Last week, Beth finished gluing up the two sections of the chest. This week
she starts out preparing to cut biscuit slots for the top and bottom sections.
She has used the Jessem Mast-R-Lift to crank the bit all the way up. At this
point the lower wrench can be laid flat on the table. That is the highest this router will
go which makes changing bits very easy indeed.
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With the lower wrench
in place and resting on the table surface, she can position the 2nd wrench. The inset
photo shows the typical way to handle two wrenches. And, as most woodworkers with two
wrench routers know, this is a good way to mash your knuckles. I show Beth how to hold the
two wrenches and squeeze them together to loosen or tighten the collet. She is installing
a 5/32" slot cutter. This is a great size for cutting biscuit slots.
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Beth lowers the router until
it is at the halfway point of a piece of 3/4" stock.
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She puts in place the insert
ring which fits over the slot cutter and locks it in place. She always brushes away any
dust that has accumulated in the base so that the ring can be flush with the plate.
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She adjusts the
fence until it is aligned with the pattern bearing and locks it in that position.
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Beth has opened the two
split fences to allow about 1/8" clearance on both sides. BUT, she always
turns the bit one rotation by hand to double check the clearance.
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As I said
earlier, we were expecting to cut biscuits and join single boards rather than glued
assemblies, but we plum forgot and went ahead and glued up the section. Beth handles this
cutting easily. She says that the weight of the assembly takes care of keeping the board
flat on the table.
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This graphic may
help you to understand how Beth makes a correct biscuit cut. In picture 1, she moves the
piece into the cutter so that her line is at the right edge of the bearing - 2. Then she
moves the board to the left until it gets to the left side of the bearing - 3. In picture
4, she eases the board away from the cutter. I find that this method of biscuit
cutting is faster and more exact than using my biscuit cutter.
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As before, this view always
looks strange, but Beth says that once the section is on the table it is easy to make the
cut.
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Beth sets the section in
place over the biscuits. This is only a dry fitting. I don't usually dry fit with biscuits
in place, but this time we thought it would be a good idea. It fit well, so next, the
glue-up.
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