Eventos Anais de eventos
COBEF 2021
11th Brazilian Congress on Manufacturing Engineering
EFFECT OF MACHINING PARAMETERS ON CHIP FORMATION IN DRY-MILLING OF THE NICKEL-BASED SUPERALLOY VAT 32®
Submission Author:
Emanuele Schneider Callisaya , SP
Co-Authors:
Emanuele Schneider Callisaya, Manoel Cleber de Sampaio Alves
Presenter: Emanuele Schneider Callisaya
doi://10.26678/ABCM.COBEF2021.COB21-0301
Abstract
The purpose of this research was to study the machinability of the recent developed nickel-based VAT 32 superalloy through the investigation of chip formation during the dry-milling using TiAlN-TiN coated carbide inserts. The cutting parameters considered in this study were the cutting speed, feed, and depth-of-cut. A full factorial design was applied as DOE to machining tests. The determination of optimal parameters was done by the analysis and characterization of the generated chip’s mechanism of formation, type and shape according the ISO ABNT NBR 3685:2017 standard. The optimal condition to assure best segmented chip formation was found to vc= 60 m/min, f = 0.10 mm/t and ap = 0.50 mm, with lower results of flank wear and roughness (Vb=0.12 mm and Ra=0.43 µm). The tests proven the feasibility of milling the VAT 32 by assuring standard segmented chip formation associated with flank wear and mean roughness results within usual range to the milling
Keywords
chip formation, milling process, Nickel based superalloys, dry machining, coated cemented carbide tools
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