FIELD: process engineering.
SUBSTANCE: invention relates to woodworking industry. Proposed tool has cutting edge and alternating layers of hard and soft materials. Said layers are arranged separately. Hardness ratio of layers makes HB1/HB2=4.5÷5.3, where HB1 is hard layer hardness while HB2 is soft layer hardness.
EFFECT: higher durability of tool and woodworking.
2 dwg, 1 tbl
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