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All You Need to Know about Diamond Cutting Blades
February 06, 2020

Have you been searching for diamond cutting blades for your project? Then it helps to know how they work and what makes them work effectively.

 

First thing you should know is that diamond blades actually don’t cut, they grind. It is the exposed parts of the diamond crystals that perform the grinding work while a bond holds them in place.

 

What supports the diamond is the bond tail that trails behind each exposed crystal. As the blade rotates through the material being cut, the exposed diamond crystals grind the metal parts into a fine powder.

 

Once the diamond cutting blades have undergone several thousand passes through the material, the exposed diamonds start to crack and fracture. The bond or the metal matrix holding the diamond crystals together also begins to wear away. Over time of use, the diamond completely breaks down while the crystals are swept away with the material that it cuts. It is the controlled erosion of the bond that contains the diamonds that exposes the new layer of diamond points as the old one’s fracture and wear away. The cycle of eroding and exposing layer after layer of diamonds continue until all of the crystals and the bond are all gone.

 

Once all of this cutting section is all used up, it would be time to replace the diamond cutting blades. As for the bond, it is typically made of a combination of metal powders that are correctly formulated to make them able to hold the diamonds in place. This is long enough for them to achieve optimal use of the diamond crystals before exposing another layer and releasing the stone.

 

When cutting very soft abrasive materials such as newly poured concrete and asphalt, tungsten carbide is commonly used while cutting very hard and less abrasive material, soft metals are used as the bond such as bronze. Lastly, a useful rule to remember when it comes to bond-to-material application is that opposites attract.

 

 

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