Frame Mortise & Tenon Jig User Guide
45
Chapter 6
WORKPIECE AND JOINT OPTIONS
6-21 Use C-clamps to hold the workpiece onto the bracket, with
the workpiece rear edge touching the clamp plate. Now raise the
bracket so the workpiece touches the underside of the table.
Re-secure with the Leigh Clamps. The widest board in which a
mortise may be centered is 4
5
⁄8"[115mm]
➀
.The thickest capacity
is 4"[100mm]
➁
.
1
2
6-22 Mortises in center of boards 4 5/8
"
to 6 ½
"
[115 to
165mm]
➀
: Mark mortise center on a test board
➁
. Using the
guide recess front edge as mortise guide
➂
, adjust the table to center
the mortise
➃
. Control mortise length with
3
⁄16"[5mm] dowel pieces
in the pin track
➄
(see 6-16). Note: This is not a standard Leigh
solution, but we thought it would solve this rare challenge.
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