Selection of saw blade sawtooth angle

The angle parameters of the sawtooth part are more complicated and the most professional, and the correct selection of the angle parameters of the saw blade is the key to determine the quality of sawing.
The most important angle parameters are rake angle, relief angle and wedge angle. The rake angle mainly affects the force expended in sawing wood chips. The larger the rake angle, the better the cutting sharpness of the sawtooth, the easier the sawing, and the less effort it takes to push the material.
Generally, when the material to be processed is soft, a larger rake angle is selected, otherwise a smaller rake angle is selected. The angle of the sawtooth is the position of the sawtooth when cutting. The angle of the teeth affects the performance of the cut. The biggest influence on cutting is the rake angle γ, the relief angle α, and the wedge angle β. The rake angle γ is the cutting angle of the sawtooth. The larger the rake angle, the lighter the cutting. The rake angle is generally between 10-15°C. The relief angle is the angle between the sawtooth and the processed surface, its function is to prevent the friction between the sawtooth and the processed surface, the larger the relief angle, the smaller the friction, and the smoother the processed product. The back angle of the cemented carbide saw blade is generally set at 15°C. The wedge angle is derived from the rake and relief angles. But the wedge angle cannot be too small, it plays a role in maintaining the strength, heat dissipation and durability of the teeth. The sum of rake angle γ, rear angle α and wedge angle β is equal to 90°C.