If you need to do threads in Fusion, this posting gives an xml file that is a must and so far appears to be working.
https://forums.autodesk.com/t5/fusion-3 ... ight/false
https://knowledge.autodesk.com/support/ ... 1626040825
RMS and SM1 Threads on Fusion 360
RMS and SM1 Threads on Fusion 360
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- BrassFixedRMSMount.JPG (83.11 KiB) Viewed 2723 times
Re: RMS and SM1 Threads on Fusion 360
Olympus U-P4RE brass adjustable centering mount for an RMS objective, with adjusting pins and rubber plug when a fixed disk is used with no pins.
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- PolObjectiveCenteringMount.JPG (112.22 KiB) Viewed 2685 times
Re: RMS and SM1 Threads on Fusion 360
The angle was wrong in the file, so I created a separate file for RMS with 55 degrees.
<?xml version="1.0" encoding="UTF-8"?>
<ThreadType>
<Name>Imperial Microscopy threads</Name>
<CustomName>RMS Imperial Microscopy Threads</CustomName>
<Unit>in</Unit>
<Angle>55</Angle>
<SortOrder>5</SortOrder>
<ExternalOnly>no</ExternalOnly>
<ThreadSize>
<Size>0.8</Size>
<Designation>
<ThreadDesignation>RMS</ThreadDesignation>
<CTD>0.8-36</CTD>
<TPI>36.0</TPI>
<Thread>
<Gender>external</Gender>
<Class>2A</Class>
<MajorDia>0.7989</MajorDia>
<PitchDia>0.7809</PitchDia>
<MinorDia>0.7688</MinorDia>
</Thread>
<Thread>
<Gender>internal</Gender>
<Class>2B</Class>
<MajorDia>0.8000</MajorDia>
<PitchDia>0.7820</PitchDia>
<MinorDia>0.777</MinorDia>
</Thread>
</Designation>
</ThreadSize>
</ThreadType>
<?xml version="1.0" encoding="UTF-8"?>
<ThreadType>
<Name>Imperial Microscopy threads</Name>
<CustomName>RMS Imperial Microscopy Threads</CustomName>
<Unit>in</Unit>
<Angle>55</Angle>
<SortOrder>5</SortOrder>
<ExternalOnly>no</ExternalOnly>
<ThreadSize>
<Size>0.8</Size>
<Designation>
<ThreadDesignation>RMS</ThreadDesignation>
<CTD>0.8-36</CTD>
<TPI>36.0</TPI>
<Thread>
<Gender>external</Gender>
<Class>2A</Class>
<MajorDia>0.7989</MajorDia>
<PitchDia>0.7809</PitchDia>
<MinorDia>0.7688</MinorDia>
</Thread>
<Thread>
<Gender>internal</Gender>
<Class>2B</Class>
<MajorDia>0.8000</MajorDia>
<PitchDia>0.7820</PitchDia>
<MinorDia>0.777</MinorDia>
</Thread>
</Designation>
</ThreadSize>
</ThreadType>