Why is diamond saw blade popular in the door and window industry for cutting
Jan 19, 2026
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The commonly used broken bridge aluminum profiles in the door and window industry are made by inserting insulation strips in the middle of the aluminum profiles to break them and form a broken bridge, effectively preventing the conduction of heat, hence the name broken bridge aluminum.
In the insulation strip of broken bridge aluminum, glass fiber is one of the main components, and even impurities such as iron powder and calcium carbonate powder are infiltrated. Therefore, the insulation strip belongs to a very hard material, even harder than aluminum. Therefore, this material is more difficult to cut than conventional aluminum. If ordinary hard alloy saw blades are used, the alloy blade of the saw blade will wear out quickly. Diamond alloy saw blades are specially designed for cutting broken bridge aluminum for doors and windows. In terms of saving consumables and time costs, diamond alloy saw blades are more cost-effective because diamond blade heads have the best wear resistance and are very suitable for cutting materials with extremely high hardness such as glass fiber.

In general, both hard alloy saw blades and diamond saw blades are capable of cutting. The equipment used for diamond alloy saw blades is mainly double headed saws, which achieve 45 degree sawing and have the characteristics of smooth cutting surfaces without burrs and long service life


Brazed diamond saw blades can be used to cut various materials. Compared to traditional grinding wheel cutting blades, they are not only durable but also safer
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