Abstract
As a result of the conducted researches it is established that with a progressive cutting scheme, the dangerous tensile stresses in the cutting carbide plates are significantly reduced. It was found that when using a worm cutter with a progressive cutting circuit, the dangerous tension of the tensile stresses on the front surface of the carbide plates is greatly reduced. Analysis of the obtained main stresses in the cutting wedge showed that the cutting edge experiences tensile stresses on the front surface, and compression on the front surface. It is established that the cutting element of the milling cutter undergoes an alternating asymmetrical nature of loading, accumulating cyclic fatigue in the main cutting edge.
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