Cnc fanuc lathe facing program1/28/2024 ![]() ![]() It takes some experience, a good parting tool that is well set up, and a lathe with good rigidity to make parting any easier, but sometimes even more is needed, particularly in CNC applications where the “touch” of manual machining is absent. Lastly, parting seems tailor made for generating chatter, which brings a whole other set of problems into play.īeginners are advised to feed hard, although their inclination is to take it easy and back off with every squeak and squawk they hear. Once the tool tip is deep down in the parting groove of the material, getting chips out and lubrication in becomes problematic as well. Get it too far off and it’ll tell you in a hurry. The geometry is such that parting tools seem to be more sensitive than many others about how they’re set up relative to the lathe’s centerline. If you lathe is lightweight, this just means lots of strong lever to try to make the whole thing flex downward and potentially dig in. That cutter has to be hung out quite a ways relative to its width, although we do have the luxury that the parting blade under the tip is fairly substantial. You’re going to take a fairly tiny cutter and plunge it deep into the material. ![]() Parting off is definitely a challenging operation when you look at it mechanically. Perhaps deep boring operations where the bar is really hung out there is a close second. For whatever reason, parting off seems to be the operation on lathes that causes the most people trouble. ![]()
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