I have the exact same results with my 1200 LOM. I believe it has do with
the router not being exactly perpendicular to the rotating stock. The side
that has the ridge requires to be shimmed up. By that, I mean placing shim
stock between the router and the router sled. I will be working on this on
the upcoming weekend. When I mill to round a stock, I slowly move the
router and quickly rotate the stock with the rotation coming from under the
router bit and have the router slightly off center. This results in a
spiral all the way down the stock. BTW, I have found a large tablet at
Staples with a square grid pattern (close but not exactly 1"x1") that I use
for drawing out the object to be milled. I use the bit template downloaded
from this site to trace out the pattern. Not as good as having the
Plexiglas, but is works.
On Monday, February 13, 2017 at 9:46:48 PM UTC-6, Jim Riggen wrote:
> I tried my first effort tonight. I made a round piece of wood! One problem
> though. I used a #2704 bit hoping to get a smooth cylinder. Alas, I did
> not. I think the router and wood are not perpendicular. The error is quite
> small. How do I correct this?
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