5/17/2023 0 Comments Fusion 360 woodworking tutorialless risk to break the tool and machining twice faster. Every time it's possible I use 6 mm mills that allow me tu use max feed rate and are confortable with passes of 1.5mm. Note that with better CNC and tool I'd double spindle speed, feed rate and pass depth so machining time would be divided by 4.Īlso note that shipload is really low for small diameter tools like this. hard wood (oak, will be the same sor Azobe in the next setup).This also depends on spindle power that is limited to 200W on my machine. My start point in 1 mm, maybe 1.5mm depth pet cut as it's no high quality tool. The table show you can cut as much as the tool's diameter in depth. If chipload is too high, the tool cannot remove enough materail for each pass and will break too. Your tool will heat, wood will become dark and finally the tool will lose cutting qualities and break. It your chipload is too low your tool will not have enough material to cut and you get a kind of powder. I find out that with a feed rate of 1.5m/minutes that is 1500 mm/minute I get an average chip load of 0.004. So they mention a chip load per leading edge between 0.003 an 0.005 Let's take that to Chip load calculator : Too bad that will be 8000 rpm as the machine can't do more. So for hard wood and 1/8 inch mill they recommand 18000 rpm. feed rate on my CNC is limited to 2500 mm/minute.spindle rotation speed on my CNC is limited to 8000 rpm.I'll be using 1/8 inch flat end mill of basic quality with 2 flutes.I'll be maching that in a piece of oak. Here we create a first setup for maching the main part.
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