AutoCAD Inventor :: IPart For Helical Gear

Dec 19, 2003

I need an ipart for helical gear.

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AutoCAD Inventor :: Helical Gear Display In Drawings

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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AutoCAD Inventor :: Draw In Autodesk Helical Gear Using Flex Option

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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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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AutoCAD 2013 :: 3D Model Of Helical Gear

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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AutoCad :: How To Draw Helical Gear Tooth Profile

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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AutoCAD Inventor :: Gear Rotation In Planetary Gear Drive?

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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AutoCAD Inventor :: Helical Component Pattern?

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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AutoCAD Inventor :: Sweep Error Around Helical Path

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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AutoCAD Inventor :: Create 3D Sketch / Helical Curves

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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AutoCAD Inventor :: ILogic To Change Helical Curve In 3D Sketch

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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AutoCAD Inventor :: Loft Two Profiles Around Helical Path (not Sweep)

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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AutoCad 2D :: Converting 2d Gear To 3d Gear?

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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AutoCAD Inventor :: Create 3D Sketch Of Helical Curve That Has Accelerated Pitch?

Nov 1, 2013

I am trying to create a 3D sketch of a helical curve that has an accelerated pitch.

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AutoCAD Inventor :: Draw Helical Staircase With Bottom Plate Underneath The Steps?

Nov 26, 2013

I'm trying to draw a helical staircase with a bottom plate underneath the steps. Drawing it isn't a problem. I used a sweep with helical curve. Then I converted this part to a sheet metal. But then inventor doesn't want to unfold it. how I have to make a flat pattern from this one with the necessary bending lines? 

Example .ipt and photo in attachment

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AutoCAD Inventor :: Rib On Gear Bracket

Jan 4, 2012

I am trying to add a rib into a drawing I am doing for school; however, when I attempt this the drawing will not make the rib.  I have attached a file of the original drawing and my own version in Inventor. 

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AutoCAD Inventor :: Differential Gear Box

Nov 20, 2013

Someone sent me a differential gear box assembly for my students to experiment with in Dynamic Simulation.It was part of a discussion on example files for students, but now I can't find the thread and don't recall who sent me these files.

In any case, we found a serious problem in one of the files.Ring mount2.ipt Sketch11 there is an arc that centerpoint should be same as projected Origin Center Point, but it is not.It is actually at the midpoint of a projected line that is very close to the origin, but not at the origin.

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AutoCAD Inventor :: API For Manufacturing Of Spur Gear

Feb 8, 2012

With the common knowledge of Inventor having a Spur gear generator, please I need calling that Spur gear generator from my API. Note that I am using VB for the programming and I have use Try and Catch for linking my API to the inventor. So on starting debugging my API, Inventor starts just as the example in the my first pluggin.

The Only thing remaining is to link my API to the Spur Gear Generator.

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AutoCAD Inventor :: How To Create Planetary Gear

Mar 14, 2013

I need to create planetary gear. Where should i start? I tried assembly with spur gear, but half of the times program crashes. when gears are made, they don't match.

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AutoCAD Inventor :: How To Make A Gear In Autodesk

Jan 9, 2012

How to make a Gear in autodesk?

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AutoCAD Inventor :: Gear Subassembly In Assembly?

Oct 4, 2011

I am working on a project which uses two gear reducers. I have built the gear reducer and saved it as an assembly file so to import it to the assembly of the project. When i import the reducer assembly into the project assembly, the reducer is shown as a single piece, not as a mechanism which i can interact with. But if i select, by doubleclicking, the reducer, it becomes active again. The problem is that i want to connect the reducer to another gear assembly and watch it interact.

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AutoCAD Inventor :: Planetary Gear Set Constraints

Oct 10, 2013

the .iam assembly and the .ipt parts are to follow.I'm not very concerned with the teeth meshing properly at this stage. I just want to get the rotational constraints correct first.  There are two situations that I am trying to work out, and I think I took care of the first one.

Situation 1: Blue carrier is grounded.
Input: Rotate purple sun gear.
Result: red planets turn the orange planets which turn the green sun(green sun to purple sun ratio = 1:1 but in the opposite direction)
Situation 2: Purple sun is grounded (Blue carrier is released)
Input: rotate the blue carrier

Result: I want the planets to still be able to rotate, and basically be driven by the purple sun which is being held. This should then drive the green sun to rotate in the same direction as the blue carrier gears.

