The problem of hard metal end milling cutter capacity for work increase on basis of tool physical stress strain properties modification by means of the formation of nano-structured multi level coatings on tool working surfaces with the use of filtered cathodevacuumarc deposition is developed. There is devel oped a system and a composition of three-component nano-structured multi-level composition modificating coatings for the deposition on working surfaces of end-milling cutters. The results of laboratory and industrial tests of end milling cutters with the developed coatings for the conditions of roughing and finishing are represented.
end milling cutters, nano dimensional multi level composition coatings, effectiveness increase.
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