the control points and I don't. I should be able to select an axis and be able to shift the direction and level of influence of each side of the control point axis.
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Jan 14, 2013
I have a spline that runs through about 70 points to make the perfect line. But when I rotate the sketch the spline turned from green to black and is no longer recognised as a boundary. I then have to delete the black line and re-draw. How do I keep the spline green and usable?
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Jun 21, 2012
When attempting to break the link on a projected spline, the spline type reverts to what appears to be the legacy AutoCAD type of spline (see image).
Is there a way around this other than drawing a new spline on top of the projected geometry and working with the new spline?
The idea was to project the shape, break the link, then ,ove the shape to a new location in preparation for a lofting procedure.
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Dec 6, 2012
Is there a way to disable visibility of spline end squares, in a sketch?
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Oct 20, 2012
Crashes on a simple extrusion... VERY basic spline...
(When I click extrude... I doubt it's even a complete closed shape yet)
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Mar 21, 2013
I am currently attempting to dimension to a spline in an orthographic drawing and running into some issues. I can't seem to find a way to properly dimension rather than making microscopic holes in the piece and that way giving the .idw something to grab on to for dimensioning.
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Oct 23, 2012
I need to be able to extract all "X" and "Y" axis points from a "spline" created in a 2D "sketch" and display them in the "Debug" window (for test only).
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Jun 28, 2012
Trying to find a way to increase the size of the 3D spline nodes so that they can be seen easier. Is there a setting to control this?
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Jan 13, 2014
I am totally new to Inventor. I have a lot of experience in Illustrator and Photoshop; what I want to do is possible in those programs, but I have not figured out how to do it in Inventor.
Essentialy, I want to make a closed path from a spline and a straight line— this will become a custom shape that I want to turn into a solid. Is it possible or should I just use the split feature?
In the end, I am trying to make a solid that is similar to a section of this necklace, minus the curved portion that connected them to the necklace, itself.
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Jan 23, 2013
I am drawing an airfoil profile in Inventor for use in a CFD package. I have a system of points which I am plotting and connecting via the spline function and extruding them to form my blade profile. However, when I open the drawing in the CFD programme, it is recognising the spline as a series of straight lines instead of one continuous enclosed shape. The CFD programme I am using require a negative (i.e a solid drawing of where fluid is flowing). I have attached the inventor file I have created.
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May 29, 2012
How to pattern a feature along a spline curve so that the resultants are separated by an equal linear distance (chord length), rather than as a function of the spline curve's length?
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Aug 9, 2012
I have a client who is replacing a large fleet of machines located in premises throughout the country. In theory the replacement program should be straightforward..... however machine dimensions have increased slightly, new service access doors have been added and user control switches and indicators have moved. I have Inventor Assemblies of the machines to show the door and body changes, but not the complex user interface panel (buttons and switches). If I could only import a sketch of the interface panel, it would look great in an Inventor drawing and I could dimension the all important position of components on the interface panel.
I have PDF drawings of the fascia panels which I can import to Adobe Illustrator and save as a DWG. When I look at the DWG in AutoCAD Mechanical, all looks well. When I import the drawing to Inventor part sketch however lots of spline control vertices appear. I cant delete the control vertices in AutoCAD or the drawing falls to pieces when imported to Inventor.
How then do I hide the vertices from my sketch in Inventor. Am I doing things the hard way? Are there shortcuts to importing PDFs in Inventor?
Inventor 2013 sketch mode is excellent as I only have to change one dimension to scale my sketch. I can also stretch/manipulate the sketch to make up for any errors in the original PDF.
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Jun 27, 2013
I am trying to create a 3d surface by importing points from an excel file. I have been using "import points" in the 3d sketch mode, and checked off the box that says "create 3d spline." But this just causes Inventor to freeze and crash. My excel file had about 2000 points, all of which lie on the surface I want to create in Inventor.
Should this method work in theory, and do I just have too many points?
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Mar 21, 2013
I want continuously to display the loop measuring of a Spline/Arc/Line/Slope (or even have it as a dimension / parameter on a sketch/part) because it change in relation to the block-position that constrains to the slope.
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Oct 28, 2011
Many times I see that these types of irregular shapes which comprise of spline curve are created with very less or no dimensions, so I want to know how this spline curve was created and can be controlled, if I want to create it in an exact manner what dimension I should use ?
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Jul 11, 2013
How to curve a piece of sheet metal over the outside curved edge of the attached part. I can do it the old fashioned way but was wondering if it could be done in sheet metal which would give me the flat pack automatically (that way there is less chance for errors). There are several of these baffles joined together by a spine and the sheetmetal will eventually go over all of these, and have a few modifications to shape the end profile.
The outer curve is a spline which has changing radius and hence to use a contoured roll would be rather difficult and time consuming (there are also some flat sections at each end of the curves as well).
Autodesk Inventor Professional Student 2013 is the version I'm using.
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Aug 29, 2013
I am now trying to model a fuselage for an RC plane and am trying to copy a spline from one work plane to a new one and link them together so that if I edit one, it is reflected in the other. Copying and then pasting into the new plane doesn't link the two splines together.
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May 7, 2012
While tracing a tree image using splines for a school project i have run into some problems...I am creating a pattern for a plasma cutter.
When i move the points of my spline sometimes it causes the whole spline to randomly move around and twist and turn where there are no points. Also sometimes when i open the drawing some of the spline lines are out of place while the spline points have not moved.I have tried to constrain all the points but it turned into a mess.How can i stop this from happening?
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Dec 4, 2011
API enhancement/fix in SP1: Cannot create a radius dimension on circular drawing curves projected from spline edges.Does it in some way trying to refer to the issue with nonplanar arcs turning into splines in drawings saved-as AutoCAD .DWG?
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Sep 23, 2011
new user to Inventor Professional. When I go to insert a Spur Gear, or anything else in the Design Ribbon infact, I click on the icon and no table ables to specify and place my object.
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May 28, 2013
Trying to make an internal gear with design generator. I fill in appropriate info, click the 'internal' check box and when I generate I still get an external gear (using component).
Tried creating a part with the proper bore (root) diameter first and use feature...it wipes out my part and creates and external gear with virtually no bore.
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Apr 30, 2013
I've created four lines and want to spline the end points. Heres my
Public Sub CommandButton4_Click()
Dim pt1 As Variant
Dim pt2 As Variant
Dim pt3 As Variant
Dim pt4 As Variant
Dim pt5 As Variant
[code]....
I get a runtime error - this should be straight forward..
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Apr 24, 2012
I can not get the SPLINE shown *attachment* here to show up in the PDF form of AC 2012 Lt.
No issues with the DWG version. I changed the layer and the color. The rest of the sketch is perfect, just NO spline ( Codend Tie Line).
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Aug 22, 2013
how to Explode Spline?
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Aug 20, 2012
How can I draw Spline with fit points in AutoCAD 2013 .NET API using my own jig?
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May 20, 2013
What changed between acad lt 2007 and acad lt 2012. Cannot draw a simple 2 point spline curve in 2012. how I do it? Is it a sys variable changed somewhere?
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