Selection of cemented carbide saw blade (3)

May 10, 2022

Tooth shape selection

Left and right tooth (alternate tooth), flat tooth, ladder flat tooth (high and low tooth), inverted trapezoid tooth (inverted conical tooth), dovetail tooth (hump tooth)are commonly used for the tooth shapes . Also rare industrial grade three left and one right, left and right flat tooth and so on.

1.Left and right teeth are the most widely used, with fast cutting speed and relatively simple grinding. Suitable for cutting and cross sawing all kinds of soft and hard solid wood profiles and density board, multilayer board, particleboard, etc. The left and right teeth with anti-rebound protection teeth are dovetail teeth, which are suitable for longitudinal cutting various boards with tree joints.The left and right tooth saw blade with negative front Angle is usually used for panel sawing because of its sharp edge and good sawing quality.

2. Flat tooth saw mouth is rough, cutting speed is slow, grinding is the most simple. It is mainly used for ordinary wood sawing with low cost. It is mostly used for aluminum saw blades with small diameter to reduce adhesion during cutting, or for slotting saw blades to keep groove bottom flat.

3. Ladder flat tooth is a combination of trapezoid tooth and flat tooth. And grinding is more complex. It can reduce veneer crack phenomenon when sawing, which suitable for all kinds of single and double veneer wood-based board, fire board sawing. Aluminum saw blades with more teeth are also used in order to prevent adhesion.

4. Inverted ladder teeth are often used in the slot saw blade of cutting board saw bottom. When cutting the wood-based board with double veneer, the slot saw adjusts the thickness to finish the grooving of the bottom, and then the main saw completes the cutting of the plate, so as to prevent edge collapse.

5 tooth shape: left and right tooth shape, ladder flat tooth, swallow tail tooth, flat tooth, inverted ladder tooth.

To sum up, saw solid wood, particleboard, dense board should be selected around teeth, can be sharp wood fiber tissue cut off, smooth incision; In order to keep the bottom of the groove flat slot, flat tooth shape or left and right flat combination teeth; Sawing stick panel, fire board generally choose ladder flat teeth, computer cutting saw due to saw cutting rate, alloy saw blade diameter and thickness are relatively large, the diameter of about 350-450mm, thickness between 4.0-4.8mm, most of the ladder flat teeth, in order to reduce edge collapse, saw marks.