AutoCad 3D :: Modeling Tapered Threads
Nov 8, 2012
To create realistic threads, I simply sweep the thread profile along a helix with Align set to “no”. (This actually creates the negative of the thread, which must then be subtracted from a cylinder.)
When I attempt to follow the same procedure using a conical helix to produce tapered pipe threads, however, it does not work. When I set Align to “no”, I get an error message saying “cannot sweep the profile”. If I try it with Align set to “yes”, the profile is twisted and the result does not look like threads.
Any way around this issue, or is this a fundamental limitation of AutoCAD?
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Apr 4, 2012
How to properly model a screw thread around the point of the screw.
I have gotten the coil to taper to the point, however, I'm unable to get thread to terminate properly.
Essentially, the pitch remains the same as it moves down the taper, but the major/minor is diminishing until it terminates cleanly at the point.
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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 18, 2012
Is there a way I can create dynamic blocks that taper to a square point? I work with different styles of lattice towers and monopoles and I would like to create a dynamic block of a couple styles and have them taper with the correct scale.
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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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Sep 21, 2011
I have a arc that is about 21.5 radius and .5 in width. My problem is that it is going on a bench that i have made and the corner piece needs to be cut out and i am trying to figure how to make this line look like an actual piece. I can extrude the piece to 21 inches tall, but then i need it tapered back to fit this bench were making.
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Jul 29, 2012
I have a section view of tapered part and I want to get the dimension (radius) but it is not possible. Is there any other option aside from having a perpendicular section view? How to customize the 2D drawing setting?
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May 2, 2013
I'm trying to make an extrusion that ends on a tapered surface which has different angle in drawing.
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Mar 28, 2013
This has to be a bug in the program. I created a part, added a standard 5/8" threaded hold in it. It looks great.
I export to STL thinking that I can print this part on my 3D printer. There are no threads, just a hole. What is wrong with the STL export?
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Apr 14, 2010
How do I represent NPS threads (not NPT) in IV?
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Jan 22, 2012
Can I use diferrent types of threads (as variants), in one iPart/iFeature file, ex. M10x1.5 (ISO Metric profile) and G1/8" (ISO Pipe Threads)? Look at the file in attachment and correct it if possible.
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Nov 7, 2012
How to use sweep to successfully put threads in a hole. Attached is the drawing with a helical coil and an object in two different orientations (A and B). To the right of that, you can see the path they took for each. The object rotated from the original position before following the path. Tried changing the position of the object to sweep, but either it sweeps it 180 degrees from what it is already doing (still wrong) or the program says it is invalid and won't do anything till I put it back in the original rotational position and try again.
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Oct 29, 2011
My part does everything I want with threads but the other option I need to program is a straight hole with no threads. I assume I can do this with Param for the existing hole but not sure what it would be called? Is there a list or method of determining what these parameters are called so I'll be able to find them in the future?
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Dec 3, 2012
I am looking to add Acme screws to my project file - I am using the thread sheet from this thread. My question is, can I add these threads to my project as I need to be able to edit this project on multiple computers (the project is synced with git)?
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Apr 26, 2012
I heard that AutoCAD use Mental Ray render. How many maximum parallel threads can use this algorithm? I want buy new graphic station based on dual-socket Intel Xeon (each CPU has 6 cores with Hyper Threading technology). Thereby a computer will be equipped with 24 logical CPUs.
Can AutoCAD 2012 fully utilize such a performance for parallel computing when render?
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Oct 6, 2011
I have made threads with the standard thread tool (that doesn't seem to make 3D threads but instead pictures of threads) into solid and once I export the STEP file and open it in Solidworks the threads are missing. I have to export the drawing to STEP for machinist that uses Solidworks. How can I include the threads into STEP file?
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Apr 10, 2013
I have a hole tapped from both sides. I did a hole tapped to a depth but drilled through and added a thread feature at the other end. I had changed the hole (from 7/8-9 to 1-8) but the note on the drawing was attached to the thread feature.
I would like to set it up so that the thread feature will automatically be the same as the thread on the hole. I don't get any errors saying that the hole is the wrong size for the thread, and both ends of the hole look the same (which I find somewhat disturbing).
I need to link the threads together. At the very least it should look wrong, and hopefully complain that it's wrong, but I would much rather have access to these features so I can control them better.
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Oct 4, 2011
How to construct Type U Threads in rectangular view.
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Mar 13, 2012
IV 2012.I need to make a non-standard thread to mate with a purchased component. Is there a way of creating it in my ipt file so that the hole and thread tool in the idw pulls the correct data?
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Jun 10, 2013
I've been trying to make a male and matching female screw and fitting for attaching two parts that will be 3D printed. However, whenever I export the part to an .STL file, the threads do not show or print properly.
