NDLI: Studies on tool wear, cutting forces and chip morphology during high-speed milling of al-si-mg- fe alloys.

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Studies on tool wear, cutting forces and chip morphology during high-speed milling of al-si-mg- fe alloys.

Content Provider	CiteSeerX
Author	Reddy, S. Madhava Reddy, A. Chennakesava
Abstract	This paper investigates the High speed end milling of Al-Si-Mg-Fe alloy for aerospace and automotive industry. High speed machining has received important interest because it leads to an increase of productivity and a better workpiece surface quality. At high cutting speeds, the tool wears increases dramatically due to the high temperature at the tool-workpiece interface. The cutting force depends upon the cutting speeds, depth of cuts and feed rates. The behavior can be attributed to the precipitation hardening in the alloy on account of the formation intermetallic compounds. The cutting force increases with increase in feed rate and depth of cut. The machining parameters with the highest influence on tool wear progress are cutting speed and feed/tooth. Tool wear impairs the surface finish and hence the tool life is reduced. The cutting speed range was up to 1800 m/min. The feed rate used was up to 5000 mm/min. Cutting speeds of up to 1800 m/min are feasible and will greatly improve the milling process productivity and to implement this range of cutting velocity in industrial applications, new cutter designs should be developed.The adhesive tool wear mechanism and adhesion activated surface quality deterioration are revealed. Chip management is indicates that up to a cutting speed of 1800 m/min, a continuous chips are generated and cause surface degradation.
File Format	PDF
Access Restriction	Open
Subject Keyword	High-speed Milling Tool Wear Al-si-mg Fe Alloy Cutting Force Feed Rate Chip Morphology High Speed Machining Automotive Industry Surface Finish Mm Min Force Increase Tool Wear Progress Tool-workpiece Interface Important Interest Industrial Application Surface Degradation Workpiece Surface Quality Machining Parameter Continuous Chip Surface Quality Deterioration New Cutter Design Milling Process Productivity Cutting Speed Al-si-mg-fe Alloy High Speed End Milling Precipitation Hardening High Temperature Adhesive Tool Wear Mechanism Feed Tooth Chip Management Speed Range Formation Intermetallic Compound Tool Life
Content Type	Text
Resource Type	Article

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