Feed rate for aluminumcnc

Tool: 1/8" flat end mill Feed rate: 59 in/min (1500 mm/min) Plunge rate: 5 in/min (127 mm/min) Spindle speed: 16,400 RPM Max pass depth: 0.002" (0.05 mm)

I am fairly new to the X-carve and im trying to cut some aluminum projects. I attempted cutting a project on an old street sign i had lying around and I had the feed rate at around 40in/min plunge rate at 3 and depth per pass at .1in(not sure if this was good). For the most part it cut pretty decent and only required a little clean up. After this trial i went to purchase a sheet of 16 gauge aluminum 3003 gr. And i am having major problems with the material gumming up while cutting. I’ve tested a few different speeds with spindle and feed rate, even bought a couple of 1/4" single flute bits and have yet to find the right settings. i would greatly appreciate any suggestions on where i may be messing up.

Feed rate for aluminumrpm

NOTE: These cutters are a downward spiral cutter. They are ideal to cut laminates and wood without tearing out the top side of the material. Care must be used to have adequate chip evacuation.

Here is settings for a 1/8" flat end end mill. As Haldor mentioned it’s a very soft metal and proper speeds and feed rates apply. You need the bit to be a 2 or Single Flute. A 1/4" isn’t overkill but will gum up both aluminum and copper because it’s trying to remove too much material.

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