Table Saw Special Operations (continued)
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Figure 4-18. Examples of pierced panels. The openings are the result of intersecting cuts that are made on opposite surfaces of the stock.
Piercing is done on the table saw by running intersecting cuts on opposite surfaces of the stock. When the projection of the saw blade is a bit more than half the stock's thickness, openings in the work result where the cuts cross (Figure 4-18). The overall pattern is affected by the kerfs as well as the openings, so it is important to visualize the results before doing the cutting. It's wise to go through the procedure on scrap material. By using a simple guide like the one shown in use in Figure 4-19, the kerfing can be done at an angle, which adds another dimension to the technique. Piercing can be done with a regular saw blade or with a dado head for wider cuts. Warning: Piercing is done without the upper saw guard in place so work with extreme caution.
Figure 4-19. Piercing can also be done by making angular cuts. Since most work of this type is too large to be handled with a miter gauge. It is necessary to make a special notched guide so the passes can be made safely and accurately.