Frame Mortise & Tenon Jig User Guide
35
Chapter 5
MULTIPLE JOINTS
5-22
The maximum dimensions for quadruple joints are:
Tenon Workpiece
➀
: 3" x 5
1
⁄
2
"[70 x 140mm]
Tenon Size
➁
:
1
⁄
2
x 2"[12 x 50mm]
Center Spacing
➂
: 1
1
⁄
2
x 2
1
⁄
2
"[38 x 63mm].
2
3
3
1
1
2
5-23 Tenons
Mark the four tenon and mortise centers to suit
your layout. Take care to leave a space between tenons
➀
at least
slightly greater
than the tenon bit diameter
➁
.
1
1
2
5-24
Center (approximately)
➀
and clamp the tenon board on
the clamp plate and set the side stop fence. Note: If the tenon
board does not touch the underside of the table, extend the sight
to stop the board.
1
1
5-25
Extend the sight, release the table clamp and move the table
to sight the
left hand front
tenon
➀
.
Lock the table.
Move the right hand
LR
stop to its post and lock
➁
.
Move the back
FB
stop to its post and lock
➂
.
2
3
1
1
Quadruple Joints
5-20
Move the table back against its stop
➀
and lock. Rout the
rear mortise
➁
. Leave the table back.
2
1
5-21
Extend the sight, unclamp and move the mortise board left
so that the rear mortise of the pair at the right end of the piece
is centered under the sight
➀
and re-clamp. Mark the left hand
outrigger or set a stop
➁
adjacent to that end of the workpiece. Rout
first the rear mortise at this (right-hand) end, then move the table
and rout the front mortise. The outrigger marks or stops are now set
up for successive workpiece mortising.
■
1
2
Summary of Contents for FMT PRO
Page 14: ...10 Chapter 2 Frame Mortise Tenon Jig User Guide MOUNTING THE ROUTER ...
Page 24: ...20 Chapter 3 Frame Mortise Tenon Jig User Guide THE FMT PRO JIG ...
Page 34: ...30 Chapter 4 Frame Mortise Tenon Jig User Guide MORTISE TENON ROUTING PROCEDURES ...
Page 44: ...40 Chapter 4 Frame Mortise Tenon Jig User Guide MULTIPLE JOINTS Chapter 5 ...
Page 50: ...46 Chapter 4 Frame Mortise Tenon Jig User Guide WORKPIECE AND JOINT OPTIONS Chapter 6 ...
Page 64: ...Appendix I Frame Mortise Tenon Jig User Guide JOINT SPECIFICATIONS GUIDE BIT SELECTION 60 ...
Page 74: ...Printed in Canada Joining Tradition with Today Leigh Router Joinery Jigs ...