When selecting a saw blade, make sure to choose the right one based on the type and thickness of the material being cut, as well as the cutting speed, cutting direction, feed rate, and desired saw kerf width.
Woodworking saw blades come with various parameters, including the type of alloyed blade tip, the material of the substrate, diameter, number of teeth, thickness, tooth profile, angles, and hole size—each of these factors directly influences the blade's cutting capacity and performance. When selecting a saw blade, it’s essential to match the blade appropriately based on the type and thickness of the material being cut, as well as considerations like cutting speed, cutting direction, feed rate, and desired kerf width.
When selecting the number of teeth—specifically, the number of teeth on the saw blade—in general, the more teeth there are, the more cutting edges engage per unit of time, resulting in better cutting performance. However, a higher tooth density requires more carbide material, which increases the cost of the saw blade. On the other hand, if the teeth are too closely spaced, the chip space between them becomes insufficient, leading to excessive heat buildup in the blade. Additionally, having too many teeth can exacerbate friction between the cutting edge and the workpiece—especially if the feed rate is improperly matched—thereby shortening the lifespan of the blade. Typically, the tooth spacing ranges from 15 to 25 mm, and the appropriate number of teeth should be chosen based on the material being cut.