Cool way to wedge in a splitter!
I used my original Delta insert as a template for making a working insert
template. When I get bored I zip out a few on the router table, usually from
my scrap pile of 1/2" thick oak. Leveling screws are really short set screws.
How well does the surface of the plywood hold up?
I get chips, etc, near where the teeth re-enter. Basically it's from the
hammering that occurs at this spot. I know that oak is a bit splintery and
was wondering if that is my problem. The multiple plies would seem to reduce
this effect, but the softer wood could also help (springier) or hurt (get
beat up more).
I suppose the best thing is to just try and see! I should know in about a
I read somewhere a suggestion to open up the insert kerf slightly. Maybe
about two swipes with a file on either side, just enough to give the
teeth a tiny bit of clearance.
Think that would help in this case?
Never teach your apprentice everything you know.
I would have thought that between thousands of rotations per minute plus
the slight wobble & vibrations in any setup that there soon would be
That being said, on my zero clearance insert I do seem to hear a bit of
a woosh or whistle or some such sound but I always attributed it to air
being forced through a tighter space than with the original wide
Yup, mine tends to get a tad wider on it's own, probably from flexing a bit
as I cut various things that tend to side-load the blade a bit (think really
thin crosscuts to sneak up on a fit).
I'm going to use my template and knock out a few with some Ruskie BB I have.
Being perfectly flat and smooth in these small sizes (plus a use for all that
scrap!), I think it may convince me to switch.
Here are links to my inserts.
Bottom view showing adjustable screws on bottom side and retainer to keep
the insert from lifting in the back.
Top view showing back retainer
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