Getting ready to start making some chips for a couple of 700 builds I have in the works. When it comes to threading the tenon how does everybody machine the relief for the thread to end? I have threaded quite a bit but all of it has terminated in a .125" wide machined groove. I dont want to loose that much thread for the tenon. In some of the pics I have seen here some have a narrow groove while others like the the thread just ends ala pipe theads style. How wide do you machine your termination groove while still providing enough relief for the cutting too to finish the thread?
Also figuring the minor diameter to know how deep to cut relief. Is this the correct forumla? min ida = maj dia - (1.732 x pitch) The math makes since but when comparing them calculated diameters to the tables in the machinist handbook they are off a bit.
thanks
skog
Also figuring the minor diameter to know how deep to cut relief. Is this the correct forumla? min ida = maj dia - (1.732 x pitch) The math makes since but when comparing them calculated diameters to the tables in the machinist handbook they are off a bit.
thanks
skog