So, I’ve just used a 1/32" Solid Carbide Downcut Fish Tail Spiral Bit for the second time, after successfully cutting out a shallow pocket yesterday, to cut a series of pockets in 18mm plywood to test cut three pockets and some lettering, with the following settings:
Depth per Pass: 1.270mm
Plunge rate: 203.2mm
Feed rate: 254mm
Max Depth: 3mm
But the bit snapped (my first one!)
Are these settings a bit too much for such a small end mill?
It waited until the second of the three pockets to break and, of course, I don’t have another one!