Tungsten Carbide Cutting Tools Breakage

Tungsten carbide cutting tools breakage compered to tungsten carbide cutting tools wear is unnormal wear. Tungsten carbide cutting tools under certain conditions, if the stress (cutting force or thermal stress) is too much, damage may occur suddenly, it is tungsten carbide cutting tools breakage.

There are two typies of tungsten carbide cutting tools breakage: brittle plastic breakage and damage categories. Brittle damage includes crack, fragmentation, shedding and so on. Under normal circumstances, crack is caused by the too large feed amount or the cutting resistance .Thus, changing the feed rate or tool geometry can cope with it. If the tungsten carbide cutting tools material is too hard or temperature changes that tungsten carbide cutting tools can not afford, fragmentation appears. At this point you can choose more suitable tungsten carbide cutting tools material to deal with or start from the temperature control aspect. Shedding refers to the collapse of breakage under high temperature and pressure conditions, the surface of the cutting edge or tool or uplift phenomena such as chipping and so on.

Tungsten carbide cutting tools breakage is not an isolated form, usually of several forms of synthesis. Currently available from refining and grain, increase the coating, adding metals and heat treatment and surface heat treatment and other aspects to improve the durability of tungsten carbide cutting tools.




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