High-speed cutting technology redefines aluminum alloy CNC machining efficiency
Aluminium alloy is the most common material in CNC machining, but the traditional cutting speed is far from reaching its potential. In 2026, high-speed cutting technology combined with smarter tool paths will increase the efficiency of aluminum alloy rough machining by 2-3 times. The core of high-speed cutting lies in high spindle speed (15,000-40,000 rpm), large feed (10-20 m/min) and shallow cutting depth (0.5-2 mm). With cycloidal milling or cyclone milling paths, the cutting load can be effectively controlled. In practical applications, the metal removal rate of 6061 aluminum alloy has been increased from 150 cm ³/min in the traditional mode to more than 450 cm ³/min. For high-volume parts, this means a reduction of more than 60% in single-piece machining time. High-speed cutting has higher rigidity requirements for tools and machine tools, but modern high-speed spindles and dynamic balance tool holders can fully meet them. In addition, high-speed cutting produces thinner chips and less heat, thus reducing the thermal deformation of parts. For thin-walled parts (wall thickness below 1mm), high-speed cutting is an effective means to prevent deformation. Industry data shows that CNC service providers that adopt high-speed cutting strategies can offer 20% -30% lower quotations for aluminum alloy parts than their peers, while maintaining profits.
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