Grant,
 
I created some standard 12 pitch threads for you to review. I save them as individual files and merge them
into my programs when needed. Save the 1-1/16"-12 as 1062_12, 1-3/16"-12 as 1188_12 etc., etc. so you know
what thread it is. These threads have the full pitch depth set at Z0 so when you merge them into your program
you just give it an X_Location, Y_Location and Z Depth.  I used the Create / Curves / Helix feature to make these.
Evidently your using the thread.mcl macro to get the TM_angle. I believe that is the Thread Mill Start Angle.
If you have anymore questions feel free to ask the group.
 
Jeff
 
 

Attachment: 12 PITCH.pm4
Description: Binary data

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