For many years now, aluminium materials have been becoming more and more prevalent in many industries. This trend continues unabated. While light-weight construction and corresponding materials and structures have always been an important aspect of aerospace, the use of aluminium to reduce weight in automobile manufacturing has increased steadily, and has really taken off now due to electromobility. MAPAL is a leading technology partner for machining aluminium components thanks to its many years of experience designing, producing and applying tools for aluminium machining.
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Aluminium and aluminium alloys are in principle easy to machine. As the cutting forces are low, high cutting data and in particular long tool life can be achieved with appropriate process planning. However, aluminium alloys have some special features which must be mastered. The geometry of the component and ever-increasing demands on tolerances and process capability pose additional challenges when machining aluminium.
Aluminium alloys can basically be subdivided into the principal categories of cast alloys, wrought alloys and powder-metallurgical alloys, whereby mainly the first two play a role in machining. For cast alloys, various alloy elements and corresponding casting methods are utilised to create the desired properties of a component. When casting, it is important to come as close as possible to the componentโs final form to simplify mechanical machining.
