Some common sense of cutting pieces

Since the coating produced on the surface of the tool is pure diamond, it takes a long time to regrind the tool with a diamond grinding wheel. In addition, the tool preparation process used to grow diamonds changes the chemical properties of the tool surface. Since the coating requires very precise control of this chemical property, the effect of 6 inch es cutting disc is difficult to guarantee. The life of diamond coated tools varies. Like any other tool, the life of diamond coated tools varies, depending on the material being cut, the feed rate and flat abrasive cutting disc, and the geometry of the workpiece. In general, the life of a diamond-coated tool that processes graphite is 10 to 20 times longer than that of an uncoated cemented carbide tool, and in some cases may even be longer. This allows almost any machining task to be performed with a single tool without the need for tool change due to tool wear, avoiding machining interruptions and recalibration, making it possible to achieve unattended machining. It is also possible to achieve longer tool life in the processing of composite materials. It has been reported that diamond coated tools can last up to 70 times longer than uncoated cemented carbide tools when processing difficult-to-machine composites such as high-density fiberglass, carbon fiber and G10-FR4. Peeling of the diamond coating can prevent coating flaking from being a serious problem for diamond coated tools and a common problem (especially when machining materials such as carbon fiber), which can lead to unpredictable tool life. In the late 1990s, interface chemistry was identified as an important factor affecting the adhesion of diamond coatings. By selecting compatible carbide chemistry, proper pretreatment techniques, and reasonable deposition conditions, it is possible to reduce or eliminate spalling of the diamond coating and achieve a stable wear pattern. Observing a normally worn diamond coated tool under a microscope, it was found that the diamond was stably worn up to the cemented carbide substrate without chipping or peeling.

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