I am building a new router table and was wondering if I should include a
miter slot in the top. I have not used the one in my old table very much,
but that is probably because my old table really sucks and I don't use it
for much of anything.
Do you use your router table miter slots a lot? Would some sort of sled
referencing off the fence be just as good. Is there a downside to having a
miter slot in a router table?
The top will be 1.5 inch MDF with high pressure laminate on both sides, and
edge banded in walnut. (it's what I have currently available).
Thanks for your input.
What is the advantage of the setup in the photo or conversely the
disadvantage of a routed slot and track. Doesn't this setup reduce the bit
I installed a miter track for feather boards and finger joint jigs, I
haven't seen any down side to it being there. Table 1 1/2" with router lift
slots weaken the table, making a point where it can flex. they gather
shavings and crap and are a place where your board can snag. since the
cutting action is rotary rather than linear there is no particular
reason for the slot to be better than the fence as a reference line
for jigs. I make my router table sleds to straddle the whole table and
reference both edges, using neither slots (which there are none) or
the fence, which I remove entirely for the purpose.
i use it for featherboards and my coping sled. The top to my table is 1.75"
thick. I doubt a 3/8" deep dado is going to weaken it in any way enough to
cause flex. It hasn't going on 5 years with a PC 7518 hanging under it.
When I made mine (same basic construction as you're describing), I
opted to leave it out for several reasons. First, I didn't use the
one in my old table, and never really thought of a good use for it.
Second, it made the old table (which was only a sheet of 3/4" ply)
really prone to bouncing and bending- and I didn't want my good one to
do that. Third, I laminated both sides (in my case, I used ply, not
MDF) to make sure that humidity fluxuations affected both sides
equally, and I didn't want to undo that effect by compromising the
surface- of course putting the hole for the plate in does just that,
but it goes all the way though, so both sides are affected in roughly
the same way. And fourth- and this one is the most important- I have
a router, it's a nice flat surface, and there is already a fence right
there- which means if I change my mind later, I can route the dado for
the miter slot in about ten seconds- it makes a lot more sense for me
to wait on it until I know I need it for something, especially since
the retrofit it so easy.
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