| 摘要 |
FIELD: metal working, namely cutting metals by means of shears with cutters moving mutually in parallel, possibly cutting shaped sections with channel cross section. SUBSTANCE: cutter set includes cutters with convex and with concave cutting members. Cutter with convex cutting member has dents arranged at both sides of its cutting member; height of said dents consists 1 - 1.5 of thickness value of respective edge of shaped section. Lateral sides of dents are normal relative to sides of convex cutting member turned to them. Spacing between bases of dents exceeds width of shaped section by 4 - 10 mm. EFFECT: enhanced quality of cutting shaped sections. 1 dwg, 1 tbl
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