Hoffmann MU2-P Operating Manual page 9

Hoffmann MU2-P Dovetail Routing Machine
9.5 Compound Miter Joints
Moulding joined with a compound miter is machined almost like a standard, flat moulding. To achieve a
tight and correctly aligned joint, the mitered face must be placed tight against the machine back fence and
the moulding edge must rest against the black steel fence plate.
The machine is set for the first Key location and routing height. After all moulding parts are processed the
set-up is changed for the second Key location and routing height.
This series of pictures shows the operation on a MU-2 manual bench-top machine, however the same set-up is used in
principle on all Hoffmann Dovetail Routing machines.
dovetail keyway locations
moulding edge rests against fence plate
Hoffmann Machine Company, Inc.
Phone: (828) 430 - 4510
- 8 -
push miter face tight against back fence
Keys are inserted with a round steel punch
The completed joint with no visible fastener.
Note:
Place first Key close to inside corner and
second Key close to outside corner - choose
thick moulding sections and use longest Key
possible.
1386 Drexel Road
Fax: (828) 430 - 4620
www.Hoffmann-USA.com
Depending on moulding width, use two or
more Keys for tight joints.
Use of good quality glue is important.
For best results, use a shop-made jig to
hold moulding steady while routing (jig
can be mounted to recessed aluminum
fence rail).
Valdese, NC 28690
e-mail: info@Hoffmann-USA.com