Some updates on "speed and feed" and the mill chattering

Ignoramus29468 · 2010-08-26T12:58:11+00:00

One is a very highly embarrassing confession. Along the lines ofGunner's own trailer tire passing him by at the red light.The mill, as I mentioned, was chattering under what I considered to bemoderate cuts. I wondered how come it was chattering. Now I know why: The head is attached to the rigid ram by means of foursocket head cap screws. And when installing the head, in generalexcitement, I forgot to tighten them. So the head moved somewhat underloads in X direction. Very embarrassing and humbling. With that fixed, the mill is no longer chattering. I have one more weirdness: under heavier cuts, the mill triggers alimit switch error for a reason that I cannot understand. But if I donot push it quite as hard, it does not do so. I tend to think that itis something related to the hardware of limit switches and maybe somevibrations. i