The issue here is clearly that the red planets will not rotate since the purple sun is grounded.  What should the constraints be instead of a simple rotational motion constraint? In a perfect world, I would like to not have to ground the purple sun, and only have the purple sun rotate when I specifically rotate it. The main input to this system is rotating the blue carrier gear. The purple sun is simply a control/variant. 

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AutoCAD Inventor :: Model Planetary Gear Set

Nov 9, 2011

I'm desperately trying to model a planetary gear set.I've tried using the gear design accelerator but with little success. Essentially, I would like to have the gears set up with the planet carrier held stationary and the ring and sun gears rotating in opposite directions: URL....The first 5 seconds of this video indicate what I'm after.

I know all of the gear data, but am having trouble generating the gear set.

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AutoCAD Inventor :: Rotating A Gear With Shaft

Nov 22, 2013

I am trying to create a simulation in which a shaft rotates and the a spur gear attached to the other end rotates with it. When I apply torque to shaft, the shaft does rotate but the gear does not. I believe I have done something wrong with the constraints.

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AutoCAD Inventor :: How To Do A Planetary Gear Arrangement

Nov 29, 2011

I am looking to generate a planetary gear arrangement similar to the picture attached. I am looking for a 6:1 ratio between the outer sput gear and the inner sun gear.  

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AutoCAD Inventor :: Construct Planetary Gear Train?

May 25, 2012

I have tried in vain to construct a planetary gear train in Inventor 2011 & the spur gear generator hasn't work much since the results are far from good, I have problems getting all the gears to fit together. The Internal gear has a diametrical pitch of d=120mm & the smallest gear a diametrical pitch of d=20mm, the outcome should produce a 6:1 gear ratio. The 3 other gears only offer stabillity, but I still need to know how I get it all to fit together with my measurements?

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AutoCAD Inventor :: Recess Action Gear Design?

Feb 11, 2013

I am currently working in IV2012 and have a need to design Recess Action Gears. We have been doing this for years with a DOS based program but this is getting harder to use as technology advances.

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AutoCAD Inventor :: Planetary / Cyclical Gear Systems

Apr 19, 2013

I'm trying to create a few sets of planetary gears and I'm running up against a wall here.

Both sets, for simplicity, need 1:4 ratios which makes the planet and sun gears the same size. I was using 20 teeth for the planets/sun and 60 teeth for the ring which based on my understanding of the ratios, should work. My problem arises when I attempt to get all of these gears(sun, four planets, and the ring) to mesh and rotate.

I can't figure out how to make sets of more than two gears using the Spur Gear tool. When I make the other gears on their own and add them to the system, they don't inherently mesh and pass through each other. Obviously I'm missing something here because I clearly need more than a two gear system.

As a side question, is there a method(Derived Parts, maybe?) through which I can add to a gear made with the Spur Gear tool to create a new part that will still function as a proper gear?

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AutoCAD Inventor :: Create Spur Gear In Autodesk

Apr 9, 2010

I am trying to create a spur gear in Autodesk Inventor 11 using the Spur Gears Component Generator in the Design Accelerator. I have been given diminsions for the Spir Gear as followed but don't know how to enter them because there is only a limited amount of values:

Number of teeth........10
Diametric pitch.........9.6
Circulator pitch.........0.32725
Pitch diameter..........1.0416
Outside diameter......1.25
Root diameter...........0.8006
Addendum...............0.10416
Dedendum...............0.10416
Clearance................0.163541
Whole depth............0.22466
Circular thickness....0.163625
Fillet.......................0.03125
Pressure angle........9.00

I enter in the Addendum, Clearance, and Pressure Angle and it says that the values are Ambiguous Inputs. Is there any way that I can create this gear? it doesn't matter about the Loads, Material Values, and Inputs in the Calculations tab.

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AutoCAD Inventor :: 2012 - Insert Gear Won't Work

Jan 13, 2012

I have a student account.

1. Start new assembly

2. I save my project

3. I click in "Sput Gear" and nothing happen.

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AutoCAD Inventor :: Adding Twist To Gear Model

Mar 29, 2013

I want to add a twist to my inventor gear model (helical gear). I need a twist approximate 30 degree.

File attached.

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