The book is devoted to the study of features of processing of aluminum alloy blanks on CNC machines. In particular, the following problems have been formulated and solved: a literary review of aluminium alloys and their characteristics is carried out, the scope of application and main features are considered; .the review of the existing modern cutting tools; the basic calculations of cutting modes are considered, their major role in processing of aluminium alloys is shown; .characteristics of coolant and their role in work are considered; consequences of improper operation of coolant in CNC machine tools; are presented and analyzed.the influence of heat treatment on a workpiece or a finished part made of aluminum alloys; the influence of galvanic coating on parts made of aluminum alloys for protection of a finished article and long operation is studied. The process of processing aluminum alloy parts on CNC lathes is investigated. Monograph p is recommended by Scientific and Technical Council of FSBOU VPO "Tambov State Technical University".