Box Joints
SUPERJIG - CHAPTER 14
Concept of Operation
The first board is set against the side stop
.
The Spacer is used to space the guide fingers
.
The Spacer is also used on the side stop
to accu-
rately offset mating work pieces for correct board to
board joint alignment.
1
2
3
1
2
3
Actual Joint Sizes
The Superjig finger assembly was originally designed solely for dovetailing. Adapting the assembly for box jointing
was a serendipitous combination of luck (existing guides approximately the correct dimension) and clever design;
the e7-Bush and Spacer.
So the nominal
5
⁄16" and
5
⁄8"[8 and 16 mm] box joint sizes are actually
21
⁄64" and
21
⁄32" [8,3 and 16,7mm]
respectively.
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