Inventor General Discussion

Inventor General Discussion

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Distinguished Contributor
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Registered: ‎01-11-2001
Post 1 of 7
Accepted Solution

Hole dialog box & Thread dialog box show different Thread types-Bug?

1764 Views, 6 Replies
10-04-2012 12:30 PM

I'd like to use an "NPT" Hole Dialog thread but it doesn't show up in the Thread type list.

But it does show up in the Thread Dialog/Specifications Tab/ Thread type list so it's available.

 

 

I definitely have "NPT" in my Thread.xls & I have my Options/Files set to point to the correct Design Data folder.

See 3 screen shots attached.

 

Anybody have ideas what's wrong & how to fix? Thanks.

 

Gary

Product Design Suite Ultimate 2014

When I went back to look at you jpg I see you did not have this picked by what threads it was showing is how I noticed.

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Registered: ‎05-18-2011
Post 2 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-04-2012 12:45 PM in reply to: gcross

What is this I don't have this I do have NPT but not IPT.

 

What is.JPG

 

Here is mine Thread

Mine.JPG

 

Here is my hole

 

Hole.JPG

 

 


Please mark this response as "Accept as Solution" if it answers your question.

James Letcher
2012 Factory Design Suite ( will not load 2013)
What happen to my Inventor :-(
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Post 3 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-04-2012 12:50 PM in reply to: gcross

LOL I see now you have to pick taper Tapped thread option in your hole dialog

 

Optione.JPG

 

 

 

 


Please mark this response as "Accept as Solution" if it answers your question.

James Letcher
2012 Factory Design Suite ( will not load 2013)
What happen to my Inventor :-(
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Registered: ‎05-18-2011
Post 4 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-04-2012 12:52 PM in reply to: jletcher

When I went back to look at you jpg I see you did not have this picked by what threads it was showing is how I noticed.


Please mark this response as "Accept as Solution" if it answers your question.

James Letcher
2012 Factory Design Suite ( will not load 2013)
What happen to my Inventor :-(
Distinguished Contributor
197 Posts
113 Kudos
Registered: ‎01-11-2001
Post 5 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-04-2012 09:56 PM in reply to: jletcher

jletcher,

 

The IPT is a specialized thread used in the lighting industry. Those threaded pipes that go into table lamps use it. For example 1/8 IPS is actually same as 3/8-27 thread. It's based on pipe somehow but it still is not intuitive at all.

 

I was looking for the NPT thread for an electrical conduit nut part. It's definitely not a tapered thread on standard hardware store EMT electrical fittings. So that's why I didn't think to pick the tapered icon in the hole dialog. Guess it's just one of those trade specific threads for the electrical industry.

 

3/8 NPT

1/2 NPT etc.

In catalogs they just call it 1/2 or 3/8 without any letters.

 

US trade thread designations are as non intuitive as lumber designations!

 

Thanks for the help.

 

Gary

Product Design Suite Ultimate 2014
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Registered: ‎09-13-2011
Post 6 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-05-2012 06:47 AM in reply to: gcross

NPT is always tapered. If it's not tapered, it's not NPT.

Mike (not Matt) Rattray

Distinguished Mentor
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Registered: ‎11-03-2003
Post 7 of 7

Re: Hole dialog box & Thread dialog box show different Thread types-Bug?

10-09-2012 01:03 PM in reply to: gcross

FYI: http://pipeandhose.com/node/19

John Retzlaff
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