Synthesis of a deforming-cutting mill design

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The article is devoted to the synthesis of a new threading tool used to form internal threads in products made of aluminum alloys. As a rule, when machining internal threads in complex parts, the manufacture of which is carried out at milling machining centers, thread mills are used. This is due to low reliability of threading operations where classic marking tools are used, which are unacceptable for parts that have high cost at this time. In addition, when processing products made of aluminum alloys, there are features related to the presence of porosity in the material and ‘tears’ on the treated surface, the nature of which is associated with the cutting process. This degrades such an operational parameter of threaded joints as tightness. To solve these problems, the design of a new tool, a deforming-cutting mill, was proposed on basis of morphological analysis and synthesis, and the combined machining principle was taken as a basis for its creation.