FIELD: technological processes of cutting metals.
SUBSTANCE: technological processes, namely cutting metals from nickel alloys by turning on CNC machines. Replaceable insert made of tool ceramics for turning shaped parts from nickel alloys is made with a curved cutting edge and a microrelief formed on its front surface. The microrelief is formed in form of a group of micro-pits with a radius of 20-40 mcm and a depth of 20-40 mcm, which ensures the placement and retention in them of a suspension based on molybdenum disulphide or greases during turning.
EFFECT: productivity of turning with a ceramic cutting insert with a curved edge is increased due to effective chip breaking.
1 cl, 4 dwg, 1 tbl
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