How To Choose Carbide saw blades Correctly?

News 12 Jan 2023

Carbide saw blades are the most commonly used cutting tools for wood product processing, and their quality is closely related to the quality of processed products. The correct and reasonable selection of carbide circular saw blades for wood is of great significance for improving product quality, shortening processing time, and reducing processing costs.

Tungsten carbide circular saw blades include the parameters, such as the saw tips grade, the material of the body, the tooth shape, the angle, the diameter, the number of teeth, the thickness, the bore size, and other parameters. These parameters determine the processing capacity and cutting performance of the saw blade.

Choose carbide tips grade

Because tungsten-cobalt-based cemented carbide has better impact resistance, it is more widely used in the wood processing industry. The commonly used model in wood processing is YG8-YG15.

Selection of saw blade tooth type

The tooth type of the circular saw blade is divided into left and right teeth, tapered teeth, flat teeth, trapezoidal teeth, crescent teeth, etc. In actual use, the choice is mainly based on the type of raw material being sawed.

Choice of saw teeth angle

The angle parameter of the saw teeth part is more complicated, and the correct selection of the angle parameter of the saw blade is the key to determining the quality of sawing. The most important angle parameters are rake angle, rear angle, and wedge angle.
The rake angle mainly affects the force consumed by sawing wood chips. The rake angle is generally between 10-15°. The larger the rake angle, the better the sharpness of the saw tooth cutting, the lighter the sawing, the more effortless saving. The clearance angle of cemented carbide saw blades is generally 15°.

The number of saw teeth

Generally speaking, the more teeth, the more cutting edges can be cut per unit of time, and the better the cutting performance. However, the more cutting teeth, the more cemented carbide is needed, and the higher the price of the saw blade. Usually, the tooth spacing is 15-25mm, and a reasonable number of teeth should be selected according to the material to be sawed.

The thickness of the saw blade

In theory, we hope that the thinner the saw blade is, the better, but the sawing is a consumption. The material of the saw blade and the process of manufacturing the saw blade determine the thickness of the saw blade. When choosing the thickness of the saw blade, the stability of the saw blade and the material to be cut should be considered.

The circular saw blade sizes

The diameter of the saw blade is related to the sawing equipment used and the thickness of the sawing workpiece.
For a small circular saw, the cutting speed is relatively low; a large circular saw has higher requirements for the saw blade and sawing equipment, and the sawing efficiency is also high.

Choice of bore size

The bore size is a relatively simple parameter, which is mainly selected according to the requirements of the equipment, but in order to maintain the stability of the saw blade, it is best to choose a larger bore size for the saw blade above 250mm.

The choice of cemented carbide saw blades is related to so many parameters. It seems very complicated. As long as you find a suitable professional supplier, it is easy.

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