Tungsten Carbide Milling Tool

When the edge of tungsten carbide milling tool cuts into the workpiece, sudden impact will cause the vibration of the tool. The generation of cutting force primarily depends on the thickness of the chip, the thickness and the feed become into a certain proportion. The tool vibration initially induced will change subsequent chip thickness, and then when the cutting force changes, in turn, it causes the vibration of the processing system intensifying, the thickness may also continue to increase. The direction and change of the cutting forces largely determine the vibration trend. Such regenerative vibration is also called tremor, if not suppressed, and the variation of the cutting force will increase, so the surface roughness decreases after cutting, it results in joint cutter, and even causes damage to the tungsten carbide milling tools, furthermore, adversely affects on machine tool spindle.

Therefore, you must inhibit cutting force drastically changing in the beginning of the cutting so as to suppress the vibration trend, which is the main reason of using vibration-controlling tool. However, in many cases, this is achieved by optimizing structural parameters of tungsten carbide milling tool. Establishment of desirable model is one of the main bases for developing new insert geometries. Subsequently, the advanced FEM simulation shows a lot to answer, it relates to unit design of edge line, rake angle and chip breaker as well as development and optimization of new features of the cutting edge on the tungsten carbide milling tool rake face . This is largely based on a vibration waveform which is calculated by the measured modal parameters.


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