Do not despair if you have bought yourself a sheet of 5005 as there are ways to cut without any hassle. This grade is common for 1-6mm aluminium and is called aluminium sheet. From experience this grade of aluminium will gum almost instantly if cut dry (without coolant) due to excessive heat. If you want to get all nerdy, read this paper. There are two types of grades that are commonly found at your local aluminium merchant for sheet between 1 and 6mm.ĥ005 has a thermal conductivity value of 201 W / m. the lower the thermal conductive of the grade, the lower the temperature generated when cutting. This is usually because the grade of aluminium used causes the majority of issues they are experiencing. It is true that all aluminium grades are machinable but each grade will require a different approach. The first question I ask when someone calls about cutting aluminium is "What aluminium are you using?". Not all aluminium should be treated equally. Keep in mind that the rigidity of the CNC machine will impact the recommended feed and speed.īy following these steps, you can safely and effectively cut aluminium with a CNC machine.
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