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How to make interrupted threads


I'm working on a design that will ultimately be submitted as the drawings for a patent we've applied for.

However, two of the parts require interrupted threads - one internal, one external. I've tried creating the cylinders, threading the OD and then removing the segments where no threads should be only to discover that's not possible.

Then I tried extruding the shape and applying the thread tool to the faces that should be threaded only to find out that since it's not a constant surface, SE2019 won't apply the threads.  

Very frustrated. Any suggestions?


Re: How to make interrupted threads

Gears Esteemed Contributor Gears Esteemed Contributor
Gears Esteemed Contributor

Hi there @kiOHte,


If I'm understanding your needs correctly, you should only need to model the "relief" area for the "interrupt" in both the shaft & the hole, then applying the thread definition as normal to both zones - OR - you could model the thread form as a helical operation [add / subtract]. The only downside is, these types of real thread features can sometimes really tax your system performance.

Sean Cresswell
Design Manager Streetscape Ltd
Solid Edge 2019 [MP8] Classic [x3 Seats - Cloud Enabled]
Windows 10 - Quadro P2000