You can have it on a mill if the machine knows to go by the R/D value of the tool. Siemens control does it in shopmill programs.
Phil T. The Feral Engineer Check out my LinuxCNC tutorials, machine builds and other antics at www.youtube.com/c/theferalengineer Help support my channel efforts and coffee addiction: www.patreon.com/theferalengineer Order one of the coolest label makers on the market at http://labelworks.epson.com, use coupon code "theferalengineer" and receive 20% off of your order 🙂 On Mon, Sep 19, 2022, 7:00 PM Jérémie Tarot <silopo...@gmail.com> wrote: > Le lun. 19 sept. 2022 à 22:31, Nicklas SB Karlsson <n...@nksb.eu> a écrit : > > > Use it on a mill. > > > CSS on a mill ?! 🤔 > > If diameter of drill is changed rpm will change > > > Yes S = (1000 * Vc) / (Pi *D), with Vc is SS in m/min and D tool dia in mm, > and often simplified as S = 318 * Vc / D. > > > so that surface speed is the same and guess feed normally make very > little > > or negligible difference. > > > Well, not that negligible actually ! 2 mm and 20 mm tools are different > beasts ;) > > > > Tables I have surface speed is the same for > > different diameters > > > Yes because SS depends on the "tool/material couple" as we say here, like > HSS in Al, Carbide in Stainless Steel. > Each member can be sub-categorized like into tool type/tool material/tool > coating and material nuances > > so it make sense even though not very important > > though with well written g-code program it is possible to change > > diameter of a tool and part is still correctly machined. > > > Of course, parametric programming can do wonders ! > Actually, I use the formula above and a few others in my (milling) macros, > getting the tool dia from tool data/table :) > All my cutting parameters computed based on surface speed, feed per tooth > and tool diameter. > Still have to find a way to build lists to further improve this... > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers > _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
