Starrett CP505E-12 Electronic Protractor Manual do Utilizador Página 2

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978-249-3551 starrett.comSpecifications subject to change.1M/QForm 970 01/12
2
Inside Corner
Left Piece Right Piece
Work Piece Location: Left to Blade Work Piece Location: Left of Blade
Miter Swing: Right Miter Swing: Left
Bevel Swing: Left Bevel Swing: Left
Molding Edge Against Fence: Top Molding Edge Against Fence: Bottom
Outside Corner
Left Piece Right Piece
Work Piece Location: Right of Blade Work Piece Location: Right of Blade
Miter Swing: Left Miter Swing: Right
Bevel Swing: Right Bevel Swing: Right
Molding Edge Against Fence: Bottom Molding Edge Against Fence: Top
Use the chart below for settings and layout for crown molding cuts with a
compound miter saw.
Making the Cut, Crown Molding
ADJUSTSAWFORBEVEL

SPRING

CROWN
34.2
ADJUSTSAWFORMITER

SPRING
38
CROWN
32.1
Bevel and Miter Angles for Crown Molding Cuts
Press the MODE button until CROWN is displayed. Press the NEXT button to
select the spring angle that coincides with your molding. Choices are 38°,
45°, 52°, or Custom.
Use the SELECT/HOLD button to lock in this value. Open the tool and place it
in the corner to be measured. Note the value in degrees (Fig. 18).
Press the NEXT button to display the miter saw blade setting (Fig. 19).
MEASURE
CORNER
SPRING
38
CROWN
89.0
Fig. 18
Fig. 19
Fig. 20
Press NEXT again to display the bevel angle setting (Fig. 20).
ADJUSTSAWFORMITER

SPRING
CUST

CROWN
39.4
ADJUSTSAWFORBEVEL

SPRING
CUST

CROWN
23.9
MEASURE
CORNER
SPRING
CUST

CROWN
55.0
To determine the miter angles using a custom spring angle, sequence
through MODE to get to CROWN, then push the NEXT button until CUS is
displayed (Fig. 14).
Press the SELECT/HOLD button to set the spring angle. Move the arm of the
protractor until the display shows the value of your custom angle (Fig. 15).
Then Press the NEXT button and measure the corner angle.
If you find that your molding is not one of the standard spring angles using
the steps above, use the custom option to determine the angles for your cut.
First, write down your custom angle (Fig. 15).
Press NEXT to attain the miter angle (Fig. 16). Then press NEXT and set your
blade to the bevel angle displayed (Fig. 17).
SETSPRING
CUST

CROWN
CUS
Fig. 14
Fig. 15
Fig. 17
Using a Custom Angle
Fig. 16
Measure

PROTRACTOR

38.0
Wall
SpringAngle
CrownMolding
Ceiling
How to Determine the Crown Molding Spring Angle
The spring angle of crown molding stock is the angle from the back of the
molding to the wall. While the spring angle is stamped on some stock, it is
preferable to verify the measurement.
To make this measurement, place the molding on the edge of a work bench
and set the material so the edge that will come into contact with the wall is
facing down on to the surface of the bench.
The molding will be on an angle. Lightly clamp the molding to hold in place
(Fig. 11). Place the 505E under the bench top and open the arm so it mimics
the angle of the molding. Place the 505E as shown in Fig. 12, then press
NEXT and cycle through to the obtuse setting as shown in Fig. 13. This will be
your spring angle. Common angles are 38°, 45°, or 52°.
Fig. 10
Fig. 12
Fig. 13
Fig. 11
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