Diamond cutting blades are one of the main cutting tools for metallographic precision cutting, with a wide variety of types and models. There are resin based and metal based; Has different hardness; Having apertures of 12.7mm and 32mm; The outer diameter ranges from 3 inches to 10 inches, and even larger. In addition to the above technical parameters, there is also a technical parameter that is often overlooked&flash& Flash; Diamond concentration. Diamond metallographic cutting pieces have different diamond concentrations, and there are differences in performance and application between low and high concentration diamond cutting pieces. Let me briefly introduce them to you.

Generally speaking, the concentration of diamond in diamond cutting blades is the proportion and distribution of diamond particles in a unit volume of diamond cutting blade, known as the concentration. Due to the performance and price factors of diamond itself, the concentration directly affects the cutting performance and price of diamond cutting pieces.

To be precise, the concentration of diamond in diamond cutting pieces refers to the content of diamond components in the blade, with a concentration of 100=4.4 carats per centimeter of layer volume (particles+matrix). According to this definition, the concentration of diamond varies from 8 to 135.

The cutting performance, applicability, and service life of diamond metallographic cutting blades are directly related to diamond concentration. In application, it is necessary to select appropriate concentration diamond cutting blades based on factors such as the material to be cut, the type and hardness of the substrate, the speed of the cutting machine, and the coolant used. Not only can the cutting ability of the precision cutting machine be fully utilized, but also a good cutting cross-section of the cut sample can be easily obtained.

The basic principles of application are:

l  Low concentration diamond cutting pieces are used to cut hard and brittle materials such as ceramics, glass, carbide, sapphire, silicon, semiconductor and optical materials.

l  High concentration diamond cutting blades are used to cut metals and composite materials, such as soft materials such as aluminum, titanium, and PCB circuit boards.

The diamond metallographic cutting blades of QMAXIS (Kemai) in the United States are matched with better diamond concentration for each type of diamond cutting blade according to the applicable material, meeting the requirements of fast, accurate, and long service life for precision cutting, making them a choice for precision cutting.

Understanding the differences in the application of metallographic cutting pieces with different diamond concentrations can help us choose cutting pieces appropriately and assist in better metallographic cutting sampling work. If you encounter any related issues in your work, please feel free to contact Kemai Testing Engineer for consultation at any time。