In addition to highly specialised geometries, bone milling cutters are characterised by special groove shapes for chip removal. The material density of bone milling cutters is often lower than that of metalworking tools. Bone milling cutters usually have many cutting edges around the circumference, resulting in very narrow flutes. The parameters to be measured are the profile of the cutting edge and the surface shape of the flute and flank face. Due to the tolerances of approx. 10 µm to 20 µm, the requirements for measurement uncertainty are high. The measuring time plays a subordinate role. In addition to the measurement of geometrical characteristics, the digitisation of the entire tool surface is often desired.
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