Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Influence of the infeed method on tool life and surface finish in austenitic stainless steel thread machining
Submission Author:
Milton Polli , PR
Co-Authors:
CARLOS EDUARDO COSTA, Milton Polli
Presenter: CARLOS EDUARDO COSTA
doi://10.26678/ABCM.COBEM2017.COB17-1212
Abstract
Among the machining processes, threading is one of the most difficult to perform due to complicated chip removal and lubrication in the cutting zone. In addition, the feed rate must be synchronized with the rotation of the spindle. The tool has to advance a distance equal to the pitch of the thread to be cut per revolution of the spindle. This work presents experimental results of thread machining of austenitic stainless steel 304, applying the three possible infeed methods like radial, flank and incremental infeed. The evaluation takes in consider the workpiece surface finishing, chip formation and tool life. The results indicated a longer tool life for incremental infeed and better surface finishing for the flank infeed. The radial infeed was the worst situation in terms of tool life and surface finish, although this is the most used infeed method in the industrial environment.
Keywords
thread machining, infeed method, surface finishing