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Jan 6, 2012
I'm working on some bottle concepts and I have a need to model standard plastic bottle threads. These threads are designated by a diameter in mm and how many threads are on the bottle. Example: 33-400 The 33 is the diameter and 400 refers to a single turn of the cap. Manufacturers like Aptar make bottle tops of various types to fit this spec. I happen to be looking at dispensing lids (think Heinz Ketchup bottle). While I've found specs for Major diameter, Minor diameter and TPI, I have found precious little that describes the thread shape itself. I've tried to reverse engineer a sample thread from... you guessed it.. a Heinz Ketchup bottle. I feel that my venier caliper and micrometer are not doing this effort justice.
Looking for DWG file or Inventor model of the thread profile?
I'm using the coil command to create the thread on the bottle neck. It works okay. An issue arises with the thread termination. The threads on the bottle itself "chamfer" into the bottle neck. While I don't think I can do this with the coil command itself, how to create the "lead-in" for the plastic thread.
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Dec 11, 2012
We want to substitute drawings with a color-palette. This means, we have to set different colors to different kind of features ( i.e. H7-fitting to red, thread to yellow, ....). We do this manually by now.
I mean, if on makes a fit-hole then automatically it appears in red. All threads he makes are in yellow and so on. Is there a chance to make a feature-based color-table in inventor and if it is so.
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Jan 11, 2013
I have an assembly that is made up of 3 unique parts ( 5 parts total). These parts and there features are to be laser cut, then assembled and welded along the outer perimeter in the small chamfer. I have designed the parts to have 5/16 holes, which will be later tapped to 3/8"-16 UNC after assembly.
Once these parts are assembled, I don't understand how I can change the holes to reflect this. Meaning I want the parts to be pre-drilled(laser cut) with 5/16 holes, but I want the assembly to then have 3/8-16UNC holes.
The hole command will not let me select the existing hole features in the assembly and add threads. What is the consequence of inserting a 'new' hole with 3/8-16UNC threads over the existing 5/16" holes in the assembly?
Is my workflow incorrect? should I have the parts modeled with the tapped holes and just make a note on the drawing to not tap these holes until assembly? how does that affect the laser cutting?
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Aug 3, 2013
company needs a very elaborate parts list on the drawings regarding different custom properties of parts (so I created new parts to easily add these custom columns...without screwing up parts in the content center somehow).
I needed to get things up and running quick so I imported a good handful of bolts and nuts from McMaster Carr.
the threading on the bolts is so detailed that it's really cluttering up the drawing views with extra line geometry (basically black blobs wherever bolt threads or hidden bolt threads are located)...is there any way to lower the detail of objects, say just to show the outline of the bolt and it's "perimeter" thread outline...but not show the individual threading across a bolts face?
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May 22, 2012
I have cs5 photoshop and it seems to have a very limited amount of brush styles. Other people with cs5 have a large range of standard styles. I am just after the standard tapered end brush (tapered on both ends).
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Aug 10, 2012
Some images in threads are now showing up with the lower portion of the picture blacked out. Its like there is a limit on how large the image can be. Many times what the posting memeber is trying to show is blacked out.
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Nov 25, 2011
Using Autocad 2000 LT. Need to create a 2D basic drawing showing 14 TPI external and internal threads with a certain class of fit joined togeather. The basic drawing needs to be drawn in such a way that it could be easily changed to show different Threads Per Inch and or class of fit. Then, with that approach in mind, what would be the basic steps I should take in order to create the basic drawing and then easily change it to show different TPI and or class of fit. Note: I only need to show the external and internal threads, not the entire screw or object attached.
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Apr 8, 2013
How to make the threads match on a male and female part. Using a tap size chart, I made a hole 31.5 mm in diameter. Then I added interior threads with a tap size M33 x1.5. How do I determine the diameter of the male part before adding threads? Would it also be 31.5 mm? I plan on 3d printing these parts, so I've also been using the thread modeler tool.
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Apr 30, 2012
I've tried using Brush dynamics and spacing, but can't figure out how they got it to taper in two directions. Is this a pattern or something?
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Feb 25, 2014
I have created a pattern brush and applied it to a stroke. My question is: Can I now taper the pattern brush once applied to the stroke?
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May 2, 2012
I can't tell if this is a bug or a "feature."
I have created a custom thread.xls table so that thread callouts are in decimal format per ASME B1.1.
When I use the Hole / Thread feature note in an .idw, the thread class will not show on an external thread. If I change the format to not use Custom Thread Designation, the thread class appears. If I use the Custom Thread Designation on a threaded hole, everything works fine.
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