Tungsten Carbide Ball Nose Cutter

Tungsten carbide ball nose cutter is also called ball end mill as the end of its cutters are hemispherical, which could offer a radius to the inside corners of pocket cuts. It is a decent choice for machining 3D contoured shapes in machining centers, for instance, in moulds and dies. In 3D projects, it could help blend each path together, resulting in less finish work. When used to add a radius between perpendicular faces to reduce stress concentrations, it also function well.



There is also a term bull nose cutter, which refers to a cutter having a corner radius that is fairly large, although less than the spherical radius (half the cutter diameter) of a ball mill; for example, a 20-mm diameter cutter with a 2-mm radius corner. This usage is analogous to the term bull nose center referring to lathe centers with truncated cones; in both cases, the silhouette is essentially a rectangle with its corners truncated.


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