0.3ipm is ludicrously low.
Higher RPMs may help.
Chatter can also be due to your mounting solution not being tight enough.
Lubricant is a good thing. Don't worry about the mess. In fact just spraying down a part with a water-based cutting lube in a sprayer beforehand is better than nothing.
See the problem is that if you gum up the cutting surfaces with aluminum, things get real bad real quick. The cutting power goes to zero and it just melts more on, as pressure increases as it tries to move into work it can't cut, you'll probably break the tool. Lube can prevent this. Also any methods that improve chip clearance- helixing in, using flood coolant, or compressed air- can improve it. |