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Thread Modeler coolOrange not working?

9 REPLIES 9
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Message 1 of 10
Anonymous
5084 Views, 9 Replies

Thread Modeler coolOrange not working?

Hi Guys,

I am pretty new to the Autodesk Inventor - just started to work with it a couple of weeks ago for my masters thesis. To get more familiar with the program, and because i try to model a tube with threads to screw them together and to print it with an ultimaker 3 ext,  i am trying to print normal matching bolts and nuts to get started.

Using a finished stl file (downloaded ) prints out fine if i increase the nut size by 5% but when i try to model them myself i have constant problems. 

The threads do not match despite using the same setup - ANSI UST Size 0.375 - 3/8-16UNC - 2B - and then using the autodesk add in "coolOrange" to model the threads.

It does model the thread but the hole which is cut into the nut is just too small?
In the attached files i have the sketches which are made after using the add in - but it seems that the triangle is in the wrong place (for the nut)

 

Also i would propably need a less "pointy" thread to ensure that the printer does a good job - which threadtype should i use ?

I already have seen that you could model the thread yourself by using a "triangle" but i am unsure of which specs to use? ( Using metric system)

 

Thanks already in advance!

Lukas

9 REPLIES 9
Message 2 of 10
Anonymous
in reply to: Anonymous

This happens when Inventor lies.

 

Basically Inventor doesn't have a proper thread feature for additive / substractive manufacturing - it is just a display, cosmetic thing.

 

As we see, the pressure is building up upon this thing with the rising of 3D printing. There are already several ideas asking for this - you can vote for them here and here.

 

WRT coolOrange, if someone doesn't pop up with a proper explanation, your best bet is to contact them directly here.

Message 3 of 10
Anonymous
in reply to: Anonymous

Btw, try with an ISO Metric Thread with a pitch of 0.6 - assuming that you have a layer height (on your slicer/3D Printer) of 0.2. You might find that multiples of your layer height will work (much) better even if we speak now about a helical structure.

 

Also do not use a Whitworth profile (IOW a smooth curve) but rather a standard ISO metric one which is a polyline made of straight lines - something like this.

Message 4 of 10
TheCADWhisperer
in reply to: Anonymous

 

 

 

Message 5 of 10
TheCADWhisperer
in reply to: Anonymous

 

 

 

Message 6 of 10
Frederick_Law
in reply to: Anonymous

Well if the hole in the nut is too small, why not make it bigger?  Draw a circle and cut it to size.  You are using a powerful 3D modeling software.

Message 7 of 10
Anonymous
in reply to: TheCADWhisperer

Request #1: Add to Inventor a real Thread feature (outside & inside) - see the @TheCADWhisperer screencasts.

 

Request #2: Add to Inventor a "TheCADWhisperer" button. Man Happy - see the @TheCADWhisperer screencasts.

Message 8 of 10
Anonymous
in reply to: TheCADWhisperer

wow thank you so much for that! already trying to create it - just finished the stl file and now its printing 😉

if that works may i ask (if i need it) for help to design that tube which i was talking about?

 

Thank you so much again!

Message 9 of 10
kelly.young
in reply to: Anonymous

Hello @Anonymous I see that you are visiting as a new member to the Inventor Forum.
Welcome to the Autodesk Community!

 

Glad to see you got it designed and printing. When you need help on the tube start a new thread and document what you are trying to do with attached parts, embedded screenshots, or record a screencast to show what you are trying to do. 

 

If you want to post your printing results I'm sure the community would be interested in seeing how it turned out!

 

Please select the Accept as Solution button if a post solves your issue or answers your question.

Message 10 of 10
WHolzwarth
in reply to: Anonymous

I won't click that ..

Walter Holzwarth

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