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This article deals with the subject of using iron and titanium carbide (Fe + TiC) based composite powder for treatment of cutting tools in a magnetic field with the purpose of improving internal thread cutting process. As a result of studies performed by us, it has been established that composite powder grain size influences the condition of the contact surfaces of cutting tool teeth and process efficiency. Also a relationship has been discovered between the changes in internal thread roughness and the condition of thread tap teeth contact surfaces pretreated in a magnetic field by Fe + TiC composite powder having various grain sizes.

Internal thread cutting process improvement based on cutting tools treatment by composite powders in a magnetic field