From the perspective of the structure of diamond saw blades, the matrix and serrations are the two key components that make up the blade itself. Among them, the substrate material determines the durability of the diamond saw blade, while the quality of the serrations determines the ease of use of the saw blade.
When diamond saw blade manufacturers produce diamond saw blades, the matrix and serrations exist as two independent parts.
The matrix and the saw blade go their own ways and are not related to each other, so they cannot form a complete diamond saw blade. However, many diamond saw blade manufacturers, in order to organically combine the saw blade and the matrix, the main methods are: brazing and laser welding.
For brazing, many business leaders engaged in aluminum profiles and stone processing will be very familiar with it. Because brazing is currently a commonly used method for welding teeth when alloy saw blade manufacturers manufacture saw blades.
Meanwhile, as a very mature sawtooth process, brazing is also used for the welding of diamond cutting heads. However, compared with laser welding, brazing still has some shortcomings.
For diamond saw blades with small diameter and used for dry cutting, the method of Laser beam welding teeth is generally adopted. For diamond saw blades that use wet cutting methods to cut stone or aluminum profiles, brazing is generally used for tooth welding.
For these two common diamond saw tooth welding methods, many people will think that the quality of laser welding is higher than that of brazing, so it is wise to choose a diamond saw blade with laser welding method.
This idea is actually very childish. Whether brazing or laser welding, they are just one of the many factors that affect the cutting effect of the saw blade.
It can be said that selecting diamond saw blades solely by selecting welding methods cannot achieve the expected cutting effect. To choose brazing or laser welding, it is wise to choose a diamond saw blade suitable for yourself after comprehensive consideration.
From the characteristics of the two welding methods, due to the severe mechanical impact between the diamond saw blade and the profile during the cutting process, the temperature of the saw blade itself suddenly increases.
Among them, if the cooling work of the saw blade is not done well. So, the serrated part is the "focal point" that bears the heat.
At this point, under such conditions, a small number of diamond saw blades using brazing technology may experience softening at their welding points. During high-speed rotation and dry cutting operations, the entire cutting head may detach from the substrate.
Under such conditions, the advantages of diamond saw blades with laser welding saw teeth are highlighted. Among them, the bending strength of laser weld can reach 1800MPa.
The bending strength of the welding seam of the diamond saw blade using brazing method is only 350MPa~600MPa. Compared with brazing, laser welding actually greatly reduces the possibility of tool tip falling off.
For these two common diamond saw blade welding processes, we cannot rely on one to ensure the quality of the entire saw blade.
For many aluminum profile and stone processing enterprises, in order to ensure the cutting effect of the saw blade, in addition to examining the welding method of the saw blade when introducing diamond saw blades, the key to ensuring the cutting effect and extending the service life of the diamond saw blade is to do a good job in cooling and grinding the saw blade during use.
Among them, for the cooling of diamond saw blades, the most mature solution in the industry is to use a micro lubrication system. The special Cutting fluid is sprayed to the saw blade in the form of atomization at a consumption of 0.05ml per second through the micro lubrication device, and then the heat accumulated on the saw blade is taken away.
For the blade of a diamond saw blade, if the blade can be used for a few more years, grinding the worn diamond saw blade after it wears out becomes a more effective solution to extend the service life of the saw blade and reduce the degree of tooth wear.
In the entire 20+grinding processes, the grinding quality has also been significantly improved, with one worn diamond saw blade being able to recover at least 80% of its cutting performance after grinding.
Of course, there are not only the above factors that can affect the cutting effect of diamond saw blades. But to truly revive a worn diamond saw blade, we need to take more measures.
Post time: Jun-30-2023