This book gives a reasonable insight regarding the machining behaviour of alumiunium alloy. It ponders about the influence of CNC turning process parameters on the output responses material removal rate and surface roughness. Aluminium alloy is being widely used in many applications. The aim of this examination is to study the influence of CNC Turning process parameters. The authors objective of this book is to give wide-ranging introduction about machining behaviour of Aluminium Alloy by CNC Turning.