Newbie here trying to get my router doing something useful.
I am trying to cut some countersinked bolt holes in plywood (eventually MDF, but I'm just playing around with a scrap of ply. These are for 5/16" bolts, and I've got a 1/8" upcut spiral bit.
If I cut a profile of a square, it comes out fine. When I try the countersink with a spiral pocket, the circle is misshapen. I'm guessing the tool is bending for some reason.
I've got it set low: 60 ipm, .0675 doc. It should be able to do this at 600ipm and .25 doc, which is how deep I want the countersink, i.e. one pass. The router is set to around 20000 rpm.
I'm probably doing something stupid.
This is an FLA300, R&P drive on both X and Y, with an M12V router, Mach3.