Machining 7075 aluminum can be challenging due to its high strength and low machinability compared to other aluminum alloys. However, with the right tools, techniques, and parameters, you can achieve good results. Here are some guidelines for machining 7075 aluminum:
Tool Selection: Use carbide or high-speed steel (HSS) tools with sharp cutting edges. Carbide tools are preferred for their durability and ability to withstand the high cutting speeds required for 7075 aluminum.
Cutting Speed: 7075 aluminum requires higher cutting speeds compared to other aluminum alloys. Use cutting speeds in the range of 600-1200 SFM (Surface Feet per Minute) depending on the tool diameter and material condition.
Feed Rate: A moderate feed rate is generally recommended. Too high of a feed rate can lead to excessive tool wear, while too low of a feed rate might cause work hardening and poor surface finish. Adjust the feed rate based on the tool, machine, and specific machining operation. machining 6061 aluminum
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