AutoCAD Inventor :: Helical Gear Tooth Profile / Get The Right Helix Angle With Coil Tool?
Dec 8, 2012
I have generated a gear set using inventor. Now I would like to 3d print the gears. I have uesd the export tooth shape to get the true tooth profile. now I am attempting to use the coil feature to generate the helical tooth. The problem im running into is in the coil tool I can only give it a Revolution and height dimension. The hight is the width of the gear, but I am having a problem converting the helix angle to the "Revolution" perameter. I have read other posts and they say that it is Helix angle / 360. I have tried that and then compared it to the original gear generated by inventor and it is not even close. I need to do this on in internal gear and match it to an external gear.
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Jul 8, 2012
I want to draw helical gear in autocad 2010. How to draw helical gear tooth frofile in autocad.
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Apr 8, 2010
I want to make the tooth profile of spur gear specially for sugar mill roller pinion which have big teeth.
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Jan 28, 2013
The attached file shows a gear tooth profile that I need to sweep along the lines shown. The problem is those lines are not all parallel to the UCS The tooth profile is a region.
Is there a workaround to make this happen? I used to do this all the time in 2008.
I couldn't attach the file 'cause it wss too big so I saved it as a PDF but now I can't attach that because it is not a DWG
How do I attach a PDF?
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Dec 19, 2003
I need an ipart for helical gear.
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Jun 5, 2012
When showing a gear in an inventor drawing they look good, but showing a helical gear SUCKS! The display, I realize, is very realistic to what you would see if you held the gear in front of you at this view point or that.
Problem is, I put a helical gear drawing on the shop floor and they machinist wonder why I have two rows of teeth on the gear (since it shows the front face and the helix'd gear teeth).
Any way to remove said offending gear teeth?
Inventor 2014 PDS
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Nov 12, 2011
How to draw in Autodesk inventor Helical Gear using Flex option (this option you can find in SolidWorks) below I put link to SolidWorks where this options allow to preper gear by rotation of existing solid. Where do i find this option in Autodesk?
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Dec 22, 2012
How to create a 2D drawing (standard mechanical engineering drawing) of one tooth of gear such as below image?
[URL] .......
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Nov 25, 2012
I am drawing a gear and now i need to connect points to draw involute for a gear tooth: [URL] ...
Points are numbered. I'm trying to draw with a spline, but i don't know where to put last point of a spline to draw an exact involute - like for example - if i would draw like this and press enter - i would get this spline: [URL] ...
But if i would move cursor in a different direction and then press enter - i would still get almost identical spline, but still, not the same: [URL] ...
So how do i draw an accurate involute? Maybe i should draw one more point and then stop drawing spline?
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Feb 2, 2013
I have created a 3D model of a helical gear. The process followed was to use the profile of one tooth, which by the way is a true involute shape, then displace that profile and rotate it the amount needed to equal the face width of the gear and to match the helix angle. There is also a profile located at the midpoint of the gear. The profiles are all closed polylines.
I then used the LOFT command to create a solid tooth. It looks exactly like it should. I tried to use the SWEEP command but that rotates the profile 90 deg. from the path. Extrude won't work because the path is a 3D line in space.
I then invoked the POLAR array and put 28 teeth around the center of the gear. That too looks exactly as I would expect it to.
BUT - when I try to UNION the 28 teeth into one solid, AuotoCAD 2013 stops working. And that occurs the moment the cursor touchs any part of any individual tooth. If I try to UNION the array by dragging a window over it, it stops when the window gets about halfway over the model.
The computer is a Lenovo S-30 workstation with 8 Gig of ram, an nVidia 2000 with 1Gbyte of video memory and dual 1Tbyte hard drives.
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Jun 15, 2011
I am trying to put a helical coil around a curved spline as shown below. why my image wont upload its only 18k?
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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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Jan 20, 2012
Inventor 2012
I'm not able to get the right gear rotation in a planetary gear drive that I'm working on.
If I make the ring gear stationary and rotate the sun gear, the planetary gear engages and rotates around the ring gear
but in the opposite direction of what it should be turning. The planet to sun gear engagement rotates backwards regardless of what I do to the rotation constraint that I've applied.
If I make the ring gear free to rotate, and the planet gear stationary, the gear train rotates properly.
