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Nyccnc video tools3/10/2023 ![]() I play with FSM Wizard on my tablet but it is not really relevant to home machining. 125" bit turning 10000 rpm, your machine can't move quick enough to clear the chips, instead of chewing them up again rubbing against your newly cut path. Chip load is the next limiter, which relates to rpm because if you are cutting Al with a 4 flute. Tool material is a large part of this, carbide generally needs 3x the sfm that hss does. Feeds and speeds are a bit of magic and a bit of calculation. I've just learnt today that i can use a macro to run quick test code from the GUI instead of importing a text/nc file, feels really professional now. You cant blame us for being enthusiastic about your enthusiasm lol. ![]() At some point you will turn round to us and say why don't you just go and buy an industrial CNC VMC instead of turning my Gerritv Gui into top end software. So a calculator on the GUI which takes into account the settings we use in GRBLPanel would be a very nice toy to have. It great for John at NYCCNC on youtube showing us how to zigzag the feeds and rpm's to get the best out of our tools but some of us cant peddle fast enough to reach Tormach speeds. you then have to convert to mm and end up with really odd feed rates like 350000 what! - i figure i just enter F450 S3600 as that's as far as i can go. The biggest pain in the butt is nearly all the formulas you find on the web are American imperial measurements. I have the following known values Max rpm =3600 X and Y setting is $110=450 (x max rate, mm/min) I have spent days trying to figure out how to calculate feeds and speeds for my milling machine and relate it to GRBL.
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