39
Cutting Crown Molding
Crown molding cuts must be positioned properly
to fit exactly.
There are two ways to cut crown molding: flat on
table or angled to table and fence.
Crown molding’s “spring angle” is the angle
between the back of the molding and the bottom
flat surface that fits against the wall.
This miter saw has special miter detents at 31.6°
and bevel detents at 33.9°. These detents allow
you to easily position most crown molding flat on
the table and make precise cuts for 90° corners.
NOTE: These detents cannot be used with 45°
“spring angle” crown molding. These detents are
only for use with crown molding that has a 38°
“spring angle.”
See also pages 40 and 41 for miter and bevel angle
charts for cutting crown molding that has 38°
spring angles. Each chart lists the exact miter and
bevel settings required for a wide range of corner
angles.
Even though these angles are standards, most
rooms do not have angles of exactly 90°; therefore,
you will need to fine-tune your settings.
The optional Bosch DAF220K MiterFinder
Digital Anglefinder/Protractor measures spring
angles and corner angles, then automatically
determines the exact miter and bevel settings
necessary to make each crown molding cut fit
perfectly.
Cutting Base Molding
Base molding can be cut vertical against fence or
flat on the table. The maximum size that can be
v
ertical on the fence is 2-3/4", flat on table is 12-
1/4". Cutting base molding can be done either as a
chop cut or a slide cut depending on the size of the
workpiece.
Follow the table for helpful hints on cutting base
molding for corners that have 90° angles.
Saw Operations
BASE MOLDING CUTTING INSTRUCTIONS
LOCATION OF
MOLDING ON SAW
Molding in Vertical Position:
Back of molding is against
the fence (up to 2-3/4”)
Molding in Horizontal
Position: Back of molding is flat
on the table (up to 12-1/4”)
Bevel Angle Bevel = 0º Bevel = 45º
Molding piece being cut
To left of
corner
To right of
corner
To left of
corner
To right of
corner
Inside
corner of wall
Miter Angle Left at 45º Right at 45º 0º 0º
Position
of molding
on saw
Bottom
against table
Bottom
against table
Top against
fence
Bottom
against fence
Finished side
Keep left
side of cut
Keep right
side of cut
Keep left
side of cut
Keep left
side of cut
Outside
corner of wall
Miter Angle Right at 45º Left at 45º 0º 0º
Position
of molding
on saw
Bottom
against table
Bottom
against table
Bottom
against fence
Top against
fence
Finished side
Keep right
side of cut
Keep right
side of cut
Keep right
side of cut
Keep right
side of cut
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