I've attached a mock up of the plant gear system to share and show what I'm dealing with.
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Jan 14, 2013
can we coil a coil in nventor?
If I have a coil or spring, the I want to coil that coil/spring around another axies, can I??
I use Inv.2012
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May 23, 2013
I created the gear (helical) in the attached file using the standard gear tool in inventor. The problem is how do i then find the mass moment of inertia of it using Inventor?
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Jun 18, 2012
is it possible to add into parts list or into BOM values of frame angles?
Unfortunately, Inventor (I use Inventor 2013) does not offer this property by default in parts list settimgs. There are mass, file name, designer, project, status, vendor etc) but nothing about cut angles...!
P.S. I add JPG file with example that I need to get.
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Mar 4, 2013
As I mentioned above,I am here by attaching an Autolisp program to generate a 2d gear profile in autocad.
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Mar 15, 2012
Attached is a picture of a surface that a client provided. I would like to model the tooth that is shown in the pictures. I am having problems understanding how to achieve this result.
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Apr 19, 2012
I have a sheetmetal assembly with helical shaped parts. I need to place about 50 little brackets and some corresponding rollers along the length of these helical pieces. The spacing is even so a pattern would be perfect, except I don't know how to get it to follow the shape of the part. The brackets are located to slots in the helical parts which were made with a rectangular pattern in the unfolded state. I tried to do a "feature pattern select" but it only saw the rectangular pattern as it is in the unfolded state (a straight line). I then gave up on patterns and started working on manually mating them into place but realized that the geometry of the slot was distorted (theory) and didn't leave me with any useable surfaces.
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Aug 29, 2013
I am trying to recreate and 3D model the impeller of a heartmate II LVAD (URL....) but I am having problems with the sweep along the helical path. The profile is the vertical line and the path is the helix. I want to use a surface output for now. I had to use Solidworks to generate a variable pitch helix and import into Inventor.
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Sep 17, 2013
I created a 2D planar sketch, now I need to create a 3D sketch and Helical curves, but as I enter into the 3D sketch mode, I cannot perform any functions, all my tool bar options are grayed out?
I am running 2014 Pro Design Suite.
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Nov 29, 2012
I am working on a project that involves a screw conveyer(auger) with a 3" od, 1.5"/flight and a 0.800" ctr shaft. I modeled it without any difficulty using the "helix" function in a 3-d sketch & then swept a rectal around that path. The problem is, I need paper templates to layout the pattern on the steel. In the past I have made use of the "flat pattern" feature to print paper templates for tube notching and such, but that function prompts me with an error message "no surface to flatten" Attached is the full screw(augShaft9in.ipt), a single flight and 2/3 of a flight(i dont think a full flight will flatten & not overlap). Need to getting these patterns printed.
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Dec 20, 2012
what ive been trying to do is make a helix that sweeps around a rectangular prism i was able to make it in solid works but i cant find a way to do it in inventor.
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May 26, 2013
I have used a driven contraint in a sketch.
Can that also be done in an assembly?
In one assembly I want to make one angle half of a driven angle.
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Jan 13, 2014
I'm building a product configuration which includes some helical curves. I want to find out how I can change the direction of a Helical curve feature in a 3D sketch.
Variables like pitch and diameter are parameters, but the direction isn't.
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Sep 13, 2013
I am having a difficult time centered the helical path (the equation curve) and lofting the two profiles (centered) through the helical path in the axial rotation direction..
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Oct 26, 2011
I am not able to convert a 2d gear to 3d gear . I have attached the 2d gear that i had created. I use Autocad student version 2012 . The gear is not getting converted into a complete solid on use of extrusion command . There are gaps in within the gear around the circle or something like that .
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Sep 25, 2013
how to create an helix with variable section?. The axis diameter is constant.
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Oct 22, 2013
I made a coil with taper. Now I want to make a drawing with that taper, but I don't know how to do that.
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Dec 30, 2005
I created a simple spiraled coil IV10, and in my IDW I can't place a center mark in the center of the spiral. How do you dimensiom this? I also want to dimension ID and I can't. Something that you would think is so simple is holding me up.
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Nov 5, 2012
Im using Inventor 2013 and im trying to make a tapered coil but instead of creating it with a liner taper i want a curved taper. Is there a way to create this (perhaps using guide curves like loft feature?)
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