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Anonymous
829 Vistas, 2 Respuestas

THREAD MILLING minor diameter problem

I was trying to make an Internal NPT 3/4 thread hole using the option of THREAD MILLING. The program gave me 2 options to do it.

 

  • Using the hole feature
  • Using the thread milling option

The first option takes care of the initial hole the second one you need to have the hole already.

 

Using the standard values the minor diameters aren't equal.  

 

  • Using the hole feature (24.577 mm)
  • Using the thread milling option ( 23.127mm)

 

I did mill the first option but the thread is to big (using a solid carbide 3/4-14 NPT 0.495 cutting diameter  ) 

 

Is this a problem of the program???

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