Beth is back on one of the
"warmer days" (33o outside and not much better inside except for the
small radiant heater.)
She unclamps the face frame for the front of the clock.
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She checks to see how
smooth all the joints are. Thankfully, they are very smooth and will require very little
sanding, and that will be mainly to remove the witness marks.
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It's back to
the Delta Bench Random Orbital Sander to smooth the face frame. It takes only a minute or
two to remove the marks and finish sand the piece.
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All the joints look good.
It is time to move to the next step.
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The plans are very
detailed. Here, Beth reads the instructions for converting the CMT/Sommerfeld Junior
Raised Panel Bits so that the cove bit can include a rabbet for the glass pieces.
She wasn't quite sure how that would work or what it would look like, so I
suggested that she use the bits in their original configuration and cut a sample joint.
She liked that idea.
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She starts by installing
the cope cutter.
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She adjusts the fence so
that it is lined up with the pattern bearing of the bit.
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She makes the cut on
the end of a piece of walnut scrap. Her right hand holds a push stick that has MDF
attached. This hand is firm against the fence and guides the piece through the cutter.
With her left hand holding a rubber bottomed push pad, she holds the work
piece in place against the fence and the other push block. With this method, the cutting
of small pieces is safe and accurate.
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She inspects the cut. It is
straight and crisp a real nice cut. It is time to change bits and make the mating
joint.
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Using the bent wrench, she
quickly replaces the bit. Since these are matched bits, she needs only to insert them all
the way into the collet and tighten. Remember, an O-ring in the bottom of the collet keeps
the shaft from "bottoming out." This is a real good system. She doesn't have to
re-adjust height at all.
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She sets the fence to this
bit's pattern bearing.
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She makes the cut along the
length of another sample piece. She has rotated the pad with the MDF base so that it will
serve as a backer board and reduce tearout.
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Here is Beth's finished
sample joint using the CMT/Sommerfeld Junior Raised Panel set. I have separated the two
pieces ever so slightly so that you can see the profile.
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Normally, the panel is
inserted in the groove. When you use the raised panel bit that is a part of the set, the
panel fits exactly. This groove is 1/4" and would also allow a standard piece of
1/4" plywood.
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