Contributions on Design and Accomplishing of the Whirling Thread Cutting Devices that could be Adapted for Ordinary Lathes

Abstract

The cutting of the threaded surfaces using whirling thread cutting devices is considered as one of the most productive cutting methods. From all the whirling thread cutting methods that one which utilise an inner point of contact had became the most utilised, because of the advantages which characterise the cutting process in this case: