Abstract

The use of aluminium alloys in manufacturing industry has increased in recent years. Concomitant to this growth, the machining of aluminium alloys has enormously increased in volumetric proportions—the chip volume represents up to 80 % of the original volume of the machined material, like in aerospace. The focus is on roughing machining using solid end mills of Al7075-T6 in the general engineering application. The effect of cutting speed, feedrate, radial depth, lubricant and coating has been investigated.The machinability has been identified measuring cutting forces and workpiece wall deviation. Finally, the maximum productivity is calculated.

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