FIELD: process engineering.
SUBSTANCE: invention relates to saw blade meant for cutting of hollow and/or moulded metal structural sections. Claimed saw blade is composed of the saw strip and includes the substrate with multiple teeth with cutting edges. The teeth are composed by the substrate ledges with inserts fitted thereat and made of material harder than that of the substrate and ledges. A portion of teeth is arranged in the group reiterating along the substrate and composed of at least three unset teeth with chamfers. Said group comprises the first tooth with two chamfers extending in symmetry with the medium lengthwise plane while second tooth has two chamfers extending in asymmetry with said plane and third tooth with two chamfers extends in asymmetry with said plane.
EFFECT: higher efficiency, longer life.
12 cl, 4 dwg
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