Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Torque analysis on rolled and machining threads processes
Submission Author:
Dario Rodrigues , Rua Otaviano Otávio de Souza , Brazil
Co-Authors:
Frederico Ozanan Neves, Dario Rodrigues
Presenter: Dario Rodrigues
doi://10.26678/ABCM.COBEM2017.COB17-5025
Abstract
Threading is the process to formation of the fillet of a thread which is very used in industry to assembly mechanical parts. Thread are develop considering the type of mechanical component to be produced and, also, to be adequate to quality and insurance specifications, observing the cost and productivity of the fabrication process. As described in the literature, rolled threads present best surface quality and highest mechanical strength. This research studied the threading by rolling and machining, comparing the torsion moment necessary to produce it between the processes. Experimental tests using a factorial design randomized by levels with three factors: production process (machining and rolling), process speed in three levels (17.5, 30.0 e 39.5 m/min) and lubricants concentration in three levels (5%, 10% and 13% of synthetic oil in water) were done. The material used was an AISI 1035 steel and thread specification was a M14x1.5. An analysis of variance was done to evaluate the results. The principal conclusion is that a higher torque is necessary to produce thread by rolling than machining process.
Keywords
Torsion Moment, Machined thread, Rolled thread
