Ryobi ts1341 User Manual download pdf (Page 25)

OPERATION

When setting the bevel and miter angles for compound miters,

remember that the settings are interdependent; changing

one angle changes the other angle as well.

Keep in mind that the angles for crown moldings are very

precise and difficult to set. Since it is very easy for these

angles to shift, all settings should first be tested on scrap

molding. Also most walls do not have angles of exactly 90

therefore, you will need to fine tune your settings.

When cutting crown molding by this method the bevel angle

should be set at 33.85

°.

The miter angle should be set at

31.62

either right or left, depending on the desired cut for

the application. See the chart below for correct angle settings

and correct positioning of crown molding on miter table.

The settings in the chart on page 26 can be used for cutting

All Standard (U.S.) crown molding with 52

and 38

angles.

The crown molding is placed flat on the miter table using

the compound features of your miter saw.

Fig. 30

CUTTING CROWN MOLDING

The compound miter saw does an excellent job of cutting

crown molding. In general, compound miter saws do a better

job of cutting crown molding than any other tool made.

In order to fit properly, crown molding must be compound

mitered with extreme accuracy.

The two contact surfaces on a piece of crown molding that

fit flat against the ceiling and the wall of a room are at angles

that, when added together, equal exactly 90

. Most crown

molding has a top rear angle (the section that fits flat against

the ceiling) of 52

and a bottom rear angle (the section that

fits flat against the wall) of 38

LAYING MOLDING FLAT ON THE MITER

TABLE

See Figure 30.

To use this method for accurately cutting crown molding for

a 90

inside or outside corner, lay the molding with its broad

back surface flat on the miter table and against the fence.

CEILING

INSIDE

CORNER

CROWN MOLDING FLAT ON MITER TABLE

FENCE

MITER TABLE

BOTTOM EDGE AGAINST FENCE =

RIGHT SIDE, INSIDE CORNER

LEFT SIDE, OUTSIDE CORNER

FENCE

MITER TABLE

OUTSIDE

CORNER

TOP EDGE AGAINST FENCE =

LEFT SIDE, INSIDE CORNER

RIGHT SIDE, OUTSIDE CORNER

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Ryobi ts1341 User Manual Page 25

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