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    <title>topic Re: Turning thread from Curves in Fusion Manufacture</title>
    <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604841#M83442</link>
    <description>&lt;P&gt;I've done some stub acme and buttress threading on parts for oil and gas, too long back to recall any specifics but&lt;/P&gt;&lt;P&gt;it looks like you need "J profile" threading insert, J profile has radius on root and crest.&lt;/P&gt;&lt;P&gt;Quick search found PDF catalog below.&lt;/P&gt;&lt;P&gt;As for end of the threads you have circled in red, it appears to be just dissipating extension at taper angle of threads.&lt;/P&gt;&lt;P&gt;At 1.47 degrees taper, that would likely extend far beyond given length so using fading in Fusion would produce code to pull out at another angle at end of each pass.&lt;/P&gt;&lt;P&gt;If you don't use fading, you'll end up with "V" shaped groove at the end of threading cycle.&lt;/P&gt;&lt;P&gt;On your sketch I see threads are broken in sections, giving length of usable engagement, front chamfer angle and exit length. Without actual numbers that apply to each section I can't make out final configuration but it seems to be typical threading operation using specific insert cutting at required taper and fading out at the end.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To produce tapered threads, you need to model taper and use it as geometry in threading operation.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="2020-06-26 19_44_31-.png" style="width: 400px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/788920iE699161AA9D41F25/image-size/medium?v=v2&amp;amp;px=400" role="button" title="2020-06-26 19_44_31-.png" alt="2020-06-26 19_44_31-.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
    <pubDate>Sat, 27 Jun 2020 03:43:19 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2020-06-27T03:43:19Z</dc:date>
    <item>
      <title>Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603460#M83392</link>
      <description>&lt;P&gt;Hello,&lt;BR /&gt;I have a turn-mill machine. Is it possible to machine threads in Fusion360 as shown in the figure below?&lt;BR /&gt;OD/ID threads.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="2020-06-26_14-45-48.png" style="width: 400px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/788661i33CB6C48234906AB/image-size/medium?v=v2&amp;amp;px=400" role="button" title="2020-06-26_14-45-48.png" alt="2020-06-26_14-45-48.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt; &lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 11:46:50 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603460#M83392</guid>
      <dc:creator>Mikhail_Voronin</dc:creator>
      <dc:date>2020-06-26T11:46:50Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603487#M83393</link>
      <description>&lt;P&gt;If there is a constant pitch, you can thread any style you need. Where it gets dicey is when it's variable pitch, which doesn't appear to be the case here&lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 12:01:47 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603487#M83393</guid>
      <dc:creator>seth.madore</dc:creator>
      <dc:date>2020-06-26T12:01:47Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603789#M83405</link>
      <description>&lt;P&gt;&lt;SPAN&gt;how to make the thread runout?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="2020-06-26_17-13-16.png" style="width: 400px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/788729iC591B96A7F16069C/image-size/medium?v=v2&amp;amp;px=400" role="button" title="2020-06-26_17-13-16.png" alt="2020-06-26_17-13-16.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt; &lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 14:14:43 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9603789#M83405</guid>
      <dc:creator>Mikhail_Voronin</dc:creator>
      <dc:date>2020-06-26T14:14:43Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604100#M83422</link>
      <description>&lt;P&gt;&lt;a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/6965551"&gt;@seth.madore&lt;/a&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Maybe is there a way to configure the postprocessor to automatically generate&amp;nbsp; g-code for the thread runout?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 16:36:12 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604100#M83422</guid>
      <dc:creator>Mikhail_Voronin</dc:creator>
      <dc:date>2020-06-26T16:36:12Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604105#M83423</link>
      <description>&lt;P&gt;Huh, I didn't notice that detail at the end of it, I thought it just tapered off where the taper thread meets the cylindrical diameter.&lt;/P&gt;
&lt;P&gt;What is this for a thread?&lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 16:38:34 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604105#M83423</guid>
      <dc:creator>seth.madore</dc:creator>
      <dc:date>2020-06-26T16:38:34Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604299#M83428</link>
      <description>&lt;P&gt;Oil &amp;amp; Gas Industries&lt;/P&gt;</description>
      <pubDate>Fri, 26 Jun 2020 18:01:18 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604299#M83428</guid>
      <dc:creator>Mikhail_Voronin</dc:creator>
      <dc:date>2020-06-26T18:01:18Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604841#M83442</link>
      <description>&lt;P&gt;I've done some stub acme and buttress threading on parts for oil and gas, too long back to recall any specifics but&lt;/P&gt;&lt;P&gt;it looks like you need "J profile" threading insert, J profile has radius on root and crest.&lt;/P&gt;&lt;P&gt;Quick search found PDF catalog below.&lt;/P&gt;&lt;P&gt;As for end of the threads you have circled in red, it appears to be just dissipating extension at taper angle of threads.&lt;/P&gt;&lt;P&gt;At 1.47 degrees taper, that would likely extend far beyond given length so using fading in Fusion would produce code to pull out at another angle at end of each pass.&lt;/P&gt;&lt;P&gt;If you don't use fading, you'll end up with "V" shaped groove at the end of threading cycle.&lt;/P&gt;&lt;P&gt;On your sketch I see threads are broken in sections, giving length of usable engagement, front chamfer angle and exit length. Without actual numbers that apply to each section I can't make out final configuration but it seems to be typical threading operation using specific insert cutting at required taper and fading out at the end.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To produce tapered threads, you need to model taper and use it as geometry in threading operation.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="2020-06-26 19_44_31-.png" style="width: 400px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/788920iE699161AA9D41F25/image-size/medium?v=v2&amp;amp;px=400" role="button" title="2020-06-26 19_44_31-.png" alt="2020-06-26 19_44_31-.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Sat, 27 Jun 2020 03:43:19 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604841#M83442</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-06-27T03:43:19Z</dc:date>
    </item>
    <item>
      <title>Re: Turning thread from Curves</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604973#M83445</link>
      <description>&lt;P&gt;@Anonymous&lt;/a&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;thank you for the detailed answer&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 27 Jun 2020 09:33:18 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/turning-thread-from-curves/m-p/9604973#M83445</guid>
      <dc:creator>Mikhail_Voronin</dc:creator>
      <dc:date>2020-06-27T09:33:18Z</dc:date>
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