| - EXAMPLES - |
NO. SIDES | ANGLE MITER OR BEVEL |
4 | 45° |
5 | 36° |
6 | 30° |
7 | 25.7° |
8 | 22.5° |
9 | 20° |
10 | 18° |
CUTTING COMPOUND MITERS
A compound miter is a cut made using a miter angle and a bevel angle at the same time. This is the type of cut used to make frames or boxes with slanting sides like the one shown in Figure 18.
NOTE: If the cutting angle varies from cut to cut, check that the bevel clamp knob and the miter lock knob are securely tightened. These knobs must be tightened after making any changes in bevel or miter.
The chart shown on page 16 will assist you in selecting the proper bevel and miter settings for common compound miter cuts. To use the chart, select the desired angle “A” (Figure 19) of your project and locate that angle on the appropriate arc in the chart. From that point follow the chart straight down to find the correct bevel angle and straight across to find the correct miter angle.
Set your saw to the prescribed angles and make a few trial cuts. Practice fitting the cut pieces together until you develop a feel for this procedure and feel comfortable with it.
EXAMPLE: To make a 4 sided box with 26° exterior angles (Angle A, Figure 19), use the upper right arc. Find 26° on the arc scale. Follow the horizontal intersecting line to either side to get miter angle setting on saw (42°). Likewise, follow the vertical intersecting line to the top or bottom to get the bevel angle setting on the saw (18°). Always try cuts on a few scrap pieces of wood to verify settings on saw.
MITER SCALE
The scale is used when calculating angles. To calculate the proper miter angle, divide 180° by the number of sides of the box or frame. Refer to the chart on page 11 for some examples.
VERNIER SCALE (FIG. 23, 24)
Your saw is equipped with a vernier scale for added precision. The vernier scale allows you to accurately set miter angles to the nearest 1/4° (15 minutes). To use the vernier scale follow the steps listed below.
(As an example, let’s assume that the angle you want to miter is
1.Turn off miter saw.
2.Set the miter angle to the nearest whole degree desired by aligning the center mark in the vernier scale, shown in Figure 23, with the whole degree number etched in
FIG. 23
CENTER MARK ON VERNIER SCALE ALIGNS WITH
DESIRED WHOLE ANGLE ON MITER SCALE
(24° RIGHT MITER)
FIG. 24
1/4° VERNIER MARK ALIGNS WITH CLOSEST WHOLE DEGREE MARK ON MITER SCALE
FIG. 25
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the miter scale. Examine Figure 23 closely; the setting shown is 24º right miter.
3.To set the additional 1/4°, squeeze the miter arm lock and carefully move the arm to the RIGHT until the 1/4° vernier mark aligns with the CLOSEST degree mark on the miter scale. In our example, the closest degree mark on the miter scale happens to be 25°. Figure 24 shows a setting of
For settings that require partial degrees (1/4, 1/2, 3/4°) align the desired vernier mark with the CLOSEST degree mark on the miter scale, as described above. (The plastic vernier plate is inscribed with marks for 1/4, 1/2, 3/4 and 1°. Only the 1/2° is numerically labeled.)
WHEN MITERING TO THE RIGHT
To increase the miter angle when mitering to the right, move the arm to align the appropriate vernier mark with the closest mark on the miter scale to the right. To decrease the miter angle when mitering to the right, move the arm to align the appropriate vernier mark with the closest mark on the miter scale to the left.
WHEN MITERING TO THE LEFT
To increase the miter angle when mitering to the left, move the arm to align the appropriate vernier mark with the closest mark on the miter scale to the left. To decrease the miter angle when mitering to the left, move the arm to align the appropriate vernier mark with the closest mark on the miter scale to the right.
CUTTING BASE MOLDING
ALWAYS MAKE A DRY RUN WITHOUT POWER BEFORE MAKING ANY CUTS.
Straight 90° cuts :
Position the wood against the fence as shown in Figure 21. Turn on the saw, allow the blade to reach full speed and lower the arm smoothly through the cut.
CUTTING BASE MOLDING UP TO 3.5" (88.9 mm)
HIGH VERTICALLY AGAINST THE FENCE Position molding as shown in Figure 25.
All cuts are made with the back of the molding against the fence and bottom of the molding against the base.
INSIDE CORNER: | OUTSIDE CORNER: | ||
Left side | Left side | ||
1. | Miter left 45° | 1. | Miter right at 45° |
2. | Save left side of cut | 2. | Save left side of cut |
Right side | Right side | ||
1. | Miter Right 45° | 1. | Miter left at 45° |
2. | Save right side of cut | 2. | Save right side of cut |
Material up to 3.5" (88.9 mm) can be cut as described above. For wider boards [up to 4.25" (107.95 mm)] several minor concessions must be made.
When cutting a board between 3.5" (88.9 mm) and 4.25" (107.95 mm) in width the roller on the tip of the guard could
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